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Triple Play Residential Services
A burgeoning new market exists for Ethernet in the aggregation of
consumer triple -play services (see Figure 3). The aggregation network
needs to be optimized to meet the demands of voice, video and high-
speed Internet services, and above all it must be extremely scalable to
support the kinds of subscriber numbers inherent in a consumer-
oriented service. For this market, VPLS is used as an enabling under-
lying technology in the network infrastructure to provide scalability
and reliability. Traditional Ethernet would be constrained by the
limited number of virtual LANs that can be supported with spanning
tree protocol; VPLS overcomes these limitations.
5Alcatel-Lucent 7450 Ethernet Service Switch
“As a leading provider of ‘always-
on’ services such as triple play for
consumers, SBC is expected to
deliver the highest levels of reliabil-
ity and service availability. Alcatel’s
new features enabling non-stop
routing and non-stop services will
help SBC to meet the high expecta-
tions of our customers.”
RALPH BALLART, VICE PRESIDENT, SBC LABS
* This customer reference was provided to Alcatel prior to the merger.
Figure 3. Alcatel-Lucent 7450 ESS is an Essential Component of a Triple-Play Service Delivery Architecture
Access Nodes
Consumer
Entertainment
7450 ESS
7450 ESS
7450 ESS
Internet
Service-Aware Management
VPLS
NGN
IP/MPLS
7450 ESS
7750 SR
DHCP
Server
Multicast
Multicast Multicast
Multicast