HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Security Level: Internal
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www.huawei.com
Transmission Network Marketing Support Department
Huawei RTN microwave DCN Solutions
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Brief Introduction to DCN Solutions
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Page 4
Have You Ever Encountered the Following Problems When You Communicate DCN Information with Customers?
How does the NMS manage the equipment and how does one perform end-to-end DCN planning?
How does one design a DCN when the radio equipment interconnects with a third-party network?
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Page 5
End-to-End DCN Planning
HWECC, TCP/IP, OSI, extended ECC
DCN TCP/IP, OSI
OSS
NMS primary EMS primary
GNE
NMS secondary EMS secondary
NE
Client
Client
Client
Client
●●● ●●
●DCN TCP/IPDCN TCP/IP DCN TCP/IP
NE ● ● ●
HWECC, TCP/IP, OSI, extended ECC
GNE
NENE ● ● ●
● ● ●GNE GNE
•The major work is to plan IP routes.
•OSS/NMS engineers design the external DCN.
External DCNMature technologies, NMS
department being the owner
RTN department being the owner of the internal DCN
Two scenarios:
•A network comprises only Huawei radio equipment.
•A network comprises Huawei radio equipment and third-party equipment.
Internal DCN
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Page 6
•The inband DCN (using IP protocol) is recommended for the OptiX RTN 900 V100R001, and the HWECC protocol is recommended for other versions.
•When DCCs are unavailable, connect NEs through NM cascading ports to achieve transmission of network management information on extended ECCs.
DCN Planning When Huawei Radio Equipment Forms a Network Independently
60 NEs
60 NEs
NMS
Gateway NE
Gateway NE
Extended ECC
Network cable
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Page 7
DCN Planning When Huawei Radio Equipment Forms a Network with Third-Party Equipment
Learn about the type of the third-party equipmentand the type of Huawei radio equipment.
FE channels
The traversed network can provide pass-through channels.
Analyzethe network.
E1 channelsRS-232 /G.703
19.2/9.6 kbit/s channelsOther channels No channel
NM information is directlytransmitted through FE services.
Use the FE-to-E1 protocol converter.
Use the FE-to-RS232/G703 protocol converter.
Use shared DCN channels orsubmit an OR workflow to apply for
the development of a new protocol converter.Whether do both Huawei
radio equipment andthird-party equipment
support the sameDCN protocol?
Y
Share DCN channels to achieve network management.
No solution is available. Communicate with the
customer for provision of channels.
Give priority to protocol converter solutions of Huawei over DCN protocols (IP protocol or OSI protocol).
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Page 8
Detailed Description of DCN Solutions
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Contents
• DCN Concepts and DCN Specifications• Multi-Scenario DCN Solutions• DCN Cases• FAQs
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Page 10
NMS
Router
LAN switch
RTN
What Is DCN?External DCN
Gateway NE
Internal DCN
DCN stands for data communication network.A DCN provides communication channels for managing NEs in a centralized manner to achieve remote management and maintenanceof NEs.
DCNDCN
A DCN between the NMS and NEs is called an external DCN.Generally, the NMS is connected to NEs through an external DCN that comprisesLAN switches, routers, and other data communication devices.
A DCN between NEs is called aninternal DCN.Internal DCNs are classified into inbandDCNs and outband DCNs.
Non-gateway NE
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Page 11
Physical Transmission Channels and Transmission Protocols of an Internal DCN
Transport layer
Network layer
Media access layer
Physical layer
HWECC L4
HWECC NET
HWECC MAC
DCC/LAN
Transport layerNetwork layer
Link layer
Physical layer
UDPIP/ICMP/ARP
Ethernet
LAN
Application layer SNMP
DCC
PPP
TCP
FTP, TL1, TL1 over TelnetQx, MML, Web LCT
Service channels
Overheads
Payload
Outband DCN
Inband DCN
Outband DCNTransmission of NM information does not occupy service bandwidth because DCC bytes in overheads serve as physical channels of a DCN.Inband DCNTransmission of NM information occupies service channels (Ethernet service channels generally). For example, a VLAN of data services is used to transmit NM information. Service channel: NM interface,TDM service,FE/GE and so on.
Physical transmission channels: inband DCN and outband DCN
ECC protocols: HWECC protocol, IP protocol, and OSI protocol
The HWECC solution applies to a network that comprises only Huawei equipment or scenarios wherein Huawei equipment need not communicate OAM information with other-vendor equipment.
The IP solution achieves support of the TCP/IP protocol on DCCs (physical layer)/LAN and applies to scenarios wherein Huawei equipment needs to communicate OAM information with other-vendor equipment.
Note: Application layer protocols are private protocols and cannot achieve communication of OAM information between equipment of different vendors, whereas other-layer protocols are standard protocols and can achieve communication of OAM information between equipment of different vendors.
The OSI solution achieves support of the OSI protocol on DCCs (physical layer) /LAN and applies to scenarios wherein Huawei equipment needs to communicate OAM information with other-vendor equipment.
Note: Application layer protocols are private protocols and cannot achieve communication of OAM information between equipment of different vendors, whereas other-layer protocols are standard protocols and can achieve communication of OAM information between equipment of different vendors.
HWECC protocol (private protocol) IP protocol (standard protocol) OSI protocol (standard protocol)
Transport layer
Network layer
Link layer
Physical layer
IS-IS ISO 10589ES-IS ISO 9542CLNP ISO 8473Ethernet
LAN
Application layer
DCC
LAPD Q.921
TP4 ISO 8073
QX/MML/SWDL
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Page 12
DCN Solutions Provided for Huawei RadioDCN Solution
Physical Channel Applicable Scenario RemarksCategory Protocol Stack
Outband
DCN
HWECC
DCC/ETH
(network port)
This solution is applicable to a network wherein equipment supports the HWECC protocol and DCCs are interconnected. This solution is preferred when a network comprises only Huawei equipment.
This solution is applicable to a network that comprises only Huawei equipment.
IP over DCC This solution is preferred when a network comprises the OptiX transmission equipment and the
third-party equipment that supports the IP over DCC function.
The OptiX transmission equipment forms a network with third-
party equipment. On the network, DCCs are shared but DCC
bandwidths are limited. In addition, the number of permitted
NEs is also limited.
OSI over DCC This solution is preferred when a network comprises the OptiX transmission equipment and the
third-party equipment that supports the OSI over DCC function.
The OptiX transmission equipment forms a network with third-
party equipment. On the network, DCCs are shared but DCC
bandwidths are limited. In addition, the number of permitted
NEs is also limited.Extended ECC HWECC Ethernet No service channels are available between two OptiX NEs but the two OptiX NEs can
interconnect with each other through NM ports.
This solution is applicable to a network that comprises
only Huawei equipment. By default, a maximum of three
NEs can be managed.
Inband DCN
HWECC
Service channels
A very small part of service bandwidth is occupied. This
solution is applicable to a network that comprises only
Huawei equipment.IP protocol This solution is applicable to a network that comprises the OptiX RTN 900 equipment and
other equipment.
A very small part of service bandwidth is occupied, but
networking is flexible.DCC
transparent transmission
NA DCCs This solution is applicable to a network that comprises the OptiX transmission network
and the third-party SDH equipment that does not support the IP over DCC function or OSI
over DCC function.
In actual situations, SDH radio is seldom used. In addition,
the equipment must support the configuration of D byte.
Therefore, this solution is seldom adopted.DCC transparent
transmission through the external clock interface
Not involved External Clock Interface
This solution is applicable to a network that does not support transparent transmission
of DCC bytes carrying NM messages.
huawei MW assing through third-party equipment , and
transmited by E1
Protocol converter solution Not involved Auxiliary services or service channels
Huawei radio equipment transmits NM information to a third-party NM port by using a protocol converter according to the type of the third-party NM port. Thus, NM information is transparently transmitted.
Due to the characteristics of radio services, Huawei radio equipment is widely used with third-party equipment to form networks. Protocol converters, however, need to be provided (quoted and configured in advance).
•The preceding solutions are provided based on the combination of a DCN protocol (IP protocol, OSI protocol, and HWECC protocol) and transmission channels (DCCs, service channels and in_band DCC).
•In the case of a network comprising only Huawei equipment, the HWECC solution is preferred. In the case of a network comprising Huawei equipment and third-party equipment, the protocol converter solution is preferred and prepare quotations for protocol converters in advance.
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Page 13
DCN Solutions Supported by Each Major Version of Huawei Radio
DCN SolutionPhysical Channel RTN 605 R003 RTN 605 R005 RTN 620 R003 RTN 620 R005 RTN 900 R001 RTN 900 R002
Category Protocol Stack
Outband
DCN
HWECC
DCC/ETH (network port)
Y Y Y Y N Y
IP over DCC
Y Y Y Y N Y
OSI over DCC
N N Y Y N Y
DCC transparent
transmissionDCCs N N Y Y N Y
Extended ECCHWECC Ethernet
Y Y Y Y N Y
Inband DCN
HWECC
Service channelsN N N N N Y
IP protocolN N N N Y Y
DCC transparent transmission through
the external clock interface
Not involved Wayside E1
N N Y Y N Y
Protocol converter solution
Not involved Auxiliary services or service channels
Y Y Y Y Y Y
•For information on whether a board supports a specific solution, see the DCN White Paper or Feature Description.
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Page 14
Protocol Converter IntroductionA protocol converter performs mutual conversion between signal protocols.Application scenario: DCN information needs to be transmitted between two NEs but the two NEs
provide different protocol ports. The protocol converter solution is preferred when Huawei equipment forms a network with third-party equipment.
Protocol Converte
r
FE-to-RS232 converter (RS232_Converter) Type A:
E1_ConverterType B:
E1_C_Converter
FE-to-G703 converter (G703_Converter)Type C:
E1_MUX_Converter
FE-to-E1 protocol converter
Mutual conversion between 1xFE and 1xRS232
Mutual conversion between 1xFE and 1xE1 Mutual conversion between
1xFE+1xE1 and 1xE1
Mutual conversion between 1xFE and 1xQ703
Mutual conversion between 1xFE and multiple E1s
Note:1. E1_Converter can not interconnect
with E1_C_Converter2. E1_MUX_Converter with different
BOM can not interconnect
RS232RS232FEFEE1E1FEFE E1E1 FEFE
FEFE
G703G703FEFE
E1E1
E1E1
E1E1
…………
FEFE
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Protocol Converter Application ScenariosRS232_Converter
G703_Converter
E1_Converter
E1_C_Converter
E1_MUX_Converter
RS232 ChannelRS232 Channel
G703 ChannelG703 Channel
E1ChannelE1Channel
Maximal 8 E1Maximal 8 E1
E1 ChannelE1 Channel E1 ChannelE1 Channel
E1 ChannelE1 ChannelE1 ChannelE1 Channel
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Page 16
DCN Specifications
DCN Channel RS232
(9.6 kbit/s)
RS232
(19.2 kbit/s)
64 kbit/s E1
Maximum Number of non-gateway NEs
3 to 5 5 to 10 30 to 50 500 to 1000
Can a gateway NE be connected to as
many non-gateway NEs as possible?
How many non-gateway NEs can a gateway NE manage?
Capability of a gateway NE
A gateway NE can manage a maximum of 60 non-gateway NEs. If NEs is more than 60, more gateway NE is required
Bandwidth limitIn the case of different DCN channel bandwidths, the maximum number of non-gateway NEs that a gateway NE can manage is as follows:
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DCN Specifications
A: management capability coefficient of an NM server
NM Server Management Capability Coefficient
Sun SPARC Enterprise M4000 (4 CPUs)
15
Sun SPARC Enterprise M4000 (2 CPUs)
6
Sun SPARC Enterprise T5220 (8Core)
1
Sun SPARC Enterprise T5220 (4Core)
1.5
Sun Fire E4900 6
B: equivalent coefficient of the radio equipment
NE Equivalent Coefficient
OptiX RTN 605 0.5
OptiX RTN 620 1
OptiX RTN 910 0.5
OptiX RTN 950 1
How is the DCN management capability?
Management capability of an NMS
The management capability of an NMS refers to the maximum number of NEs that the NMS can manage when the preset performance specifications are met.Maximum number of NEs that can be managed = 1000 x A/B
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Contents
• DCN Concepts and DCN Specifications
• Multi-Scenario DCN Solutions
• DCN Cases
• FAQs
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Page 19
DCN Networking Scenarios
1
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Complex DCN Networking Scenarios
RTN 620
RTN 950 RTN 950
RTN 605
RTN 910
Third-party NMS
RTN 950
Chain
Star
Ring Supplementary optical network
Point-to-point
BSC/RNC/aGW
E1/STM-1
FE/GE
RTN
OSN/PTN
The 3rd party
RTN 605
NMS
A network may comprise many types of equipment such as OptiX RTN 605/620/910/950, OptiX OSN/PTN equipment,
and third-party equipment.
NM information about Huawei equipment passes through a third-party network or NM information about third-party equipment
A network may involve multiple networking topologies such as point-to-point, chain, star, ring, and supplementary network to an optical network.
passes through a Huawei RTN network.
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Page 21
Complex DCN Networking Scenarios
RTN 620
RTN 950 RTN 950
RTN 605
RTN 910
RTN 950
Chain
Star
Ring Supplementary optical network
Point-to-point
BSC/RNC/aGW
E1/STM-1
FE/GE
RTN
OSN/PTN
The 3rd party
RTN 605
What should we do in such complex DCN networking scenarios?
Third-party NMS
NMS
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Page 22
DCN Solutions
Multiple
types of
equipment
Multiple
topologiesComplex DCN scenarios
Forming a network
with third-party
equipment
Multiple
versions
Solutions to a network comprising only Huawei equipment
Multiple topologiesPoint-to-point, chain, star, ring, …
Multiple types of equipmentRTN, OSN, PTN
Multiple versionsOptiX RTN 600 V100R002/R003/R005, OptiX RTN 900 V100R001/R002, ...
Solutions to a network comprising Huawei radio equipment and third-party radio equipment
Does an OptiX RTN network pass through a third-party network or a third-party network pass through an OptiX RTN network?
Is the point-to-point topology, chain topology, star topology, or ring topology adopted?
• Any network is formed by point-to-point applications.• Two basic application scenarios are as follows: a network comprising only Huawei radio equipment, and a network comprising Huawei radio equipment and third-party radio equipment.
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Page 23
Solutions to a Network Comprising Only Huawei Equipment
2
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BSC/RNC/aGW
NMS
OSN/PTN
OSN/PTN
Optical+radio ring
RTN
N+0/N+1
Quick Reference
DCN solution:
• In most scenarios, the HWECC protocol stack is preferred when a network comprises only Huawei radio equipment.
HWECC protocol stack
E1/STM-1
FE/GEMultiple types of equipment:
RTN 600 V1R2/R3/R5,
RTN 900 V1R1/R2…
Multiple versions:
RTN, OSN, PTN
Point-to-point, chain, star, ring, …
Ne
two
rk com
prisin
g o
nly
Hu
aw
ei ra
dio
eq
uip
me
nt
Multiple topologies:
HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Slide title :32-35pt Color: R153 G0 B0
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Slide text :20-22ptBullets level 2-5:
18pt Color:Black
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Top right corner for field-mark, customer or partner logotypes.
----------------
The following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”.
Page 25
BSC/RNC/aGW
NMS
OSN/PTN
OSN/PTN
Optical+radioring
RTN
N+0/N+1
Quick Reference
DCN solution:
• Adopt the inband DCN solution ( using IP protocol ) for an OptiX RTN 900 network that comprises the OptiX RTN 900 V100R001.
Inband DCN
Multiple types of equipment:
RTN 600 V1R2/R3/R5,
RTN 900 V1R1/R2…
Multiple versions:
RTN, OSN, PTN
Point-to-point, chain, star, ring, …
Ne
two
rk com
prisin
g o
nly
Hu
aw
ei ra
dio
eq
uip
me
nt
Multiple topologies:
E1/STM-1
FE/GE
HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Slide title :32-35pt Color: R153 G0 B0
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Slide text :20-22ptBullets level 2-5:
18pt Color:Black
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Top right corner for field-mark, customer or partner logotypes.
----------------
The following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”.
Page 26
BSC/RNC/aGW
NMS
OSN/PTN
E1/STM-1
OSN/PTN
Optical+radio ring
RTN
N+0/N+1
FE/GE
Quick Reference
DCN solution:
• Adopt the transparent transmission solution for an OptiX RTN 600/900 network that comprises the OptiX RTN 900 V100R001.
Transparent transmission solution
Multiple types of equipment:
RTN 600 V1R2/R3/R5,
RTN 900 V1R1/R2…
Multiple versions:
RTN, OSN, PTN
Point-to-point, chain, star, ring, …
Ne
two
rk com
prisin
g o
nly
Hu
aw
ei ra
dio
eq
uip
me
nt
Multiple topologies:
HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Slide title :32-35pt Color: R153 G0 B0
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Slide text :20-22ptBullets level 2-5:
18pt Color:Black
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Top right corner for field-mark, customer or partner logotypes.
----------------
The following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”.
Page 27
BSC/RNC/aGW
NMS
OSN/PTN
E1/STM-1
OSN/PTN
Optical+radio ring
RTN
N+0/N+1
FE/GE
Quick Reference
DCN solution:
• When no service interfaces are available between two NEs, use extended ECCs to form an internal DCN.
Extended ECC
Network cable
Multiple types of equipment:
RTN 600 V1R2/R3/R5,
RTN 900 V1R1/R2…
Multiple versions:
RTN, OSN, PTN
Point-to-point, chain, star, ring, …
Ne
two
rk com
prisin
g o
nly
Hu
aw
ei ra
dio
eq
uip
me
nt
Multiple topologies:
HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Slide title :32-35pt Color: R153 G0 B0
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Slide text :20-22ptBullets level 2-5:
18pt Color:Black
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Top right corner for field-mark, customer or partner logotypes.
----------------
The following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”.
Page 28
Solutions to a Network Comprising Huawei Radio Equipment and Third-Party Radio Equipment
3 •DCN Information of a Huawei RTN Network Passing Through a Third-Party Network
•DCN Information of a Third-Party Network Passing Through a Huawei RTN Network
•DCN Solutions to Typical Scenarios
HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Slide title :32-35pt Color: R153 G0 B0
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Slide text :20-22ptBullets level 2-5:
18pt Color:Black
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Top right corner for field-mark, customer or partner logotypes.
----------------
The following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”.
Page 29
HW NMC
Analysis of the DCN Solutions to the Scenario Wherein DCN Information of a Huawei RTN Network Passes Through a Third-Party Network
Third-party network
RTN RTN
RTN Protocol converter
Router
How to connect HW NMS to third-party equipment and how to connect the third-party network to Huawei RTN network?
The DCN solutions are determined by the type of transmission channels that the third-party network adopts and the DCN solutions that the third-party network supports.
Passing through Passing through Huawei radio equipmentHuawei radio equipment
Passing through Passing through Huawei radio equipmentHuawei radio equipment
Passing throughPassing throughthird-party equipmentthird-party equipment
Passing throughPassing throughthird-party equipmentthird-party equipment
DCN solutions to DCN solutions to typical scenariostypical scenarios
DCN solutions to DCN solutions to typical scenariostypical scenarios
HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Slide title :32-35pt Color: R153 G0 B0
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Slide text :20-22ptBullets level 2-5:
18pt Color:Black
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Top right corner for field-mark, customer or partner logotypes.
----------------
The following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”.
Page 30
HW NMC
DCN Solutions to the Scenario Wherein DCN Information of a Huawei RTN Network Passes Through a Third-Party Network
Third-party network
RTN RTN
RTN Protocol converter
Router
The corresponding protocol converter is required.
No extra device is required but static routes need to be configured.
1 2 3
E1 service channel, G.703-compliant synchronous port, or RS-232
asynchronous port
IP over DCC or OSI over DCC
Inband DCN or FE transparent transmission
One FE port is occupied and no extra device is required.
Passing through Passing through Huawei radio equipmentHuawei radio equipment
Passing through Passing through Huawei radio equipmentHuawei radio equipment
Passing through Passing through third-party equipmentthird-party equipment
Passing through Passing through third-party equipmentthird-party equipment
DCN solutions to DCN solutions to typical scenariostypical scenarios
DCN solutions to DCN solutions to typical scenariostypical scenarios
HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Slide title :32-35pt Color: R153 G0 B0
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Slide text :20-22ptBullets level 2-5:
18pt Color:Black
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Top right corner for field-mark, customer or partner logotypes.
----------------
The following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”.
Page 31
SolutionTransparent Transmission Channel Provided by Third-Party Equipment
Auxiliary DCN Device Remarks Category Serial No.
Protocol converter
1
E1 service channels
E1_ConverterThe service bandwidth of 2 Mbit/s (one E1) is required and therefore third-party equipment needs to provide one E1 port.
2 E1_MUX_ConverterA minimum service bandwidth of 64 kbit/s is required and therefore third-party equipment needs to provide one E1 port.
3 E1_C_ConverterThis converter is applicable to point-to-multipoint scenarios and requires FE pass-through.
4 G.703-compliant port G703_ConveterThird-party equipment needs to provide one G.703-compliant 64 kbit/s codirectional data port.
5 RS-232 data port RS232_Converter Third-party equipment needs to provide one RS-232 data port.
Sharing DCN channels
6DCN channels by using the IP over DCC
protocolNone
The entire third-party network must adopt the IP over DCC protocol. In addition, routes need to be configured manually (this work is complicated) and data bandwidth needs to be calculated in advance.
7DCN channels by using the OSI over
DCC protocolNone
The entire third-party network must adopt the OSI over DCC protocol. In addition, routes need to be configured manually (this work is complicated) and data bandwidth needs to be calculated in advance.
Ethernet pass-through 8 FE service channelsRouter (required when NM information passes through an IP network)
Routers are used for data transfer between network segments.
DCC transparent transmission through the external clock
interface9 E1/STM-1 service channels None
The E1 provided by the external clock interface carries DCN information (the OptiX RTN 605 does not support this DCN solution) and one E1 of third-party network is occupied.
Summary of the DCN Solutions to the Scenario Wherein DCN Information of a Huawei RTN Network Passes Through a Third-Party Network
Passing through Passing through Huawei radio equipmentHuawei radio equipment
Passing through Passing through Huawei radio equipmentHuawei radio equipment
Passing through Passing through third-party equipmentthird-party equipment
Passing through Passing through third-party equipmentthird-party equipment
DCN solutions to DCN solutions to typical scenariostypical scenarios
DCN solutions to DCN solutions to typical scenariostypical scenarios
HW NMC Third-party network
RTN RTN
RTN
Protocol converter
Router
HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Slide title :32-35pt Color: R153 G0 B0
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Slide text :20-22ptBullets level 2-5:
18pt Color:Black
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Top right corner for field-mark, customer or partner logotypes.
----------------
The following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”.
Page 32
Third-party NMC
Analysis of the DCN Solutions to the Scenario Wherein DCN Information of a Third-Party Network Passes Through a Huawei RTN Network
Third-party network
RTN RTN
How to connect the third-party NMS to Huawei radio equipment and how to connect Huawei RTN network to the third-party network?
•Huawei radio equipment supports multiple DCN solutions, and therefore can transparently transmit information about third-party network easily.•Multiple DCN solutions are available, similar to the scenario wherein Huawei RTN network passes through third-party network.
Passing through Passing through Huawei radio equipmentHuawei radio equipment
Passing through Passing through Huawei radio equipmentHuawei radio equipment
Passing through Passing through third-party equipmentthird-party equipment
Passing through Passing through third-party equipmentthird-party equipment
DCN solutions to DCN solutions to typical scenariostypical scenarios
DCN solutions to DCN solutions to typical scenariostypical scenarios
Huawei radio
HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Slide title :32-35pt Color: R153 G0 B0
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Slide text :20-22ptBullets level 2-5:
18pt Color:Black
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Top right corner for field-mark, customer or partner logotypes.
----------------
The following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”.
Page 33
SolutionTransparent Transmission Channel
Provided by Huawei EquipmentAuxiliary DCN Device
Remarks Category Serial No.
Protocol converter
1
E1 service channels
E1_ConverterThe service bandwidth of 2 Mbit/s (one E1) is required and therefore Huawei radio equipment needs to provide one E1 port.
2 E1_MUX_ConverterA minimum service bandwidth of 64 kbit/s is required and therefore Huawei radio equipment needs to provide one E1 port.
3 E1_C_ConverterThis converter is applicable to point-to-multipoint scenarios and is generally used with the preceding two protocol converters.
4 G.703-compliant port G703_ConverterHuawei radio equipment needs to provide one G.703-compliant 64 kbit/s codirectional data port.
5 RS-232 data port RS232_Converter Huawei radio equipment needs to provide one RS-232 19.2 kbit/s data port.
Sharing DCN channels
6 IP over DCC NoneHuawei equipment and third-party equipment need to support the IP protocol and interconnect with each other through management ports. In addition, routes need to be configured manually.
7 OSI over DCC NoneHuawei equipment and third-party equipment need to support the OSI protocol and interconnect with each other through management ports. In addition, routes need to be configured manually.
Ethernet pass-through 8 FE service channels Router (optional)Huawei equipment needs to provide one FE port. In addition, radio service channels of Huawei equipment are occupied and the channel bandwidth is determined by the DCN information of third-party equipment.
Third-party NMC
Third-party network
RTN RTN
Huawei radio
Summary of the DCN Solutions to the Scenario Wherein DCN Information of a Third-Party Network Passes Through a Huawei RTN Network
Passing through Passing through Huawei radio equipmentHuawei radio equipment
Passing through Passing through Huawei radio equipmentHuawei radio equipment
Passing through Passing through third-party equipmentthird-party equipment
Passing through Passing through third-party equipmentthird-party equipment
DCN solutions to DCN solutions to typical scenariostypical scenarios
DCN solutions to DCN solutions to typical scenariostypical scenarios
HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Slide title :32-35pt Color: R153 G0 B0
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Slide text :20-22ptBullets level 2-5:
18pt Color:Black
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Top right corner for field-mark, customer or partner logotypes.
----------------
The following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”.
Page 34
Scenario 1: Point to Point (Independent Channels)
E1/64K/RS232 etc
ETH
LAN switch
E1/64k/RS232 etc.
E1/64k/RS232 etc.
E1/64k/RS232 etc.
E1/64k/RS232 etc.
E1_Converter
E1_Converter
E1_Converter
E1_ConverterNM center
Description of the scenario:The protocol converter performs protocol conversion and point-to-point transmission.In this scenario, protocol converters are used in pairs. That is, the number of protocol converters that are used in the NM center is equal to the number of protocol converters that are used at the remote pass-through point.
Advantages and disadvantages of the solution:The advantage of this solution is simplicity. The disadvantage is that, in the case of multiple pass-through points, the number of protocol converters in the NM center is large and many transmission channels are occupied. Therefore, this solution is applicable to the scenario wherein only a few pass-through points exist.
NMS
Passing through Passing through Huawei radio equipmentHuawei radio equipment
Passing through Passing through Huawei radio equipmentHuawei radio equipment
Passing through Passing through third-party equipmentthird-party equipment
Passing through Passing through third-party equipmentthird-party equipment
DCN solutions to DCN solutions to typical scenariostypical scenarios
DCN solutions to DCN solutions to typical scenariostypical scenarios
HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Slide title :32-35pt Color: R153 G0 B0
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Slide text :20-22ptBullets level 2-5:
18pt Color:Black
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Top right corner for field-mark, customer or partner logotypes.
----------------
The following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”.
Page 35
Scenario 2: Point to Multipoint (Independent Channels)
Description of the scenario:When multiple pass-through points exist, adopt the C-Converter that supports multiple inputs to reduce the number of converters in the NM center.
Advantages and disadvantages of the solution:One E1_C_Converter is used with multiple E1_Converters. Multiple E1 channels, however, are occupied. Therefore, this solution is applicable to a network wherein E1 channels are sufficient.
ETH
E1/64K/RS232 etc
LAN switch
E1 network
E1 network
E1/64k/RS232
E1/64k/RS232
E1_C_Converter
E1_MUX_Converter
E1_MUX_Converter
E1_ConverterNM center
E1_Converter
NMS
Passing through Passing through Huawei radio equipmentHuawei radio equipment
Passing through Passing through Huawei radio equipmentHuawei radio equipment
Passing through Passing through third-party equipmentthird-party equipment
Passing through Passing through third-party equipmentthird-party equipment
DCN solutions to DCN solutions to typical scenariostypical scenarios
DCN solutions to DCN solutions to typical scenariostypical scenarios
HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Slide title :32-35pt Color: R153 G0 B0
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Slide text :20-22ptBullets level 2-5:
18pt Color:Black
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Top right corner for field-mark, customer or partner logotypes.
----------------
The following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”.
Page 36
Scenario 3: Cascading Converters (Shared Channels)
Description of the scenario:In practice, as E1 bandwidths are valuable, multiple protocol converters may share one E1; that is, each converter occupies one or several 64 kbit/s timeslots of the E1. As a result, the converters are cascaded.
Advantages and disadvantages of the solution:DCN communication on the entire chain is implemented over one E1, and the E1_MUX_Converters consume fewer E1 bandwidths. This solution is applicable to a complex network. Note: Currently, only the E1 protocol converter supports the cascading.
ETH NM signal
E1 (nx64 kbit/s) NM signal
E1 networkE1 network
E1 networkE1 network
E1 networkE1 network
LAN switch
E1_C_Converter
E1_MUX_Converter E1_MUX_Converter
E1_MUX_Converter
NM center
NMS
Passing through Passing through Huawei radio equipmentHuawei radio equipment
Passing through Passing through Huawei radio equipmentHuawei radio equipment
Passing through Passing through third-party equipmentthird-party equipment
Passing through Passing through third-party equipmentthird-party equipment
DCN solutions to DCN solutions to typical scenariostypical scenarios
DCN solutions to DCN solutions to typical scenariostypical scenarios
HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Slide title :32-35pt Color: R153 G0 B0
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Slide text :20-22ptBullets level 2-5:
18pt Color:Black
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Top right corner for field-mark, customer or partner logotypes.
----------------
The following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”.
Page 37
Scenario 4: E1 Convergence (Shared Channels)
Description of the scenario:
In actual operations, multiple E1 channels may be converged into one E1 channel. Specifically, the 64 kbit/s timeslots in use in the E1 channels are converged into one E1 channel. Similar to the NM center, the convergence point converges multiple directions into one direction. In this case, an E1_C_Converter is required.
ETH NMS signal
E1 (nx64 kbit/s) NMS signal
E1 networkE1 network
E1 networkE1 networkLAN switch
E1_C_Converter
E1_MUX_Converter
E1_MUX_Converter
NM center
E1 networkE1 network
E1_MUX_Converter
E1_C-Converter
E1 networkE1 network E1_MUX_Converter
E1 (nx64 kbit/s)
E1
E1 (nx64 kbit/s)
E1 (nx64 kbit/s)E1 (nx64
kbit/s)
NMS
Passing through Passing through Huawei radio equipmentHuawei radio equipment
Passing through Passing through Huawei radio equipmentHuawei radio equipment
Passing through Passing through third-party equipmentthird-party equipment
Passing through Passing through third-party equipmentthird-party equipment
DCN solutions to DCN solutions to typical scenariostypical scenarios
DCN solutions to DCN solutions to typical scenariostypical scenarios
HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Slide title :32-35pt Color: R153 G0 B0
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Slide text :20-22ptBullets level 2-5:
18pt Color:Black
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Top right corner for field-mark, customer or partner logotypes.
----------------
The following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”.
Page 38
Scenario 5: Passing Through a Live IP Network
Description of the scenario:An IP network is available between an OptiX RTN NE and the NM center. In this case, no protocol conversion is required. In addition, the live IP network and the OptiX RTN NE are located in different network segments in most cases. Therefore, it is recommended that you configure one router at each pass-through point and in the NM center for data transfer between the network segments.
IP networkIP network
IP networkIP network
LAN switch
Router
Router
Router
NM centerNMS
Passing through Passing through Huawei radio equipmentHuawei radio equipment
Passing through Passing through Huawei radio equipmentHuawei radio equipment
Passing through Passing through third-party equipmentthird-party equipment
Passing through Passing through third-party equipmentthird-party equipment
DCN solutions to DCN solutions to typical scenariostypical scenarios
DCN solutions to DCN solutions to typical scenariostypical scenarios
Content Page Title
35-40pt
Color: R153 G0 B0
Corporate Font:
FrutigerNext LT Medium
Font to be used by customers and partners:
Arial
Content Page Text :
28-30pt
Bullets level 2-5
20-30pt
Color:Black
Corporate Font:
FrutigerNext LT Medium
Font to be used by customers and partners:
Arial
Contents
• DCN Concepts and DCN Specifications
• Multi-Scenario DCN Solutions
• DCN Cases
• FAQs
HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Slide title :32-35pt Color: R153 G0 B0
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Slide text :20-22ptBullets level 2-5:
18pt Color:Black
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Top right corner for field-mark, customer or partner logotypes.
----------------
The following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”.
Page 40
Case 1: Sharing E1 ChannelsDescription of the scenario:
See the following figure. There are eight pass-through points and one E1 convergence point. The pass-through points form a tree
topology and each pass-through point needs to transmit NM information to the NM center. The chains on which NM information is
transmitted share one E1. On the chains, each interconnected point occupies one to several 64 kbit/s timeslots in the E1.
ETH
E1
E1
E1_MUX_Converter
E1_C-Converter
E1 network
E1 network
E1 networkE1 network
E1 networ
k
E1 networ
k
E1 networ
k
E1 networ
kLAN switch
E1_MUX_Converter
E1_MUX_Converter
NM center
Access point
E1
E1 convergence point
DCN solution:
Configure one converter for each pass-through point, one C-Converter for the E1 convergence point, and one C-Converter and one LAN
switch for the NM center.
NMS
E1
E1E1 network
E1 network
E1 networkE1 network
E1-MUX_converter
E1_MUX_converter
E1
E1_MUX_converter
otherother
E1_C_converter
E1
E1_MUX_converter
E1 network
E1 network
E1_MUX_converter
E1汇聚点
E1_MUX_converter
HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Slide title :32-35pt Color: R153 G0 B0
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Slide text :20-22ptBullets level 2-5:
18pt Color:Black
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Top right corner for field-mark, customer or partner logotypes.
----------------
The following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”.
Page 41
Case 2: Large-Scale Network Comprising Only Huawei Radio Equipment
Description of the scenario:In the case of a large-scale network comprising only Huawei radio equipment, divide the network into subnets and set a gatewayNE for each subnet. Group a maximum of 60 adjacent NEs into one subnet. See the following figure. The network is divided intofive subnets.Note: If the HWECC protocol is adopted, one gateway NE can support a maximum of 100 non-gateway NEs.
DCN solution:
Configure one LAN switch and one E1_C-Converter for the NM center, and one E1_Converter for each subnet.
ETH
E1
60 NEs
60 NEs
50 NEs
LAN switch
NM center
60 NEs
60 NEs
E1 networ
k
E1 networ
kE1_MUX_Converter
E1_MUX_Converter
E1_MUX_Converter
E1_MUX_Converter
E1_C-Converter
NMS
E1_MUX_Converter
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Color: R153 G0 B0
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FrutigerNext LT Medium
Font to be used by customers and partners:
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Content Page Text :
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Bullets level 2-5
20-30pt
Color:Black
Corporate Font:
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Contents
• DCN Concepts and DCN Specifications
• Multi-Scenario DCN Solutions
• DCN Cases
• FAQs
HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Slide title :32-35pt Color: R153 G0 B0
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Slide text :20-22ptBullets level 2-5:
18pt Color:Black
Corporate Font :FrutigerNext LT Medium
Font to be used by customers and partners :
Arial
Top right corner for field-mark, customer or partner logotypes.
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The following nine groups of colors are an example of how our design colors can be used, please take note that you should only use one design color group per slide. For specific usage details, refer to the “Typesetting Standard”.
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FAQs
Q: How to obtain documents about protocol converters? A: Visit The description of Protocol Converter on website 3ms.
Q:Why hybrid network with a third party recommended protocol converter?A: If possible, you can also use the Ethernet transparent transmission DCN information.but in the existing TDM microwave network, Ethernet ports are scarce, generally no Ethernet interface, in most cases need to use protocol converters for conversion information transmit DCN. If you are using the Ethernet network to allow transmission through the DCN information, will be a very good program.
Q: Where are documents about DCN solutions available, except for this slide? A: Download documents about DCN solutions from website 3MS.
Document Name Link
OptiX RTN 600 NMS Transparent Transmission Solutions via Third Party 3MS
Huawei RTN DCN Mix 3rd Party Solution V1.0 (20090828) 3MS
OptiX RTN DCN documentation – Hardware Interfaces and Solutions V1.0 (20090814)
3MS
Microwave DCN White Paper 1.1 3ms
OptiX RTN Pre-Sales and After-Sales DCN Pass-Through Planning Guide V1.02
3ms
Thank Youwww.huawei.com