> > Hasn't the industry built caching routers before, and what happened to > > them? Think we need a second try? I have not seen any ideas on how to > > remove the problems inherent with the caches, such as vulnerability to > > being hit by random destination addresses. > > I believe the cache mechanism is still useful. However, it depends on what > you indeed expect it to do. If you just expect it to optimize the forwarding > path for the traffic, it would be OK. If you expect it to forward almost all > traffic, it would be doubtable. In other word, is it acceptable for the > overlay to forward most traffic once the cache becomes unavailable, e.g, the > cache is filled up due to some attacks.
By the way, IMO, it also depends on how you use it. For example, a single (or several) packet(s) can trigger a route entry in the cache, or only those flows which have reach some rate can trigger a route entry in the cache. Xiaohu XU -- to unsubscribe send a message to [EMAIL PROTECTED] with the word 'unsubscribe' in a single line as the message text body. archive: <http://psg.com/lists/rrg/> & ftp://psg.com/pub/lists/rrg
