Re: Report: feat negot state

[Eddie Kohler <kohler@cs.ucla.edu>]

Hi Arnaldo,

Arnaldo Carvalho de Melo wrote:
>>The Init Cookie option lets the server package up all that state, send it to
>>the client, and forget it.  The server might still have to load a CCID, but
>>that doesn't worry me -- we only have 3 CCIDs.
> 
> 
> Sure, Init Cookie will be eventually implemented, but I want to
> support everything
> that is specified in the draft, and furthermore, reworking the core Linux INET
> infrastructure to have TCP and DCCP sharing _everything_ that is not specific to
> one of them, that has been my goal since day one, if I decided just to implement
> Init Cookies I would have a much easier ride, but I'm stubborn on supporting all
> the things specified in the draft to the best of my capacity use this
> implementation
> to fully validate the draft in the Real World(tm), even if takes more time 8)
> 
> If one looks at work Eric Dumazet, Ben LaHaise and others are doing on improving
> TCP that _already_ are helping DCCP due to all this code sharing, its
> wonderful, I
> really, really didn't wanted to go the SCTP way where few things is shared with
> other INET connection oriented protocols (well, at the time there was
> only TCP :P).

This is a great approach!  But TCP implements syn cookies, which is very 
similar to the Init Cookie.  So Init Cookies are not totally DCCP-only.  I'm 
just saying the DOS need not be such a big deal.

Eddie