Re: [RRG] Tunnel fragmentation/reassembly for RRG map-and-encaps architectures

[Dino Farinacci <dino@cisco.com>]

> Just for the record, CEF did not do any caching.  In fact, the whole  
> point of the design was to stop caching, since it was ineffective.   
> The working set was essentially the full space, so there was no  
> benefit and significant overhead.

Well, you know I know that. But I was staying with Yakov's lingo. What  
Yakov is referring to is cisco's original fast-switching cache where  
host addresses were populated by software switching.

It's not at all bad with LISP because we are aggregating all site- 
based addresses into an EID-prefix so any new host at a site with a  
cached EID-prefix for a destination site that talks to a new host at  
the destination site, won't have a "cache fault" or have to drop or  
send data probes.

Dino


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