July 2006
Intermediate to advanced
408 pages
9h 21m
English
Content preview from Network VirtualizationBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Appendix B. MPLS QoS, Traffic Engineering, and Guaranteed Bandwidth
This appendix covers topics related to quality of service (QoS) on Multiprotocol Label Switching (MPLS) networks in more detail than Chapter 10, “Quality of Service in a Virtualized Environment” (where they were originally presented). This appendix discusses the following:
Uniform tunnel and pipe mode
MPLS traffic engineering
Guaranteed bandwidth
MPLS QoS—Uniform Tunnel and Pipe Modes
In uniform tunnel mode, any changes to a packet’s differentiated services code points (DSCPs) are permanent, as shown in Figure B-1 and discussed in the following list:
A packet arrives at link switched router (LSR) A with a DSCP setting of 3. The switch policy determines that the appropriate Expedited ...
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