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Alcatel-Lucent 1850 TSS-100 8
Figure 2. Triple play over optical
3G mobile access
Business access
WiMAX
EdgeAggregation
Core transport
SONET
Ethernet/
WDM
SONET
Ethernet/
WDM
Metro
transport
Radio core
network
IP/MPLS
OC-n
OC-n
FE/GE
FE
FE
DS1
FE/GE
OC-192
GigE
GGSN
1850 TSS-100
1850 TSS-100
Enterprise
Corporate
Service router
Storage
PSTN
MSC
RNC
Node B
Multiservice node
1671 SC
SGSN
Triple play over optical
Introducing triple-play services establishes new broad-
band-aggregation infrastructure requirements for both
scalability and the speed of service rollout. To meet these
goals, many operators are introducing Ethernet into their
broadband-access infrastructures. This allows network op-
erators to progressively integrate their triple-play services
into a unified and homogeneous environment.
The 1850 TSS-100 can efficiently provide distributed
broadband service aggregation and transport toward the
broadband service routers. It is a unified transport plat-
form, offering flexible support when transitioning from
legacy transport to Ethernet. The unified aggregation
platform supports any multiservice business model and
protects infrastructure investments.
When distributing video, it is important to broadcast
these services from the last possible point in the network
to avoid duplicating service costs 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 1850 TSS-100 can use a combina-
tion of distributed Layer 2 and TDM Switching, depend-
ing on the option that suits the provider’s requirements
and minimizes costs (see Figure 2).