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Re: IP comression - Can this be made optional?



> 
> >>>>> "Pyda" == Pyda Srisuresh <suresh@livingston.com> writes:
> 
>  Pyda> Hi,
> 
>  Pyda> When you have an SA bundle consisting of AH, ESP and
>  Pyda> Compression protocols defined for a class of packets, I
>  Pyda> understand, the entire SA bundle is required to be applied on
>  Pyda> packets in either direction.
> 
>  Pyda> However, I believe, it is desirable to make application of some
>  Pyda> of the components (of SA bundle) optional. For example, one
>  Pyda> might not want to compress small packets (say, less than 64
>  Pyda> bytes). I would hate to have packets dropped in bit bucket just
>  Pyda> because they are not compressed. What do others think of this?
> 
> That's already explicitly allowed.  In fact, it is sometimes required, 
> since the IPCOMP spec says you're not allowed to compress something
> that gets bigger when compressed.
> 
> So the receiver already has to deal with the possibility that an
> incoming packet is not compressed even though the bundle has
> compression in it.
> 
> (Unfortunately, the ESP envelope makes detecting this VERY painful.)
> 
> 	paul
> 
OK. Thanks for the info.

cheers,
suresh


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