Re: [RAM] Different approaches for different protocols
Dino Farinacci <dino@cisco.com> Thu, 20 December 2007 01:35 UTC
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From: Dino Farinacci <dino@cisco.com>
To: RJ Atkinson <rja@extremenetworks.com>
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Subject: Re: [RAM] Different approaches for different protocols
Date: Wed, 19 Dec 2007 17:35:16 -0800
References: <8FE686E6-D352-4324-88CC-2C9EC26A5871@extremenetworks.com> <564A8854-E859-4CAE-B299-9343FF6A7E16@cisco.com> <74502AEC-7B9C-456F-AE77-0A81A204A01E@extremenetworks.com>
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> On 19 Dec 2007, at 15:32, Dino Farinacci wrote: >>> So I would suggest that folks think about IPv4 and IPv6 solution >>> approaches separately. For example, while one might want one of >>> the existing proposal for IPv4 (partly for expediency and partly >>> because IPv4 has more constraints), one might well want a different >>> more architecturally fundamental change for IPv6 (partly because >>> the protocol is more flexible due to extra bits in the header >>> and partly because we have more time to study, prototype, and >>> design a more elegant solution). >> >> So let me propose something: >> >> 1) For IPv4, use LISP encapsulation as spec'ed in the -05 draft. >> 2) For IPv6, use header address translation (of the high-order 8- >> bytes), >> spec that out as GSE++. >> 3) Have both use the same mapping database infrastructure. >> >> Comments? >> >> If we added 2) to the LISP draft would people be happy with that? > > > > Hmm. > > Suggestions: > > (A) I'd encourage keeping your concepts (1) and (2) separate, > in separate drafts and ideally with separate names, at least for now. > > (B) Separately, modularity and clean architecture would argue for > keeping the mapping database structure separately specified > from any other bits of protocol design. > > Rationale: > > For my first suggestion (A), I'll note that approach (1) above > might be used for both IPv4 and IPv6 (at least in theory), > while approach (2) above isn't obviously applicable to IPv4. > > For my second suggestion (B), one might use the currently proposed > LISP encapsulation, but with some alternative (not yet designed > or proposed) mapping database schema [or vice versa]. So keeping > things separate and modular seems beneficial all around for now. > > My two cents. > > Ran All good points, thanks. Dino _______________________________________________ RAM mailing list RAM@iab.org https://www1.ietf.org/mailman/listinfo/ram
- [RAM] Different approaches for different protocols RJ Atkinson
- Re: [RAM] Different approaches for different prot… Iljitsch van Beijnum
- Re: [RAM] Different approaches for different prot… Tony Li
- RE: [RAM] Different approaches for different prot… Templin, Fred L
- Re: [RAM] Different approaches for different prot… Scott Brim
- Re: [RAM] Different approaches for different prot… Dino Farinacci
- Re: [RAM] Different approaches for different prot… Dino Farinacci
- Re: [RAM] Different approaches for different prot… RJ Atkinson
- Re: [RAM] Different approaches for different prot… Tony Li
- Re: [RAM] Different approaches for different prot… Lixia Zhang
- Re: [RAM] Different approaches for different prot… Dino Farinacci
- Re: [RAM] Different approaches for different prot… Noel Chiappa