Re: [Int-area] comment on draft-ietf-intarea-gre-ipv6

Hi Lucy,

> -----Original Message-----
> From: Int-area [mailto:int-area-bounces@ietf.org] On Behalf Of Lucy yong
> Sent: Thursday, March 05, 2015 12:09 PM
> To: Ronald Bonica; int-area@ietf.org
> Subject: Re: [Int-area] comment on draft-ietf-intarea-gre-ipv6
> 
> Hi Ron,
> 
> RFC2784 has this statement: See [RFC1122] for requirements relating to the
>    delivery of packets over IPv4 networks.
> Does this apply to over IPv6 networks?
> 
> Since IPv6 header does not have checksum, if a packet is mis-delivered to GRE decapsulator, will that cause a concern? This is not a
> concern when IPv4 network is the delivery network.

In terms of header integrity checks, they are very much in the same boat as RFC2473.
But, somehow that got standardized.

Thanks - Fred
fred.l.templin@boeing.com

> Thanks,
> Lucy
> 
> 
> -----Original Message-----
> From: Ronald Bonica [mailto:rbonica@juniper.net]
> Sent: Thursday, March 05, 2015 11:57 AM
> To: int-area@ietf.org; Lucy yong
> Subject: RE: [Int-area] comment on draft-ietf-intarea-gre-ipv6
> 
> Hi Lucy,
> 
> The goal of this draft is *not* to prove the GRE behaves identically with IPv6 as it does with IPv4. In fact, its goal is to point out the
> differences.
> 
> Can you think of any differences between the two GRE environments that we have failed to point out?
> 
>                                                                                                        Ron
> 
> 
> >
> > Message: 1
> > Date: Wed, 4 Mar 2015 15:25:54 +0000
> > From: Lucy yong <lucy.yong@huawei.com>
> > To: "int-area@ietf.org" <int-area@ietf.org>
> > Subject: [Int-area] comment on draft-ietf-intarea-gre-ipv6
> > Message-ID: <2691CE0099834E4A9C5044EEC662BB9D4545BB21@dfweml701-
> > chm>
> > Content-Type: text/plain; charset="us-ascii"
> >
> > Hi,
> >
> > If this draft is to document the protocol of gre in IPv6 exact same as
> > of gre in
> > IPv4 and update rfc2784, IMHO, it should point out the gre application
> > behavior differences in IPv4 network and IPv6 network. The exact same
> > protocol does not mean the same behavior for an application since IPv4
> > and
> > IPv6 networks have different behaviors such as header checksum.
> >
> > Thanks,
> > Lucy
> >
> >
> >
> >
> 
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