nfv orchestration, sdn and policy control; who does...
TRANSCRIPT
Alberto Diez – 2015
Typical signaling day Topics
• SS7 interworking
• Diameter
• Roaming
• VoLTE signaling
• Security / Fraud
Alberto Diez – 2015
NFV signaling is MANO
Virtual Network Functions
OSS/BSS
NFV Orchestrator
VNF Manager
VNF
EM
VNF
EM
Virtualized
Infrastructure
Manager
Network Functions Virtualization Infrastructure
NS
VNF
Inst Res
Management & Orchestration
Infrastructure
Applications
Services
Alberto Diez – 2015
Effects of NFV beyond OPEX and CAPEX
Scaling down
Manageability of larger amount of deployments
ITification of telecommunications
Open Source new standards
Atomization of vendor landscape
Alberto Diez – 2015
Radio Access Network
Network Slicing is the NFV killer application
Core NetworkM
VN
O
Ap
ps
We
b
Vid
eo
IoT…
Radio Access Network
MVNOApps
Web
Video IoT
…Core
Network
Core
Network
Core
Network
Core
Network
Alberto Diez – 2015
Extreme use case: NFV
Virtual Network Functions
OSS/BSS
NFV Orchestrator
VNF ManagerCore
Network
User 1
EM
Virtualized
Infrastructure
Manager
Network Functions Virtualization Infrastructure
Management & Orchestration
Core
Network
User 2
EM
Core
Network
User N
EM
Core
Network
User 3
EM
SGi
S12
S3
S1-
MME PCRF
Gx
S6a
HSS
Operator's IP
Services
Rx
S10
UE
SGSN
LTE-Uu
E-UTRAN
MME
S11
S5Serving
Gateway
PDN
Gateway
S1-U
S4
UTRAN
GERAN
Alberto Diez – 2015
5G contradictions
• Multi access (including new radios)
• Higher reliability
• Lower latency
• Full coverage
• New topologies
• NFV/SDN
Alberto Diez – 2015
Radio Access Network
Network Slicing is the NFV killer application
Core NetworkM
VN
O
Ap
ps
We
b
Vid
eo
IoT…
Radio Access Network
Highly
reliableHigh
speed
Low
Laten
cy
Low
Cost
…Core
Network
Core
Network
Core
Network
Core
Network
Alberto Diez – 2015
How to slice the radio?
• Error correction
• Frequencies
• Power
• Direction
• Modulations
• Number of antennas
SDR and T-SDN
Alberto Diez – 2015
C-RAN
L1
MAC
L1L1
MAC
L1
RLC
PDCP
UDP/IP
GTP-URLC
PDCP
L2
IP
RRC
SCTP
S1AP
eNodeB BBURRU
Alberto Diez – 2015
Core Caching
MEC
Services
Alberto Diez – 2015
IoT
Long battery life
Low device cost
Low deployment cost
Massive number of devices
Full coverage
LTE-M
NB-LTE
Alberto Diez – 2015
5G core network has to simplify
SDN
ControlSubs/Devices
Switch/
Gw
VAS1
VAS2
MANO
Anchor
IP
OF, RESTConf,
NETCONF, ?
NSH
LTE
MME
mm
Wi-Fi
Charging
Security
Policy/QoS
Switch/
Gw
Alberto Diez – 2015
Thank you!
Takeaways
Signaling increase due to MANO and
extremely dynamic control plane
Rethink architecture to improve service &
support all use cases
Upcoming Trends
Simplification of core network
New business models for operators
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