On 2008-01-09 13:19, Yakov Rekhter wrote:
Tony,On Jan 8, 2008, at 1:52 PM, Brian E Carpenter wrote:Well, we're here because of the concern that BGP4 updates will become prohibitive as multihoming expands, aren't we?Nope. We're here because routing convergence will continue to degrade as the number of prefixes scales.Whether the routing convergence will continue to degrade as thenumber of prefixes scale depends on the scalability of the control plane CPU/memory.
Isn't there also a limit where the number of bits of update info to
be sent over some links per unit time exceeds the spare capacity on
those links, in such a way that convergence becomes impossible,
just as much as if you exceed the memory speed?
Brian
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