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CHT 3G RFI ProposalChapter 5 : Core Network and ServicesChapter 5. : !rchitect"re# Capacit$# F"nctionalit$#Inter%aces o% Core Network &le'entsChapter 5..( Core )ptical Transport ___________________________________________________________________________________

5. architect"re# Capacit$# %"nctionalit$# Inter%aces o% Core Network &le'ents

5..( Core )ptical Transport

5..(. GeneralFor the 3G core transport network, Nortel Networks proposes products from it’s OPTerarange. These products offer the most adanced features aaila!le and are widel" proen inoperation around the world. Nortel#s offer includes the OPTera $% optical la"er &'&(s"stem, the OPTera (etro )*++ &'&( s"stem and the (etro &% solution for the-T/N.

'ith the tremendous demand in the 3G network !andwidth due to the fast growing traffic inwireless data, the !ack!one for 0%T 3G transport network should !e !uilt to handle thesecoming challenge.

'ith the wireless data e1plosion driing up 3G network !andwidth re2uirements andli!eraliation fuelling competition in national and international markets the optical la"er isfast !ecoming a ma4or area of 3G transport network deelopment.

The optical la"er is the latest weapon in the armor" of techni2ues to drie down the cost permanaged !it in transport networks. %oweer, the optimum distri!ution of networkfunctionalit" !etween the optical, &% and serice la"ers depends on the t"pe of demand, thetransmission distances and the network parameters inoled. 0onse2uentl", the minimumcost per managed !it is o!tained with a dierse network architecture, which is tailored to suitthe traffic demands and the network circumstances

5..(.( Introd"ction

Getting such a wide recognition for our position in this tremendousl" growing market is anindication that we are 5 and intend to remain 5 at the forefront of Optical 6nternetworking. Forthe last 7 "ears, we hae also !een the leaders in 8+ G!9s s"stems, with :+; of the world’smarket. &uring Telecom :: in Genea, we hae demonstrated a <+ G!9s s"stem ... taking theworld closer to real and operational T(5*)= and T(58+*7 technologies.

'e would like to take this opportunit" to introduce our portfolio, and demonstrate the !readthof solutions that are aaila!le and which will ena!le new serice !uilding possi!ilities for our-(T customers. Gien the current trends in the marketplace, and their natural situation,-(T operators are prime candidates for an eolution towards the proision of alternatieserices, and therefore will re2uire a ersatile and powerful infrastructure, which Nortel

Networks ows to proide.

The progressie deelopment towards agnostic transmission on the optical la"er > with itsimplications for /T( and 6P networking > has to !e of particular interest to -(T operators

!ecause of their special needs toda" gien the architecture of the 0ore Network. Our carrier5grade data e2uipment > ?ersalar 6P routers and Passport /T( switches as e1amples > arereadil" aaila!le with optical interfaces. Therefore these products, ke" to an -(T corenetwork architecture, can !e directl" interconnected ia an optical la"er @ cloud A that !ringstogether the strength of !andwidth management, fle1i!le route management, and pathdiersit".

This cloud has traditionnall" consisted of &% transmission infrastructureB howeer, the

Commercial in confidence Chapter : 5 Page: 1

Date: October ,28 2000




continuous improement of Nortel’s &'&( portfolio is !ringing a new era of networking

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5..(.3 )PTera H ,** 00 S$ste' Nortel Networks has the pleasure to present the OPTera $% 8=++ portfolio, a uni2ue openoptical platform which allows serice proiders to cost5effectiel" delier suria!le,managed 6P5oer5light serices using open optical interfaces and open &ense 'aelength&iision (ultiple1ing C&'&(D.

The ke" !enefits of the s"stem are E

• *.) or 8+ G!it9s &'&( !ack!one network for scala!le capacit" up to 8.= T!it9s per

fi!re• Protocol and !it5rate fle1i!ilit" C6P, /T(, &%9ONT, etc.D

• ach waelength has optical protection for ma1imum relia!ilit"

• 0oncentration capa!ilit" for lower5speed tri!utaries on to a 8+ G!it9s waelength for

minimum cost per !it

&esigned for competitie adantage, Nortel Networks’ OPTera $% offers new options toserice proiders looking for long5haul solutions that ena!le data serices in the most cost5effectie wa" > all while maintaining the 2ualit" of serice associated with more traditional

!ack!one topologies. The open optical interfaces on Nortel Networks’ OPTera $% proide ma1imum serice fle1i!ilit", and also pla" a ke" role inthe delier" of cost5effectie serices.

" ena!ling the transport of 6P, /T(, &%9ONT and other signal t"pes, serice proiders !enefit from a more efficient !it rate on their network !" ma1imising the potential capacit" of






eer" waelength. 6n this wa", Nortel Networks’ OPTera $% reduces operational comple1it"

and increases transport saings.

Nortel Networks recognises the real world challenges for operators managing &'&(s"stems.The OPTera $% can !e managed !" Nortel Networks’ P6& solution andsupports management of the optical la"er as a natural e1tension of the e1isting managementstructures and operations.

Nortel Networks’ OPTera portfolio will change the wa" serice proiders create their futuredata5centric network. /nd with oer 3 million waelength miles deplo"ed with suria!le&'&(, Nortel Networks solutions are !acked !" real5world e1perience in open opticalglo!al long5haul deplo"ments.

The &'&( solution Nortel Networks’ OPTera portfolio relies on the (ulti5waelength Optical epeater C(ODPlus "stem and a 8=++G amplifier for efficient waelength deplo"ment and control. Nortel

Networks’(O famil" of amplifier products hae !een deplo"ed in more than *+ ma4ornetworks worldwide with a 8+ G!it9s platform proen technolog" serice proiders can rel"on.

OPTera $% features

• Open interfacesE OPTera $%’s open optical interfaces ena!le multiple serices C6P, /T(,

&%9 ONTD and multi5endor traffic to !e carried across the network.

• Open Optical Traffic /ggregationE The OPTera $% platform is uni2uel" a!le to

concentrate lower !it5rate traffic to 8+ G!it9s on each waelength, to a total per fi!re

capacit" of 8.= T!it9s, ma1imising the total traffic and minimising network cost.• 0apacit"E Nortel Networks open optical portfolio, OPTera, will alwa"s !e ahead of the

!andwidth cure. The (OH supports 3* waelengths of 8+ G!it9s each oer a singlefi!erB the OPTera 8=++G amplifier will delier 8=+ waelengths of 8+ G!it9s each for atotal oer a single fi!er of 8.= T!it9s of capacit". Furthermore, the 7E8 0om!iner of the $%allows to fit 7 T(58= channels onto a single 8+ G!it9s channel, ma1imising further the

!andwidth efficienc" of a single fi!er.

• cala!ilit"E OPTera $%, the leading5edge open optic long5haul platform, proides the

scala!ilit" that tomorrow’s data5centric networks demand. The a!ilit" to simpl" turn upwaelengths as needed, without downtime, allows unrestricted growth capa!ilit".

• Fle1i!ilit"E Nortel Networks’ OPTera $% proides a fle1i!le !ase to transport

multi5serice, multi5endor, and multi5data5rate traffic through the optical la"er. OPTera

$% is a glo!al platform with multiple on5ramps optimised for a range of serice needsCeg. open optical interfaces, Giga!it thernet interfaces with integrated $a"er *switching, integrated &%9ONT etc.D

• elia!ilit"E OPTera $% is designed to improe on the network relia!ilit" of e1isting data

infrastructures. %igh 2ualit" of serice will !e proided through protection channels andrapid automatic restoration, ensuring Ialwa"s on’ networks for data5intensieapplications.

• 0ost5effectienessE &epending on the long5haul network topolog" and the serices to !e

supported, Nortel Networks’ open or integrated optics solutions delier the lowest cost per managed !it, waelength or channel. The (OH supports single5fi!er transport with !i5directional waelengths transmission.

• (anagea!ilit"E The OPTera optical la"er is full" managed !" an e1tension of Nortel

Networks’ Preside to delier unified end5to5end seamlessintegration.





CHT 3G RFI ProposalChapter 5 : Core Network and Services

Chapter 5. : !rchitect"re# Capacit$# F"nctionalit$#Inter%aces o% Core Network &le'entsChapter 5..( Core )ptical Transport

___________________________________________________________________________________



Open Interfaces

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5..(.+ )PTera etro 5(** 00 S$ste'

-tiliing a waelength as a ehicle for serice delier", OPTera (etro deliers unsurpassed

fle1i!ilit" and scala!ilit". The a!ilit" to support a wide ariet" of protocols and !it5rates

allows serice proiders to leerage their inestment in the e1isting network, differentiate

serice offerings and creates new reenue opportunities. OPTera (etro harnesses the power of

&ense 'aelength &iision (ultiple1ing C&'&(D to optimie the use of the current fi!er

infrastructure and proide fle1i!le connectiit" oer a point5to5point or suria!le ring5!ased

network. OPTera (etro’s -niersal Optical 6nterface increases serice fle1i!ilit" !"

supporting protocols in natie format through a single interface. Once deplo"ed this interface

deliers a particular serice and can !e altered remotel" without hardware changes should an

upgrade in serice !e re2uired. The scala!ilit" of the OPTera (etro s"stem ena!les the

serice proider to manage growth easil" and control life c"cle costs.

Prod"ct hi=hli=hts

• upport of ONT9&% and non5ONT9&% interfaces

• it5rate and protocol independence

• 3* protected waelengths, =7 unprotected

• Per waelength optional protection switching

• upport up to *.) G!9s per waelength

• Point5to5point and suria!le ring

• 6n5!and, per waelength Optical erice 0hannel

• Point and click G-6 management s"stem

• Open s"stems management platform

2it?rate and protocol independent inter%ace

OPTera (etro’s uni2ue -niersal Optical 6nterface ena!les the network to !e !oth !it5rate and protocol independent. This fle1i!ilit" facilitates rapid, eas" serice proisioning !" supporting

traditional ONT9&% interfaces as well as Giga!it thernet, 0ON, Fi!er 0hannel,

/s"nc Fi!er Optics "stems CFOT9P&%D and others on the same card. The -niersal Optical

6nterface eliminates the uncertaint" associated with forecasting serice needs and ena!les

rapid serice actiation regardless of connection t"pe, making time5to5market and new serice

delier" a competitie adantage.

Commercial in confidence Chapter : 5 Page:





S"rviva4le Rin= !rchitect"re

OPTera (etro’s ring and Optical /ddand &rop (ultiple1er CO/&(D capa!ilities deliers two

distinct competitie adantages for the serice proider. First, OPTera (etro networks

multiple remote sites on a single pair of fi!ers, allowing waelengths to !e added and dropped

at each node on the ring. 'aelengths that do not terminate at a particular node are passiel"

passed through to the ne1t node. The num!er of intershelf connections in the network is

reduced, and less e2uipment is re2uired at each node to terminate and regenerate the signal.

This increases network relia!ilit", simplifies network planning and engineering, and cuts

costs. econd, the ring architecture ensures network suria!ilit" !" protecting serices at the

optical la"er. 'ith OPTera (etro, serice proiders can ena!le standard )+ millisecond

protection switching on a per waelength !asis to proide optical la"er suria!ilit" !"

routing signals around fi!er failures. The serice proider can choose which waelengths need

to !e protected and which should run unprotected. (an" pa"loads, including ONT9 &%,

hae a !uilt5in protocol that facilitates protection. These pa"loads can !e proisioned on two

unprotected connections, allowing the ONT9&% la"er to proide the protection.

0apitaliing on the protection capa!ilities of ONT 9&% simplifies the network and

increases efficienc" !" freeing up OPTera (etro waelengths that would otherwise !e

dedicated to proiding a redundant !ackup. For pa"loads without !uilt5in protection

capa!ilities, such as Giga!it thernet, 0ON and Fi!er 0hannel, the serice proider can

choose to enhance 2ualit" of serice !" ena!ling protection switching on OPTera (etro.

ana=ea4ilit$ to control li%e c$cle costs

To maintain life c"cle costs, OPTera (etro’s per waelength optical serice channels ena!les

single5ended remote maintenance. Functions such as proision5ing or fault sectionaliation

can !e performed from a single node with ring5wide isi!ilit". OPTera (etro’s open s"stems

management architecture ena!les integration with e1isting network management s"stemsthrough the power of N(P.

Scala4ilit$ %or 'ana=ed# pro%ita4le =rowth

ach OPTera (etro shelf supports 7 protected waelengths or < unprotected waelengths.

These sheles com!ine to ena!le 3* protected, or =7 unprotected connections across either a

point5to5point or ring network. ach waelength has a capacit" of )+ (!it9s up to *.) G!9s.

Thus, the OPTera (etro s"stem can grow to support up to <+ G!9s of protected connectiit",

e2uialent to T(58+*7 capacit". 0ustomer re2uests can !e addressed without a new fi!er

!uild, which e1tends the life of the deplo"ed fi!er, reduces comple1it" and cost, and






5..(.5 Packets over )ptical : Introd"cin= the )PTera Packet Sol"tion

%ow will "our -(T 0ore Network eole J 6neita!l", in order to remain competitie,

consolidate its operations, and differentiate its offering, an -(T operator tomorrow will

need to engineer a high integration of its entire infrastructure.

The challenges to meet toda" are E

• (a1imie eturn on 6nestment

• /ccommodate %igh Traffic Growth

• Proide &ifferentiated erice 0apa!ilit"

• Proide usiness Grade erice 0apa!ilit"

• ngineer the Network 6nfrastructure olution

From a transport perspectie, this translates to the following re2uirementsE

• mart Packet9Optical 6nter5working

• cala!ilit" to 8++ Tera!its per node

• Fewer !o1es, lower operations cost

• oth /T( and 6P

• oth Ko and 0o

• "stem C%' L 'D /aila!ilit"

• Open L multi5endor support

Nortel Networks has !rought it all together with the -nified Networks concept, supported !"

the OPTera optical la"er portfolio. The following is a summar" of our iew of the eolution of

the 0ore Network, and how our portfolio will answer the networking re2uirements oftomorrow, toda".






There are ) ke" elements of OPTera Packet olutionE

)PS Co'ponent Role

OPTera 0onnect The smart optical la"er

OPTera Packet 0ore ?er" high capacit" unified core la!el switch router

Passport 8)+++ (ultiserice peripheral

OPTera Network 0ontrol $inks !etween the packet L optical la"er to control the

network

Preside 6ntegrated (anagement ingle platform for cross5la"er integrated management

ach of these components will now !e introduced at a high leel, and su!se2uent sections will

e1pand on the Optical, Packet and 0ontrol capa!ilities in more depth to e1plain the alue of

the OPTera Packet olution more full".

The OPTera Packet olution is comprised of seeral ke" hardware componentsE

)PTera Connect seres as a smart optical switch for the OPTera Packet olution. 6t proides

agile, elastic, optical network connectiit" on an end5to5end !asis, facilitating d"namic

connectiit" and management while permitting fast serice turn5up. OPTera 0onnect is the

ke" !uilding !lock to delier /utomatic witched Optical Networking C/OND. This

intelligence will proide fast, agile waelength connection management and per waelength

protection or restoration, in response to waelength serice and trunking re2uirements,

network congestion, and failures.

)PTera Packet Core is a non5!locking, highl" resilient, core switch fa!ric that effectiel"

transports 6P, /T(, and T&( traffic with direct interface to the optical la"er, and scales to

hundreds of tera!its of traffic per second. The OP0 starts as a giga!it router, !ut is also

designed to operate as a $a!el witch engine to delier a true unified core network.

Passport 5*** "ltiservice Switch is in its own right a )+G!it9s /T( switch, which seres

as a multi5serice peripheral for the OPTera Packet olution. 'orking with the Nortel

Networks OPTera Packet 0ore, the Passport 8)+++ is transformed into a tera!it optical

switching platform to support /T(, 6P, and T&( traffic. 6n this wa", the scala!ilit" issues

arising from limitations in /T( cell processing are oercome, and /T( capa!ilit" will eole

to meet the needs of the future !" operating on an ultra high speed unified core switching

network.






These elements come together to form a distri!uted -nified Network as depicted in Figure =.

Figure 4 - The Unified Network

Two further software elements delier the significant adantages of the OPTera Packet

olutionE

)PTera Network Control proides smart packet optical interworking capa!ilit" that deliers

d"namic route and !andwidth management. 6n the short term, /ON deliers networkoptimisation adice through anal"sis of the optical link capacities and presentation of issues

and recommended solutions to the operations team. This can !e e1tended with ON0 to

e1amine the packet network congestion parameters ia metrics such as router52ueue depth and

!andwidth5reseration5re2uests, and automaticall" reconfigure the routes on the optical la"er

to eliminate manual packet engineering tasks. Once confidence is gained in the ON0

capa!ilit", this can !e e1tended to proide real5time, full" d"namic control of optical

waelength connections !ased on actual traffic demands and rules defined !" the operator. /ll

of these ON0 capa!ilities delier real economic alue to the operator > more efficient use of

the optical la"er capacit", reduced operations costs, and the capa!ilit" to tune the network for






profita!ilit".

Preside Inte=rated ana=e'ent proides a single management platform for all components

of OPTera Packet olution. The one platform offers control and fault management of all the

OPTera Packet olution elements descri!ed a!oe. Once again, significant cost saings will

accrue from this integrated approach, asE

• Fewer operational staff will !e re2uired to run the unified core network

• / single element management platform will support all the optical, transport and data

la"ers within a single domain, and

• Faults can !e correlated across the arious logical la"ers in the network.

For e1ample, an optical e2uipment failure will !ring down one or more links carr"ing

guaranteed 6P traffic oer a corporate 'ide /rea Network. -nlike the traditional multiple

alarms that are set off in each of the network platforms, Preside will collect all the fault

reports, anal"se the root cause failure, and present the releant information !ack to the

operations staff. Those responsi!le for operating the 6P serice will see the alarm and know

that the optical failure is !eing acted upon, and can contact the alued customer to inform

them that unfortunatel" a fault is affecting serice, !ut will !e fi1ed.

Far greater customer satisfaction will result from this improed customer serice > !ut een

!etter, if OPTera Network 0ontrol was implemented across the network, the original failure

would hae !een automaticall" repaired through one of the multiple nested restoration

schemes that ma" !e applied to the core unified network.






S'art Packet1)ptical Interworkin= Creates ! ore Pro%ita4le In%rastr"ct"re

One of the most powerful features of the OPTera Packet olution is its a!ilit" to intelligentl"

share network topolog" and state information !etween the packet and optical la"ers. For

e1ample, as the routing la"er encounters congestion or faults in the network, it can instantl"

re2uest and receie additional !andwidth from the optical la"er. na!led !" Nortel Networks

OPTera Network 0ontroller software, this smart packet9optical interworking allows the

OPTera Packet olution to d"namicall" and continuousl" optimise the network. 'ith

!andwidth efficienc" ma1imised, serice proiders can capture reenue faster !" turning up

new serices 2uickl". ecause network reconfiguration is automated, operating costs and risk

of human error are reduced.

<<.<<<@ Relia4ilit$ Creates ! ore Service? Read$ Core Network

6n order for serice proiders to offer mission5critical serices, including packet telephon", 6P

networks must !ecome significantl" more relia!le. 6n toda"’s 6nternet, the weak link is the

IOld 'orld’ 6P routing technolog", which has eoled from the enterprise data market. /n

independent -niersit" of (ichigan stud" indicates that routers cause )M; of wide5area

!ack!one downtime. /s a result, serice proiders are forced to deplo" routers redundantl" >

an e1tremel" capital5intensie solution.

The OPTera Packet olution offers a far less e1pensie approach, !ased on carrier5grade

hardware and software with a leel of relia!ilit" that in the past has onl" !een associated with

the oice network. (ore dependa!le routing and switching, smart packet9optical integration,

(ulti5Protocol $a!el witching C(P$D traffic engineering, and other factors contri!ute to

the increase of network relia!ilit" !" one to two orders of magnitude oer toda"’s 6nternet.

6ndiidual s"stem features, including full hardware redundanc", non5serice effecting

software upgrades, and carrier5grade software create a !ack!one network that proides::.:::; aaila!ilit".

The OPTera Packet olution enhances network dependa!ilit", ena!ling serice proiders to

guarantee erice $eel /greements C$/sD to customers and offer mission5critical serices.

Packet Inte=ration Creates ! ore Fle9i4le Core Network

Toda", man" serice proiders must rel" on separate oerlapping networks to capture different

serice t"pes > one for oice, another for priate lines, and separate networks for /T( and 6P.

Proiders ma" also face the dilemma of choosing !etween continued inestment in /T( or






total conersion to 6P. The -(T 0ore Network toda" is a liel" com!ination of the *.The

OPTera Packet olution ena!les the cost5effectie consolidation of multiple 6P, /T(, Frame

ela", and T&( networks into a single core network capa!le of carr"ing all traffic t"pes. This

consolidation reduces capital and operation costs, as well as footprint, and eliminates much of

the risk from technolog" inestment. e" to this packet integration is a highl" dependa!le

switching fa!ric and an aggressie implementation of (ulti5Protocol $a!el witching in the

OPTera Packet olution. /n emerging 6nternet ngineering Task Force C6TFD standard,

(P$ allows the OPTera Packet 0ore to internall" maintain a distinction !etween arious

serices, "et handle all packets and frames identicall". (P$ traffic engineering also allows

serice proiders to resere !andwidth specificall" for high5priorit" traffic,and improes upon

the shortest5hop routing of natie 6P.

Nortel Networks is a leader in the deelopment of (ulti5Protocol $a!el witching, and the

OPTera Packet

olution emplo"s the industr"’s leading (P$ capa!ilities to achiee network consolidation.

Sea'less Scala4ilit$ to H"ndreds o% Tera4its Creates ! ess Costl$ Internet

eeping up with traffic growth is the num!er one pro!lem faced !" national 6nternet

serice proiders and glo!al serice proiders. The primar" !ottleneck is IOld 'orld’

routers, which do not support high5speed optical interfaces Ce.g., T(5=7D, and hae

difficult" operating a!oe 8++ giga!its5per5second CG!it9sD of non5!locking

throughput. The OPTera Packet olution eliminates these pro!lems !" proiding a

seamless and cost5effectie migration path from giga!it capacit" to hundreds of tera!its.

erice proiders can scale their 6P networks !" purchasing a single router toda" and then

integrate that router, as well as multiple others, with the OPTera Packet 0ore into a singlelogical router. The OPTera Packet 0ore architecture allows serice proiders to scale their

networks to hundreds of tera!its of non5!locking throughput.

Commercial in confidence Chapter : 5 Page: 1#





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)PTera Packet Core

The OPTera Packet 0ore COP0D is a new, highl" scala!le la!el switch router designed around

a new reolutionar" switching fa!ric. 6t has !een specificall" designed as a carrier grade

product, !eing e1tremel" relia!le, self5healing, and non5!locking. The first configuration of

the OP0 will proide from *++G!it9s to 7.<T!it9s user !andwidth, with future releases

offering !andwidth up to 8++’s of T!it9s.

The OPTera Packet 0ore uses (P$ to unif" the carriage of 6P, /T(, F, and T&( traffic. 6tsupports rich and sophisticated Ko mechanisms, such as classification, policing, congestion

management, and scheduling. &ue to its low latenc" and an effectie

dela" ariance of ero, the OPTera Packet 0ore can handle the strict

re2uirements of real5time traffic such as oice and ideo.

One of the ke" design o!4ecties !ehind the OPTera Packet 0ore is the

delier" of carrier grade 6P network serices. The OP0 counters the

ma4or threats to serice aaila!ilit" throughE






• Si'pli%ied )perations

OP0 supports non5serice affecting software upgrades, hot5swappa!le hardware upgrades,

and the moe to an (P$ network protocol minimises the num!er of routes to !e set up, with

the edge routers merel" re2uiring large pipes into the core unified network. %ence, central

configuration for ke" serices such as 6P ?PNs is possi!le, so reducing the potential for

configuration errors.

• Carrier Grade 0esi=n

The OPTera Packet 0ore proides full hardware redundanc" and software optimised for the

serice proider enironment. OP0 offers non5!locking performance with no single point of

failure. /n" card failures result in gradual degradation of performance rather than ma4or

switch outage.

• !=ile )ptical Internet !rchitect"re

The intelligent packet9optical inter5working COPTera Network 0ontrolD compensates for

pro!lems with congestion and9or ph"sical links, so reducing the effect of the other ma4or

downtime causes.

6n essence, the OPTera Packet 0ore switch has !een designed from the outset to delier

outstanding operational capa!ilities, and meet the !enchmark of ::.:::; network uptime 5

through application of design principles em!odied in all our carrier grade oice network

products. Nortel Networks is totall" committed to deliering the new 6nternet, where

congestion and network failure do not affect end5user e1perience, and which trul" ena!les the

6P reolution to delier startling !usiness process !enefits through the application of

widespread e50ommerce.

)PTera Network Controle" among OPTera Packet olution’s features is its a!ilit" to

intelligentl" share network topolog" and state information !etween the

packet and optical la"ers and take appropriate action. This process can

!e partiall" or full" automated, depending on %utchison’s preference.

There are man" !enefits to smart packet9optical interworking,

includingE

• $ower operations and capital costs arising from d"namic network optimisation

• 6ncreased network dependa!ilit", and






• The a!ilit" to turn5up new serices faster.

/s one of the !asic !uilding !locks of OPTera Packet olution, OPTera Network 0ontrol

CON0D will proide smart packet9optical interworking capa!ilities. ON0 will monitor traffic

conditions and network topolog" information, looking for network optimisation opportunities.

'hen ON0 discoers these opportunities, it will recommend network configuration changes

to improe profita!ilit"

Thus, OPTera Network 0ontrol ena!les the optical la"er to intelligentl" reconfigure the

network to cope with link or node failure through e1amination of the traffic t"pe. For

e1ample, it is now possi!le to determine which traffic on the failed linkCsD is most profita!le 9

proisioned with premium aaila!ilit", and re5route that traffic opticall", while leaing the

packet la"ers to re5esta!lish 6P sessions for !est5efforts traffic.

(oreoer, the implementation of ON0 can !e configured to proide automatic, irtuall" real5

time network optimisation. The ON0 s"stem actiel" monitors the flows of packet traffic

through the network links and is a!le to re5allocate optical !andwidth to delier the re2uired

serice leels. Taking adantage of this capa!ilit", the optical network can !e designed at

lower cost, as less oerhead is re2uired to cope with peak traffic flows. This s"stem is moing

rapidl" towards the concept of a Flat Network, where edge deices set up paths across the

network, which self reconfigures !ased on the instantaneous traffic profiles.

The protocols used to communicate !etween the network elements and OPTera Network

0ontrol will !e open and made aaila!le to all endors.

)PTera Connect 0A

cala!ilit"OPTera 0onnect & has a narrow footprint that can !e readil" and cost5

effectiel" scaled in increments of M=< T(8 ports up to a ma1imum of

3+M* T(8 ports or appro1imatel" +.) Tera!its per second, thus ena!ling a

more efficient match to differing hu! office sie re2uirements. This

ma1imum scala!ilit" is integrated into an industr" leading compact lineup

of onl" four T69/N6 compliant !a"s resulting in significant floor space and power

saings, as well as operational simplicit". 6n addition, integrated connection ?07 grooming

and add9drop functionalit".

Commercial in confidence Chapter : 5 Page: 1!





(ulti5configuration 6nterconnect

Nortel Networks OPTera 0onnect & acts as a network5aware cross5connect s"stem,

supporting multiple *975fi!re (5Ping9&Ping rings operating at different line rates

C8))(!ps to 8+G!psD, linear /&( and mesh configurations. This results in a rich set of

network functionalities that serice proiders can offer, including a serice5specific

suria!ilit" strateg", operational simplification and efficient traffic grooming without the

need for traditional e1ternal cross5connection facilities.

Optical Networking

/s a mem!er of Nortel Networks proen famil" of &% and Optical networking products, the

OPTera 0onnect & s"stem interworks full" with its counterparts to proide a seamlessl"

unified network, and proides centralised, end5to5end operations, administration,

maintenance, and proisioning CO/(LPD.

The comprehensie interworking capa!ilities with the Nortel Networks TN5=7 8+G!9s /dd5

&rop (u1 allow the two to !e fi1ed freel" in ring configurations, interconnecting at the T(5

=7 line rate and also to !e managed !" the same element controller.

To ena!le a smooth integration with the optical la"er OPTera 0onnect & supports 6T-5T

compliant &'&( waelengths, which can !e com!ined with the Nortel Networks OPTera

$% product famil" of optical amplifiers, waelength translators, waelength com!iners and

optical add5drop mu1es CO/&(sD, to !uild a complete optical transport network.

5..(., etro S0H Sol"tions %or the TR!N

)ptical Inter%ace %or the i2TSThis is an option that can !e ordered for the iT. 6t has the adantage of !ringing &%

2ualit" and managea!ilit" right inside our T. This option can grow at the same pace as "our

networking needs.The salient features of this option are E

8 5 Full" integrated inside T E

• * rack units high

• Full temperature range is supported

• 6ntegrated fi!er management






• 6nternal power L !atter" !ackup

* 5 asic configuration E

• * fi!er terminal multiple1er

• 7 8 ports

• Optional 8H8

3 5 -pgrada!le to configuration E

• * fi!er /&(

• < 8 ports

• ?08* Path protection

7 5 Full" (anagea!le with Preside

PC.

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