RE: [EME] First cut at eme requirements
"Paul Francis" <francis@cs.cornell.edu> Tue, 05 December 2006 16:31 UTC
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Subject: RE: [EME] First cut at eme requirements
Date: Tue, 05 Dec 2006 11:31:19 -0500
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Thread-Topic: [EME] First cut at eme requirements
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From: Paul Francis <francis@cs.cornell.edu>
To: Rémi Després <remi.despres@wanadoo.fr>
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Do you find Scott's definition to be insufficient or too involved? (Repeated here for convenience) A middlebox refers to a network element which involves itself in communication between endpoints by performing functions apart from standard functions of an IP router. A middlebox may keep per-flow state or may be stateless. Like endpoints, middleboxes may also have local policy governing which endpoints may communicate over the particular network. PF ________________________________ From: Rémi Després [mailto:remi.despres@wanadoo.fr] Sent: Tuesday, December 05, 2006 5:05 AM To: Paul Francis Cc: Scott W Brim; eme Subject: Re: [EME] First cut at eme requirements I wonder whether an easy characterization of EME middleboxes couldn't be that they may modify IP packets. ("IP Packets" are no longer E2E. Only part of their semantics is.) RD Paul Francis wrote : These are all reasonable comments...happy to incorporate them in the next revision. PF -----Original Message----- From: Scott W Brim [mailto:swb@employees.org] Sent: Tuesday, November 28, 2006 2:39 PM To: Paul Francis Cc: eme Subject: Re: [EME] First cut at eme requirements On 11/28/2006 10:30 AM, Paul Francis wrote: Middlebox: A middlebox refers to a network element assisting endpoints to communicate through that network. A middlebox may keep per-flow state or may be stateless. Like endpoints, middleboxes may also have local policy governing which endpoints may communicate over the particular network. This isn't an easy definition. Not all middleboxes "assist" communication -- some either restrict it or allow it. Also I believe we want to exclude routers from the definition. Finally, some middleboxes are pure control, some are pure data plane, some are mixed. What about pure policy boxes? _______________________________________________ EME mailing list EME@irtf.org https://www1.ietf.org/mailman/listinfo/eme
- [EME] First cut at eme requirements Paul Francis
- Re: [EME] First cut at eme requirements Stephen Farrell
- RE: [EME] First cut at eme requirements Paul Francis
- Re: [EME] First cut at eme requirements Scott W Brim
- Re: [EME] First cut at eme requirements Mark Baugher
- RE: [EME] First cut at eme requirements Paul Francis
- RE: [EME] First cut at eme requirements Paul Francis
- Re: [EME] First cut at eme requirements Mark Baugher
- Re: [EME] First cut at eme requirements Rémi Després
- RE: [EME] First cut at eme requirements Paul Francis
- RE: [EME] First cut at eme requirements Paul Francis
- Re: [EME] First cut at eme requirements Rémi Després
- Re: [EME] First cut at eme requirements Mark Baugher
- Re: [EME] First cut at eme requirements Saikat Guha