Re: [Uri-review] [Fwd: [BEHAVE] Last Call: draft-ietf-behave-turn-uri(Traversal Using Relays around NAT (TURN) Uniform Resource Identifiers)to Proposed Standard]
"Dan Wing" <dwing@cisco.com> Fri, 16 October 2009 01:02 UTC
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From: Dan Wing <dwing@cisco.com>
To: 'Ted Hardie' <ted.ietf@gmail.com>, 'Magnus Westerlund' <magnus.westerlund@ericsson.com>
References: <4AD7387A.7060901@ericsson.com> <6e04e83a0910151433y2007a015ia77a407e702a3841@mail.gmail.com>
Date: Thu, 15 Oct 2009 18:03:00 -0700
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Cc: draft-ietf-behave-turn-uri@tools.ietf.org, uri-review@ietf.org, ietf@ietf.org, app-ads@tools.ietf.org
Subject: Re: [Uri-review] [Fwd: [BEHAVE] Last Call: draft-ietf-behave-turn-uri(Traversal Using Relays around NAT (TURN) Uniform Resource Identifiers)to Proposed Standard]
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> -----Original Message----- > From: ietf-bounces@ietf.org [mailto:ietf-bounces@ietf.org] On > Behalf Of Ted Hardie > Sent: Thursday, October 15, 2009 2:34 PM > To: Magnus Westerlund > Cc: uri-review@ietf.org; ietf@ietf.org; app-ads@tools.ietf.org > Subject: Re: [Uri-review] [Fwd: [BEHAVE] Last Call: > draft-ietf-behave-turn-uri(Traversal Using Relays around NAT > (TURN) Uniform Resource Identifiers)to Proposed Standard] > > Howdy, > > I do not believe this document is ready for publication, as I believe > the URI scheme documentation needs work. As it stands now, the > scheme-specific processing required for this scheme is so great that I > believe a standard URI parser will not work with the scheme as it is > intended. Looking, for example, at the CPAN module PERL::URI, the > operation of the standard behavior for path and port seem likely to > work contrary to this scheme's intention. I also could not follow the > details of how this would work in relation to a DDDS remote hosting > option, as mentioned in section 1, and I believe that more descriptive > text may be required. > > One area of particular concern is this: > > "The URI resolution algorithm uses <scheme>, <host>, <port> and > <transport> as input. It also uses as input a list ordered by > preference of TURN transports (UDP, TCP, TLS) supported by the > application using the TURN client. The output of the > algorithm is a > list of {IP address, transport, port} tuples that a TURN client can > try in order to create an allocation on a TURN server." > > Having a URI resolution method rely on a preference order associated > with a calling application seems very fragile. There seems > to be no way > to guarantee that the information on calling application > would be preserved in > passing the URI to a parser. If this input list is required, > I suspect that > that it must be noted within a URI parameter to avoid > unexpected or incorrect > results. Thanks for your review comments. > Since this mechanism involves a fairly distinctive URI resolution > mechanism, I suggest that this document also be reviewed by the URI > mailing list, in addition to URI-review. It seems more likely to be > able to discuss how to best meet the requirements expressed within a > URI syntax more likely to be handled correctly by parsers already > deployed. I requested review by uri-review on 30-JUL-2009, per your earlier suggestion. However, we received no review comments from that request, which was mentioned in the PROTO write-up for this document. This is my only experience with uri-review; it was easy and painless, because we received no comments. Somebody please shake the tree that is uri-review so that we can progress this document. -d > regards, > > Ted Hardie > > On Thu, Oct 15, 2009 at 7:58 AM, Magnus Westerlund > <magnus.westerlund@ericsson.com> wrote: > > Hi, > > > > As responsible AD I would really appreciate an URI review of the two > > proposed URI schemes. > > > > Thanks > > > > Magnus Westerlund > > > > IETF Transport Area Director > > > ---------------------------------------------------------------------- > > Multimedia Technologies, Ericsson Research EAB/TVM > > > ---------------------------------------------------------------------- > > Ericsson AB | Phone +46 10 7148287 > > Färögatan 6 | Mobile +46 73 0949079 > > SE-164 80 Stockholm, Sweden| mailto: magnus.westerlund@ericsson.com > > > ---------------------------------------------------------------------- > > > > The IESG has received a request from the Behavior Engineering for > > Hindrance Avoidance WG (behave) to consider the following document: > > > > - 'Traversal Using Relays around NAT (TURN) Uniform > Resource Identifiers ' > > <draft-ietf-behave-turn-uri-03.txt> as a Proposed Standard > > > > The IESG plans to make a decision in the next few weeks, > and solicits > > final comments on this action. Please send substantive > comments to the > > ietf@ietf.org mailing lists by 2009-10-29. Exceptionally, > > comments may be sent to iesg@ietf.org instead. In either > case, please > > retain the beginning of the Subject line to allow automated sorting. > > > > The file can be obtained via > > > http://www.ietf.org/internet-drafts/draft-ietf-behave-turn-uri-03.txt > > > > > > IESG discussion can be tracked via > > > https://datatracker.ietf.org/public/pidtracker.cgi?command=vie > w_id&dTag=18080&rfc_flag=0 > > > > _______________________________________________ > > Behave mailing list > > Behave@ietf.org > > https://www.ietf.org/mailman/listinfo/behave > > > > > > _______________________________________________ > > Uri-review mailing list > > Uri-review@ietf.org > > https://www.ietf.org/mailman/listinfo/uri-review > > > > > _______________________________________________ > Ietf mailing list > Ietf@ietf.org > https://www.ietf.org/mailman/listinfo/ietf
- [Uri-review] [Fwd: [BEHAVE] Last Call: draft-ietf… Magnus Westerlund
- Re: [Uri-review] [Fwd: [BEHAVE] Last Call: draft-… Ted Hardie
- Re: [Uri-review] [Fwd: [BEHAVE] Last Call: draft-… Dan Wing
- Re: [Uri-review] [Fwd: [BEHAVE] Last Call: draft-… Ted Hardie
- Re: [Uri-review] [Fwd: [BEHAVE] Last Call: draft-… Ted Hardie
- Re: [Uri-review] [Fwd: [BEHAVE] Last Call: draft-… Magnus Westerlund
- Re: [Uri-review] [Fwd: [BEHAVE] Last Call: draft-… Marc Petit-Huguenin
- Re: [Uri-review] [Fwd: [BEHAVE] Last Call: draft-… Marc Petit-Huguenin
- Re: [Uri-review] [Fwd: [BEHAVE] Last Call: draft-… Ted Hardie
- Re: [Uri-review] [Fwd: [BEHAVE] Last Call: draft-… Ted Hardie
- Re: [Uri-review] [Fwd: [BEHAVE] Last Call: draft-… Magnus Westerlund
- Re: [Uri-review] [Fwd: [BEHAVE] Last Call: draft-… Marc Petit-Huguenin
- Re: [Uri-review] [Fwd: [BEHAVE] Last Call: draft-… Marc Petit-Huguenin
- Re: [Uri-review] [Fwd: [BEHAVE] Last Call: draft-… Marc Petit-Huguenin
- Re: [Uri-review] [Fwd: [BEHAVE] Last Call: draft-… Andrew Newton
- Re: [Uri-review] [Fwd: [BEHAVE] Last Call: draft-… Andrew Newton