January 2001
Intermediate to advanced
368 pages
11h 35m
English
Content preview from IP Quality of Service
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178 Chapter 8: Layer 2 QoS: Interworking with IP QoS
ATM Interworking with IP QoS
In an IP network where a certain part of the network uses ATM as the underlying Layer 2
technology (as in Figure 8-5), the IP traffic is carried across the ATM backbone using a VC
provisioned with certain ATM QoS, which suits the IP traffic it carries. Due to congestion
at the ingress to the ATM network, however, queues can build up and certain packets might
be tail-dropped. Without IP QoS, such packet drops are random and happen without any
knowledge of the packet’s IP precedence value, which fails to deliver end-to-end IP QoS
across an ATM network. Hence, a need ...
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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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