January 2001
Intermediate to advanced
368 pages
11h 35m
English
Content preview from IP Quality of Service
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References 145
Q — Should I be running SPD in all my routers?
A — The SPD feature is critical in routers in any large-scale IP network, especially
when they do route-cache-based forwarding. With CEF-based switching, the
utility of SPD is a bit low because SPD applies only for process-switched traffic,
but it is still useful in differentiating the routing protocol packets and keepalive
packets from the other normal packets destined to the router.
SPD with the special aggressive drop mode is useful for minimizing potential
denial-of-service attacks on a router by using bad IP packets such as packets with
expired TTL values.
References
1
“TCP Slow Start, ...
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