cvs commit: src/sys/netinet ip_id.c
silby at silby.com
Wed Feb 6 18:49:38 PST 2008
On Thu, 7 Feb 2008, Bruce M. Simpson wrote:
> Mike Silbersack wrote:
>> Note that this commit does not yet enable random IP ID
>> generation by default. There are still some concerns
>> that doing so will adversely affect performance.
> Random ip_id generation also breaks MANET multicast as it's currently
> specified -- the ip_id field gets used for histogram based duplicate packet
> detection. However, after my inveigling, Fred Templin at Boeing brought
> encapsulation back into the proposal on the table.
> So some way to turn this stuff off on a per-interface basis is probably going
> to be needed later on for mobile stuff...
Does MANET multicast require:
2) No repetition of an ID within a certain timeframe.
The distinction is quite important!
Mike "Silby" Silbersack
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