re: [RRG] Happiness; lack thereof

[Xu Xiaohu <xuxh@huawei.com>]

> I also did some worm-related troubleshooting and my intuition tells me
> that something will surely explode in such an architecture. Just a
> feeling, probably because you'll have to keep too much state per
> packet or because end hosts will get another leverage over the routers
> in terms of operations per packet...

Reasonable, the default mapper will have to maintain a huge per-flow-based
status statistics table. What's the estimated amount of statistics for each
default-mapper? 

In fact, the DDoS attack risk is a common problem for almost all the
cache-ITR-based approaches, not just for APT.

Best wishes,
Xiaohu XU



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