Chapter 9. Tag Switching Overview
Tag Switching combines the performance and capabilities of Layer 2 (data link layer) switching with the proven scalability of Layer 3 (network layer) routing. It enables service providers to meet challenges brought about by explosive growth and provides the opportunity for differentiated services without necessitating the sacrifice of existing infrastructure. The Tag Switching architecture is remarkable for its flexibility. Data can be transferred over any combination of Layer 2 technologies, support is offered for all Layer 3 protocols, and scaling is possible well beyond anything offered in today's networks.
Specifically, Tag Switching can efficiently enable the delivery of IP services over an ATM switched ...
Get Cisco IOS 12.0 Switching Services 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.
