Re: [Int-area] [EXTERNAL] Re: New Version Notification for draft-herbert-ipv4-eh-03.txt

["Robinson, Herbie" <[e-mail]>]

It may not break the formal definition of any protocol, but it breaks common usage patterns in a way that will prevent most sites from using it.  

> Again, this proposal doesn't break any protocol. If someone is already using
> RSS with plain TCP and UDP packets then that will continue to work with ports
> as input (although I wouldn't be surprised if this doesn't work for some NICs if
> IP options are present). Yes, the port information is not available to an
> unmodified NIC. But I don't see that as being any different than an unmodified
> NIC that can't extract port information from protocols other than UDP and
> TCP like the aforementioned DCCP, SCTP, ESP, AH, etc. Also, port extraction
> can't work with fragmented UDP and TCP packets.
> 
> So I don't see that IPv4 EH breaks anything anymore than using a protocol
> other than UDP or TCP. And if a site doesn't want to use IPv4 EH or risk using
> any other protocol than TCP or UDP or even fragmentation then that's their
> business.