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MPLS Fundamentals by Luc De Ghein - CCIE No. 1897

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Work at IETF

Much work is still going on regarding MPLS topics at the Internet Engineering Task Force (IETF). Many RFCs on MPLS have already been published, but drafts are still being written. Some of these drafts might become important, whereas others will experience less demand. This section lists a few topics that are likely to receive interest from the networking industry.

MPLS Control Word

The control word (the MPLS header) is used today in AToM networks to carry protocol control information across the MPLS network to support the correct operation of pseudowires. Networks can also use the MPLS control word for the fragmentation of AToM traffic. Another use of the control word is as Pseudowire Associated Channel Header. This stems from ...

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