Alcatel-Lucent 1850 TSS-320 Manuale utente

Alcatel-Lucent

1850 TSS-320

Transport Service Switch

Alcatel-Lucent 1850 TSS-320 Transport Service Switch2

The Alcatel-Lucent 1850 Transport Service Switch (TSS)-320, a new class of multiservice

transport platform for metro-core and regional applications, supports any mix of trafﬁc,

from all-circuit to all-packet. This universal switch uniquely addresses the transition from

TDM/circuit to packet transport, eliminating the blocking problems encountered when

traditional platforms face data-trafﬁc increases. The functional versatility of the 1850 TSS-320

allows service providers to support current demands on their network, while positioning

their infrastructure for the future growth of advanced service delivery and trafﬁc.

Alcatel-Lucent 1850 TSS-320 Transport Service Switch 3

Transforming Transport Networks

To stay proﬁtable, service providers must focus on new revenue-generating services

while carefully controlling their cost structures. At the same time, new bandwidth-

hungry services, such as triple play and Ethernet virtual private networks (VPNs),

are redeﬁning the underlying transport-infrastructure requirements. These changes

are driving the move from circuit-based transport, using Time Division Multiplexing

(TDM), to packet-based transport, using Ethernet in MANs and WANs.

Driven by end-user demand for new services, service-provider network capacity is

growing rapidly, with these networks transporting a wide variety of trafﬁc. Service

providers all need to assess how their existing metro and core networks will accommodate

trends and transitions in trafﬁc patterns.

The new-services introduction is probably the most critical factor to a service provider’s

success. The increasing demand for bandwidth to deliver new services is not reﬂected

in comparable increases in revenue, presenting a signiﬁcant business challenge. The

Alcatel-Lucent 1850 TSS-320 helps service providers maximize their proﬁtability by

transporting any service mix while keeping tight control of costs.

FEATURES BENEFITS

Single transport-aggregation platform • Seamlessly transports any type of service, in any mix

• Supports future traffic requirements

• Simplifies network operation, reducing OPEX

Open architecture • Integrates Ethernet and TDM switching

• Uses SONET/SDH and DWDM

• ROADM functionality

• Splits increasing traffic demands among any combination

of transport technologies

Technology independent • Universal switch

• Switches packets or circuits in native format, avoiding

expensive mapping

• Increases scalability

Technology-dependent line cards Native traffic processing, including:

• Overhead management

• Performance-monitoring protections

• Packet classification

• Policing

• Scheduling

Alcatel-Lucent 1850 TSS-320 Transport Service Switch4

Multitechnology Support

with the Alcatel-Lucent 1850 TSS-320

The Alcatel-Lucent 1850 TSS-320 represents the

next step toward a converged transport network.

It is a single transport-aggregation platform for

switching packets and circuits, seamlessly trans-

porting any type of service in any possible mix,

allowing service providers to build future-safe

transport networks that can support future trafﬁc

requirements. The industry’s ﬁrst transport service

switch, it uses an open architecture that integrates

Ethernet switching, TDM switching, using Synchro-

nous Optical Network/Synchronous Digital Hierar-

chy (SONET/SDH) and dense wavelength division

multiplexing (DWDM), with reconﬁgurable optical

add/drop multiplexer (ROADM) functionality.

This unique capability makes the Alcatel-Lucent

1850 TSS-320 an ideal building block for the ongoing

transformation of transport networks, ﬂexibly splitting

increasing trafﬁc demands among any combination

of carrier-Ethernet switching, DWDM and TDM

transport technologies. This allows service providers

to overcome scalability and technology issues,

regardless of future trafﬁc-pattern changes.

Service providers no longer need to debate which

transport technology is the most appropriate to

deliver their current or future service mix. The

Alcatel-Lucent 1850 TSS-320 offers them all

(see Table 1).

Table 1. An Open Platform Supporting Multiple Technologies

APPLICATIONS AND SERVICES ALCATEL-LUCENT 1850 TSS-320

CARRIER ETHERNET DWDM TDM

Triple play X X

Business X X X

Mobile X X

Carrier-to-carrier X X X

Alcatel-Lucent 1850 TSS-320 Transport Service Switch 5

The Universal Switch

The Alcatel-Lucent 1850 TSS-320 offers service

providers a powerful tool for running future-safe

transport networks, with total freedom in planning

network resources to support the delivery of new

broadband applications such as triple play, video,

mobile and Ethernet business services. It also ensures

seamless interworking with the existing transport

assets that support existing revenues, while fully

addressing the optical-packet transport convergence,

as demanded by key American service providers.

This universal switch ﬂexibly supports scalable

aggregation and transport at the wavelength level,

the Wavelength Selective Switch (WSS)-based

multidegree ROADM, and also at the subwavelength

level for both synchronous, or SONET, and asynchro-

nous, or packet, trafﬁc. The Alcatel-Lucent 1850

TSS-320 offers the following advantages:

•AnymixofEthernet,TDM,WaveDivision

Multiplexing (WDM), Optical Transport Network

(OTN) and future services with only a simple

change of interface cards, eliminating the need

for future switch investments as new services or

protocols emerge.

•Technology-independent,universalswitch,

capable of switching packets or circuits in their

native format and transporting them as they are,

without costly mapping of circuits into packets

or packets into circuits. The universal switch

provides scalable switching capacity regardless

of the trafﬁc type.

Alcatel-Lucent 1850 TSS-320 Transport Service Switch6

•Technology-dependentlinecards,packet,circuitor

wavelength, where trafﬁc is properly processed according

to its native format, including:

¬ Overhead management

¬ Performance-monitoring protections for operations,

administration and maintenance (OAM)

¬ Packet classiﬁcation

¬ Policing

¬ Scheduling

The line cards provide native trafﬁc processing.

•Thisinnovativedemarcationbetweentrafcprocessing

and trafﬁc switching eliminates the cost penalties associ-

ated with technology-dependent processing performed

in the switch (matrix) found in traditional transport-node

architectures. Packet, TDM or WDM trafﬁc processing

resides on the relevant line cards. Gradual investment,

in step with trafﬁc requirements, is possible.

•ThefullyROADMarchitectureprovidestheexibility

and scalability needed for today’s service-provider

operating networks, where trafﬁc is hard to predict,

or where trafﬁc churn is important. ROADM offers

the advantages of any-to-any node support, remote

conﬁguration and reconﬁguration, gain equalization,

reduced truck rolls and multidegree meshed network

architectures.

The concept of a single transport-

aggregation platform is a breakthrough

in service-provider networking. Instead

of investing in several network layers

to provide the required service mix,

service providers can now choose

one platform that delivers all services.

By deploying the Alcatel-Lucent 1850

TSS-320 as a uniﬁed transport platform

supporting any mix of services, service

providers can:

•Simplifynetworkoperations,

signiﬁcantly reducing operating

expenditures (OPEX) and increas-

ing the network ﬂexibility and

scalability

•Lowertheriskofcapitalexpendi-

tures (CAPEX) investments that

may vary over time, depending

on service-demand changes

•Shortentime-to-revenuefor

new services

Alcatel-Lucent 1850 TSS-320 Transport Service Switch 7

ROADM

Universal

Switch

Universal

Switch

Packet Card

TDM Card

Native switching of

synchronized trafﬁc

(circuits) and

asynchronized

trafﬁc (packets)

OC-192

OC-48

OC-3/

OC-12

OC-192

OC-48

Any Trafﬁc Mix All-PacketAll-Circuit

10 GigE

GigE/FE

GigE/

C/DWDM

10 GigE

Photonic

Card

Universal

Switch

ROADM

1850 TSS-320

SONET/SDH Model

1850 TSS-320

MSTP Model

1850 TSS-320

Carrier Ethernet Transport Model

Leveraging its universal, open architecture, the Alcatel-Lucent 1850 TSS-320 is positioned to help

service providers migrate their transport networks from all-circuit to all-packet. It integrates a full

set of SONET/SDH features to support traditional transport-network architectures and to interwork

with a large, existing installed base of equipment.

In addition, the platform supports transport packet switching, such as packet operations, administration,

maintenance and provisioning (OAM&P), and integrated G.709 Optical Transport Hierarchy (OTH)

trunk cards. The Alcatel-Lucent 1850 TSS-320 provides a cost-effective solution for implementing

resilient metro and aggregation networks. This solution uniquely transitions from TDM/circuit to

packet transport by smoothly migrating toward the delivery of advanced packet-based services, maxi-

mizing return on investment over the network lifecycle (see Figure 1).

Migrating Toward a Packet Transport Network

Figure 1. Seamless Network Transformation to All-Packet-Photonic Transport

Alcatel-Lucent 1850 TSS-320 Transport Service Switch8

Offering User-Centric Broadband Services

The Alcatel-Lucent 1850 TSS-320 universal-transport platform allows

for new large-scale generation services:

•Ethernetbusinessservices:Ethernet-line,Ethernet-LAN

•Tripleplay:Large-scaleEthernetaggregationforInternetProtocoltelevision(IPTV)

•Mobilebackhauling:EthernetandTDMnativesupportformobilesecond-generation

mobile system/third-generation mobile system/Worldwide Interoperability for

Microwave Access (2G/ 3G/WiMAX)

•Carrier-to-carrierservices:Packet/TDM/lambda(λ)

•Mission-criticalservices:Government,research,TVbroadcasters,energyutilities

and transportation

Access

2G/3G Mobile,

WiMAX

Video

IP-DSLAM

FTTx

ATM DSLAM

Voice

Data

Service Delivery

Platforms

Edge/CoreAggregation

Residentlal

Wireless

Business

Core TransportMetro Transport

High-

Speed

Internet

VoD

IPTV

VoIP

PSTN

N x 10 G STM/

OC/10 GigE

ROADM

Ethernet/WDM

Packet Rings

SONET/SDH

Ethernet/

T-MPLS

Scalable Circuit

and Packet

Management

via DWDM

Transport

E1/DS3

STM/OC/λ

FE/GigE

10 GigE

GigE

FE E1/DS1

DSL N x

GigE

STM/

GigE

3G Core

Network

1850 TSS-320

1850

TSS-320

IP/MPLS

GGSN/

SGSN

Softswitch

Voice

Gateway

Video

Servers

Headend

Service

Router

1850

TSS-320

Figure 2. Broadband Accesses (Residential and Business) Network Architecture

Alcatel-Lucent 1850 TSS-320 Transport Service Switch 9

Broadband Aggregation

for Triple Play

Introducing triple play services

establishes new requirements for

the broadband-aggregation infra-

structure for both scalability and

the speed of service rollout. To meet

these goals, many service providers

are introducing Ethernet into their

broadband-access infrastructures.

This type of infrastructure allows

network service providers to progres-

sively integrate their triple play

services into a uniﬁed and homoge-

neous environment.

The Alcatel-Lucent 1850 TSS-320

can provide efﬁciently distributed

broadband service aggregation and

transport toward the broadband

service routers. The Alcatel-Lucent

1850 TSS-320 is a uniﬁed transport

platform, offering ﬂexible support

during the transition from legacy

transport to Ethernet. The uniﬁed

aggregation platform supports any

multiservice business model and

protects infrastructure investments.

For distributing video, it is important

to broadcast these services from the last

possible point in the network to avoid

costs from duplicating services inside

the network. With a dedicated Ethernet

network or a multiservice network, the

multicast can be done efﬁciently at

either the TDM or Ethernet level.

The Alcatel-Lucent 1850 TSS-320 can

use a combination of distributed Layer 2

and TDM switching, depending on

the option that suits the provider’s

requirements and minimizes costs.

Ethernet Business Services

Enterprises are increasing their use

of high-bandwidth applications and

they are more frequently intercon-

necting LANs and data centers within

a metro area. To address this market,

service providers need scalable, carrier-

class solutions that offer guaranteed

quality of service (QoS) levels, support

for differentiated service level agree-

ments (SLAs) and customer separation.

Service providers can build either

dedicated Ethernet networks or

multiservice networks able to provide

other services through the same

networking platform. The Alcatel-

Lucent 1850 TSS-320 supports both

of these network models.

Alcatel-Lucent 1850 TSS-320 Transport Service Switch10

The Alcatel 1350 Open Media Suite (OMS) management suite eliminates the need to deploy multi-

technology element and network management systems, reducing CAPEX and OPEX. It offers a highly

modular architecture to properly match service-provider requirements, offering incremental investments

that are in step with demand. Service providers need to focus on the service, rather than the technology,

where it is used, how the network scales and how complex it is. By migrating from a technology-based

network management model to a service-oriented one, the complexity of managing services is

greatly reduced.

Mobile Backhaul

Wireless network trafﬁc is increasing signiﬁcantly as subscribers use their mobile phones more and

new, wireless data services are introduced, such as video telephony, music, Internet surﬁng and live

television, along with video-on-demand (VoD), for example, information, football, movie trailers and

clips. Price-based competition makes proﬁtable growth a challenge. Nevertheless, service providers are

forced to invest in new infrastructure to serve their customers’ needs. Should they expand with TDM

technology for more capacity now and worry about strategically evolving to 3G and all-IP later, or can

they expand innovatively, making the network better now, but also anticipating future requirements?

The Alcatel-Lucent 1850 TSS-320 addresses both options, providing a fully ﬂexible and reliable

transport platform, both Ethernet- and TDM-based, that meets today’s growth requirements and

opens the door for a strategic move toward an IP-based infrastructure.

Network Management

Masking the complexity of the underlying network is the job of the Alcatel-Lucent

1350 OMS management suite, offering:

•Simpliedpresentationofamultitechnologynetworktotheuser:

¬ Point-and-click service delivery

¬ Essential ﬁltered alarms and fault detection

¬ Simple, service-oriented graphical user interface (GUI)

•Future-safe,scalableplatformthatcanbeextendedasthenetwork

and its services grow from a few units to thousands of network elements

•Uniedmanagementaccessforserviceproviders,independentoflocation,network

layer or technology: Single point-of-alarm collection, all network management

information available on a single platform and a single logon procedure

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