Hi Fred,
All the more reason to address the issue in a separate draft!
Ron
-----Original Message-----
From: Templin, Fred L [mailto:[email protected]]
Sent: Tuesday, February 18, 2014 1:51 PM
To: Ronald Bonica; Joe Touch
Cc: [email protected]
Subject: RE: [Int-area] FW: New Version Notification for
draft-bonica-intarea-gre-mtu-04.txt
Hi Ron,
What you are describing is easily articulated in the generic text that would
apply to all tunnel types - not just GRE. The draft Joe and I are considering
would be a generic document and not anything that assumes any specific
reassembly capabilities, for example.
Thanks - Fred
[email protected]
> -----Original Message-----
> From: Ronald Bonica [mailto:[email protected]]
> Sent: Tuesday, February 18, 2014 10:45 AM
> To: Joe Touch; Templin, Fred L
> Cc: [email protected]
> Subject: RE: [Int-area] FW: New Version Notification for
> draft-bonica-intarea-gre-mtu-04.txt
>
> Folks,
>
> I think that we are conflating two separate efforts.
>
> Draft-bonica-intarea-gre-mtu describes what is widely deployed today.
> In today's, one of the following conditions frequently holds:
>
> - the operator of the GRE ingress knows that the GRE egress cannot
> reassemble fragments at the required rate
> - the operator of the GRE ingress has no information regarding whether
> the GRE egress can reassemble fragments at the required rate
>
> Therefore, in draft-bonica, by default, the PTU is equal to the MTU.
> Fragmentation doesn't happen in the tunnel. However, in the
> exceptional case, where the operator of the ingress knows that the egress can
> reassemble at the required rate, fragmentation of the delivery packet is
> permitted.
>
> The draft that Joe and Fred are considering applies to environments
> where egress routers are commonly capable of reassembling at line
> rate. Since this is a different environment, it should be addressed in a
> separate draft.
>
> Ron
>
>
> -----Original Message-----
> From: Joe Touch [mailto:[email protected]]
> Sent: Tuesday, February 18, 2014 1:29 PM
> To: Templin, Fred L
> Cc: Ronald Bonica; [email protected]
> Subject: Re: [Int-area] FW: New Version Notification for
> draft-bonica-intarea-gre-mtu-04.txt
>
>
>
> On 2/18/2014 10:22 AM, Templin, Fred L wrote:
> > Hi Joe,
> >
> > I can see that I am going to have to write a draft on generic tunnel
> > fragmentation.
>
> -
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