Re: [P2PSIP] time synchronization?
Roland Bless <roland.bless@kit.edu> Tue, 27 August 2013 09:44 UTC
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Date: Tue, 27 Aug 2013 11:44:17 +0200
From: Roland Bless <roland.bless@kit.edu>
Organization: Institute of Telematics, Karlsruhe Institute of Technology (KIT)
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To: "Songhaibin (A)" <haibin.song@huawei.com>
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Cc: "p2psip@ietf.org" <p2psip@ietf.org>
Subject: Re: [P2PSIP] time synchronization?
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Hi, On 14.08.2013 03:31, Songhaibin (A) wrote: > In –diagnostics draft, we have timestamp that is used by the > intermediate nodes to check if the message is expired or not. It raises > a problem of time synchronization. I think we need a decision from the > WG. We need careful consideration on how to use the timestamp because > time synchronization is a barrier in open Internet environment, while in > a managed environment, it may be less of a problem. Do we want to > enforce the time synchronization or do we want to lose the feature to > check the message expiration (and one-way-delay)? Please tell what you > are thinking about. As the base (RELOAD) draft doesn't require any time synchronization mechanism, I think, it's not useful to enforce the use of time synchronization in any other draft. IMHO it's obvious that you may have advantages if time synch is available; more important is how you could distinguish from the protocol if it's used or not. Regards, Roland
- [P2PSIP] time synchronization? Songhaibin (A)
- [P2PSIP] time synchronization? Songhaibin (A)
- Re: [P2PSIP] time synchronization? Roland Bless
- Re: [P2PSIP] time synchronization? Songhaibin (A)