> Meanwhile, buffering is finite and control planes really can’t keep up. > Forwarding is a parallel activity. The control plane is not. This presents > us with a situation where congestion is pretty much inevitable. We need to > deal with it.
At least we are lucky that ISIS LSPs are produced by some other control plane not by a silicon chip :) If we have 1000 of interfaces and all peers *all in the same time* will send us an LSP of max size of 1492 octets that our control plane buffer RAM size required to store them would be as huge as 1.5 MB. And that assumes we did not process any from arrival of the first to the arrival of the last one. Thx, R.
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