Re: [tram] Suresh Krishnan's No Objection on draft-ietf-tram-turn-mobility-05: (with COMMENT)
"Tirumaleswar Reddy (tireddy)" <tireddy@cisco.com> Thu, 01 September 2016 04:11 UTC
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From: "Tirumaleswar Reddy (tireddy)" <tireddy@cisco.com>
To: Suresh Krishnan <suresh.krishnan@ericsson.com>, The IESG <iesg@ietf.org>
Thread-Topic: Suresh Krishnan's No Objection on draft-ietf-tram-turn-mobility-05: (with COMMENT)
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Date: Thu, 01 Sep 2016 04:11:04 +0000
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Cc: "sperreault@jive.com" <sperreault@jive.com>, "tram@ietf.org" <tram@ietf.org>, "draft-ietf-tram-turn-mobility@ietf.org" <draft-ietf-tram-turn-mobility@ietf.org>, "tram-chairs@ietf.org" <tram-chairs@ietf.org>
Subject: Re: [tram] Suresh Krishnan's No Objection on draft-ietf-tram-turn-mobility-05: (with COMMENT)
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> -----Original Message----- > From: Suresh Krishnan [mailto:suresh.krishnan@ericsson.com] > Sent: Thursday, September 1, 2016 9:15 AM > To: The IESG <iesg@ietf.org> > Cc: draft-ietf-tram-turn-mobility@ietf.org; Simon Perreault > <sperreault@jive.com>; tram-chairs@ietf.org; sperreault@jive.com; > tram@ietf.org > Subject: Suresh Krishnan's No Objection on draft-ietf-tram-turn-mobility-05: > (with COMMENT) > > Suresh Krishnan has entered the following ballot position for > draft-ietf-tram-turn-mobility-05: No Objection > > When responding, please keep the subject line intact and reply to all email > addresses included in the To and CC lines. (Feel free to cut this introductory > paragraph, however.) > > > Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html > for more information about IESG DISCUSS and COMMENT positions. > > > The document, along with other ballot positions, can be found here: > https://datatracker.ietf.org/doc/draft-ietf-tram-turn-mobility/ > > > > ---------------------------------------------------------------------- > COMMENT: > ---------------------------------------------------------------------- > > * Section 3 > > In the figure (without number/title) why is there an Allocate failure in the > second message? I could not find the associated text. Added title and number to figure, and associated text: In Figure 1, the client sends an Allocate request with an MOBILITY- TICKET attribute to the server without credentials. Since the server requires that all requests be authenticated using STUN's long-term credential mechanism, the server rejects the request with a 401 (Unauthorized) error code. The client then tries again, this time including credentials (not shown). This time, the server accepts the Allocate request and returns an Allocate success response and a ticket inside the MOBILITY-TICKET attribute. Sometime later, the client IP address changes and decides to refresh the allocation and thus sends a Refresh request to the server with MOBILITY-TICKET attribute containing the ticket it had received from the server. The refresh is accepted and the server replies with a Refresh success response and a new ticket inside the MOBILITY-TICKET attribute. > > * Section 3.2.1 > > The section on sending a Refresh when the IP address does not change needs > a little bit more tightening. Given that the server would reject the request with > a mobility ticket in this case, it would be good to put in an explicit restriction > to not add the mobility ticket in the following statement > > OLD: > If a client wants to refresh an existing allocation and update its time-to-expiry > or delete an existing allocation, it will send a Refresh Request as described in > Section 7.1 of [RFC5766] > > NEW: > If a client wants to refresh an existing allocation and update its time-to-expiry > or delete an existing allocation, it MUST send a Refresh Request as described > in Section 7.1 of [RFC5766] and MUST NOT include a MOBILITY-TICKET > attribute. Thanks, updated. -Tiru >
- [tram] Suresh Krishnan's No Objection on draft-ie… Suresh Krishnan
- Re: [tram] Suresh Krishnan's No Objection on draf… Tirumaleswar Reddy (tireddy)
- Re: [tram] Suresh Krishnan's No Objection on draf… Suresh Krishnan