January 2001
Intermediate to advanced
368 pages
11h 35m
English
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248 Chapter 10: MPLS Traffic Engineering
router has a logical Layer 3 connection to every other router connected to the Layer 2
cloud.
Figure 10-1 shows a physical and logical Layer 3 view of such overlay models. The
physical model shows Layer 3 devices—routers connected through Layer 2 (Frame Relay
or ATM) switches. The switches in the network help define the exact physical path taken by
any Layer 3 traffic entering the Frame Relay or the ATM cloud.
Figure 10-1 Layer 2 Overlay Model for TE
For the traffic from Router A to Router B, for example, the Layer 2 cloud offers three
physical paths: A->1->4->B, A->1->2->3->4->B, and A->1->6->5->4->B. The actual ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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