Re: Re[2]: LL ARQ on LD links [was: PILC: prioritization]

From: Reiner Ludwig (rludwig@huginn.CS.Berkeley.EDU)
Date: Wed Jan 27 1999 - 23:29:08 EST


At 07:17 PM 1/27/99 , Phil Karn wrote:
> It seems that a reliable link protocol would benefit by knowing if
> there is TCP or UDP in the packet and, if UDP, if late is as good as
> missing.
>
>A better-layered approach would use the TOS bits in the IP header. If
>the "reliability" bit is set, enable link-level acks. If the "low
>delay" bit is set, turn link-level acks off. [...]

As indicated earlier I fully agree with this approach. So maybe this group
should provide some input to the diff serv group to get the appropriate
information written into the IP headers.

///Reiner



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