November 2013
Intermediate to advanced
1040 pages
32h 18m
English
book
End-to-End QoS Network Design: Quality of Service for Rich-Media & Cloud Networks, Second Edition
by Tim Szigeti, Christina Hattingh, Robert Barton, Kenneth Briley Jr.
Content preview from End-to-End QoS Network Design: Quality of Service for Rich-Media & Cloud Networks, Second Edition
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Chapter 28. WAN Aggregator (Cisco ASR 1000) QoS Design
The primary quality of service (QoS) role of the WAN aggregator router is to manage the congestion caused by the major reduction in speed from the LAN to the WAN, while minimizing packet loss and jitter. A secondary role of this router may be to perform deep packet inspection (DPI) for ingress application classification.
WAN aggregator routers connect not only to private WAN networks but may also connect to Multiprotocol Label Switching (MPLS) or IPsec-based virtual private networks (VPNs). The interface-specific QoS roles of WAN aggregator routers are illustrated in Figure 28-1.
Figure 28-1 ...
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