September 2001
Intermediate to advanced
272 pages
7h 27m
English
book
Design and Implementation of DSL-Based Access Solutions
by Sanjeev CCIE #4006 Mervana, Chris CCIE #5235 Le
Content preview from Design and Implementation of DSL-Based Access Solutions
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How a Service Destination Is Reached
In an end-to-end PVC architecture with bridging, the service destination is reached by the creation of PVCs between each hop as illustrated in Figure 4-6.
Figure 4-6. RFC 1483 Bridging: End-to-End PVC
Management of these PVCs, however, can be challenging for the NAP/NSP. Additionally, the number of PVCs that can be defined through the ATM cloud is limited. This limitation affects many of the NAPs/NSPs who adopt an end-to-end PVC model. For each subscriber, there must be a fixed, unique set of VPIs/VCIs along the entire path. We have also seen many access providers are migrating to IP-enabled Core networks ...
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