Re: [Int-area] 答复: 答复: 答复: 答复: Is the UDP destination port number resource running out?// re: I-D Action: draft-ietf-intarea-gue-04.txt
"Templin, Fred L" <Fred.L.Templin@boeing.com> Thu, 25 May 2017 22:21 UTC
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From: "Templin, Fred L" <Fred.L.Templin@boeing.com>
To: Joe Touch <touch@isi.edu>, Tom Herbert <tom@herbertland.com>
CC: "int-area@ietf.org" <int-area@ietf.org>
Thread-Topic: [Int-area] 答复: 答复: 答复: 答复: Is the UDP destination port number resource running out?// re: I-D Action: draft-ietf-intarea-gue-04.txt
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Date: Thu, 25 May 2017 22:21:48 +0000
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Subject: Re: [Int-area] 答复: 答复: 答复: 答复: Is the UDP destination port number resource running out?// re: I-D Action: draft-ietf-intarea-gue-04.txt
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Joe, I am for whatever allows us to do direct encapsulation (i.e., IP/UDP/IP with NULL GUE header) in the simplest way possible. I'm not too concerned with future-proofing it; is that what you are worried about? Thanks - Fred > -----Original Message----- > From: Joe Touch [mailto:touch@isi.edu] > Sent: Thursday, May 25, 2017 3:14 PM > To: Tom Herbert <tom@herbertland.com>; Templin, Fred L <Fred.L.Templin@boeing.com> > Cc: int-area@ietf.org > Subject: Re: [Int-area] 答复: 答复: 答复: 答复: Is the UDP destination port number resource running out?// re: I-D Action: draft-ietf- > intarea-gue-04.txt > > > > On 5/25/2017 1:40 PM, Tom Herbert wrote: > > On Thu, May 25, 2017 at 12:44 PM, Templin, Fred L > > <Fred.L.Templin@boeing.com> wrote: > >> If you are talking about the GUE direct encapsulation of IPv4 and IPv6, I > >> agree > >> > >> with the current spec and that direct encapsulation (i.e., with no > >> additional > >> > >> encapsulations between the IP/UDP and inner IP headers) is desirable and > >> > >> should remain as part of the spec. I think we may be over-thinking this. > >> > > +1. I think a little too much has been inferred beyond the what is > > actually in draft. Versions are straightforward: > > > > - There is a two bit version number field that begins GUE header. The > > format of the rest of the header depends on the version. > > - Version 0 defines an encapsulation header that encapsulates by IP > > protocol number. > > - Version 1 defined a means for direct encapsulation of select > > protocols as an optimization. Formats for IPv4 and IPv6 are defined. > > - Version 2 and 3 are reserved > I continue to be confused as to why it is more useful to try to make > decisions based on the first two bits rather than the first four. > There's near zero benefit, and the harm is that you end up with only two > reserved versions. > > > > > Rather Version 1 constitutes a new version or a different format seems > > to be a matter of terminology, however semantically and implementation > > wise the intent is clear. If it's necessary the field could be renamed > > "version/format" > It is not a version; I think that's at least part of the problem. It's a > type or kind, but version implies that V0 is superceded by V1, which may > or may not be backward compatible with V0. > > Joe > >
- [Int-area] I-D Action: draft-ietf-intarea-gue-04.… internet-drafts
- [Int-area] Is the UDP destination port number res… Xuxiaohu
- Re: [Int-area] Is the UDP destination port number… Tom Herbert
- Re: [Int-area] Is the UDP destination port number… Joe Touch
- Re: [Int-area] I-D Action: draft-ietf-intarea-gue… Joe Touch
- [Int-area] 答复: Is the UDP destination port number… Xuxiaohu
- Re: [Int-area] 答复: Is the UDP destination port nu… Joe Touch
- [Int-area] 答复: 答复: Is the UDP destination port nu… Xuxiaohu
- Re: [Int-area] 答复: 答复: Is the UDP destination por… Joe Touch
- [Int-area] 答复: 答复: 答复: Is the UDP destination por… Xuxiaohu
- Re: [Int-area] 答复: Is the UDP destination port nu… Tom Herbert
- Re: [Int-area] 答复: 答复: 答复: Is the UDP destination… Tom Herbert
- Re: [Int-area] 答复: 答复: 答复: Is the UDP destination… Joe Touch
- Re: [Int-area] 答复: 答复: 答复: Is the UDP destination… Tom Herbert
- Re: [Int-area] 答复: 答复: 答复: Is the UDP destination… Joe Touch
- [Int-area] 答复: 答复: 答复: 答复: Is the UDP destination… Xuxiaohu
- [Int-area] 答复: 答复: Is the UDP destination port nu… Xuxiaohu
- Re: [Int-area] 答复: 答复: 答复: 答复: Is the UDP destina… Tom Herbert
- Re: [Int-area] 答复: 答复: 答复: 答复: Is the UDP destina… Joe Touch
- Re: [Int-area] 答复: 答复: 答复: 答复: Is the UDP destina… Tom Herbert
- Re: [Int-area] 答复: 答复: 答复: 答复: Is the UDP destina… Joe Touch
- Re: [Int-area] 答复: 答复: 答复: 答复: Is the UDP destina… Tom Herbert
- Re: [Int-area] 答复: 答复: 答复: 答复: Is the UDP destina… Joe Touch
- Re: [Int-area] 答复: 答复: 答复: 答复: Is the UDP destina… Joe Touch
- Re: [Int-area] 答复: 答复: 答复: 答复: Is the UDP destina… Templin, Fred L
- Re: [Int-area] 答复: 答复: 答复: 答复: Is the UDP destina… Tom Herbert
- Re: [Int-area] 答复: 答复: 答复: 答复: Is the UDP destina… Joe Touch
- Re: [Int-area] 答复: 答复: 答复: 答复: Is the UDP destina… Templin, Fred L
- [Int-area] 答复: 答复: 答复: 答复: 答复: Is the UDP destina… Xuxiaohu
- Re: [Int-area] 答复: 答复: 答复: 答复: Is the UDP destina… Tom Herbert
- Re: [Int-area] 答复: 答复: 答复: 答复: 答复: Is the UDP des… Tom Herbert
- Re: [Int-area] 答复: 答复: 答复: 答复: Is the UDP destina… Joe Touch