Re: [tcpm] WG Last Call for ICMP Attacks

[Joe Touch <touch at ISI.EDU>]

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Carlos Pignataro wrote:
...
> The document says the following; would s/discarded/discarded or delayed/
> cover it?
> 
>    It is important to note that ICMP error messages are unreliable, and
>    may be discarded due to data corruption, network congestion or rate-
>    limiting.  Thus, while they provide useful information, upper layer
>    protocols cannot depend on ICMP for correct operation.

That would help there, but it is also useful in other places to indicate
what happens when a legitimate ICMP is delayed, i.e., how that affects
what your algorithm would do.

It's OK to qualify it with "this is unlikely", but IMO it needs to be
discussed with more than a single word in a single paragraph.

Joe
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