The Access Network
The access concentrator has several thousand VCs coming in to its ATM interface through the ATM cloud. It has several options to convert these VCs into the IP packet, and each of these methods has a standard associated with it. Some of the methods are as follows:
RFC 1483 bridging
RFC 1483 bridging with RBE
RFC 1483 routing
PPPoA
PPPoE
For each of the service architectures, one access encapsulation method will be selected and explained. Each service architecture basically covers the following:
Basic architecture— Provides a brief overview of the encapsulation method and problems this architecture will solve.
Operational description— Provides a technology overview of the access encapsulation method
Advantages and disadvantages— ...
Get Design and Implementation of DSL-Based Access Solutions now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
