June 2004
Intermediate to advanced
840 pages
39h 47m
English
Content preview from The Internet and Its Protocols
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492 Chapter 10 Generalized MPLS (GMPLS)
10.1 A Hierarchy of Media
Set out in the following sections are a variety of ways in which data entering
a node can be switched to leave the node on the next hop toward its destination.
The methods of switching can be seen to be hierarchical in terms of the granu-
larity with which they switch, and LSPs can be set up to carry data at a specific
switching granularity. These LSPs can be established as nested tunnels, pro-
vided that the switching capability of the outer tunnel is of no finer granularity
than the payload LSP, and provided that (as is the ...
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