Re: [clouds] draft-yokota-cloud-service-mobility
Vishwas Manral <vishwas.ietf@gmail.com> Thu, 13 January 2011 17:24 UTC
Return-Path: <vishwas.ietf@gmail.com>
X-Original-To: clouds@core3.amsl.com
Delivered-To: clouds@core3.amsl.com
Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 4CE133A6B39 for <clouds@core3.amsl.com>; Thu, 13 Jan 2011 09:24:41 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -3.158
X-Spam-Level:
X-Spam-Status: No, score=-3.158 tagged_above=-999 required=5 tests=[AWL=0.441, BAYES_00=-2.599, RCVD_IN_DNSWL_LOW=-1]
Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id S+L5yH4UgAKK for <clouds@core3.amsl.com>; Thu, 13 Jan 2011 09:24:40 -0800 (PST)
Received: from mail-ew0-f44.google.com (mail-ew0-f44.google.com [209.85.215.44]) by core3.amsl.com (Postfix) with ESMTP id 0094028C0F7 for <clouds@ietf.org>; Thu, 13 Jan 2011 09:24:39 -0800 (PST)
Received: by ewy8 with SMTP id 8so1013402ewy.31 for <clouds@ietf.org>; Thu, 13 Jan 2011 09:27:02 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=bWH+s8CDpIN4ITAC3/1hVwimEtHFp209QrOC/FzBe3A=; b=Xea6FbjNdGZfq+L5nxw7oB0rcMTQ7EJTwEv94oEfNyfcdOMuaboppWolGq7CcmiK+7 wseXEzZMvTxeBzlPk8yRWVh8IxhcMVKRqEnQwVuEVDwIpzr9fHM5rxAP4G9OnCmzqKKB XAu7s2PvuM5nGDQQwAn0cmqEecmjnW9TD0saM=
DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=H3OlykvaTlypogY8VJIdpMFb/pWrxcjrfV3NxkfO5PxHfXxOElAdJdiL4CDoCLNOE0 cjhI4UYufB8X23s/XDmy693tTx9PTf7OnyqW0tkKyme6qQbg/gk0sAdUP9vZ7HPx6mAl 9YAk8F3awsGBE6ATL7cAsSoqT5Bz6oKULsQpo=
MIME-Version: 1.0
Received: by 10.216.27.202 with SMTP id e52mr2120005wea.75.1294939575771; Thu, 13 Jan 2011 09:26:15 -0800 (PST)
Received: by 10.216.139.219 with HTTP; Thu, 13 Jan 2011 09:26:15 -0800 (PST)
In-Reply-To: <4D2EE26C.9060604@kddilabs.jp>
References: <AANLkTimUgYk7FTi-F5kM_wfxmmG68ZCxKWHxKS_QR-Rk@mail.gmail.com> <AANLkTikau03aemQbaA_wFNZ5wS5NUNzhzqzGsKdTrbBF@mail.gmail.com> <4D2EE26C.9060604@kddilabs.jp>
Date: Thu, 13 Jan 2011 09:26:15 -0800
Message-ID: <AANLkTi=zmuF0P1gynaivDcSvt10GQooR-2LravEMNef9@mail.gmail.com>
From: Vishwas Manral <vishwas.ietf@gmail.com>
To: Hidetoshi Yokota <yokota@kddilabs.jp>
Content-Type: text/plain; charset="ISO-8859-1"
Content-Transfer-Encoding: quoted-printable
Cc: clouds@ietf.org
Subject: Re: [clouds] draft-yokota-cloud-service-mobility
X-BeenThere: clouds@ietf.org
X-Mailman-Version: 2.1.9
Precedence: list
List-Id: Clouds pre-BOF discussion list <clouds.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/listinfo/clouds>, <mailto:clouds-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/clouds>
List-Post: <mailto:clouds@ietf.org>
List-Help: <mailto:clouds-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/clouds>, <mailto:clouds-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 13 Jan 2011 17:24:41 -0000
Hi Hidetoshi-san, I would think TCP is a good option for this. PCE uses TCP too. Thanks, Vishwas 2011/1/13 Hidetoshi Yokota <yokota@kddilabs.jp>: > Hi Vishwas, > > Thanks again for your good input. > > (2011/01/12 11:17), Vishwas Manral wrote: >> Hi, >> >> Some other things I can think of are NACK's and retransmission of >> messages when no message is received. >> >> Also I assume the protocol will probably work over TCP. A prot number >> needs to be defined for the same. > > We haven't decided the transport protocol, yet. If it is TCP or SCTP, > then the retransmission procedure can be left to them, which I think > would be simpler than employing UDP. NACK-like message is definitely > needed when, for example, the requested operation cannot be performed. > Maybe, we should define the status code in the ACK message to convey > more detailed information. Port number is also definitely needed and > this I-D will request IANA to assign a specific one at a later stage. > > Regards, > -- > Hidetoshi > >> Thanks, >> Vishwas >> >> On Tue, Jan 11, 2011 at 5:26 PM, Vishwas Manral<vishwas.ietf@gmail.com> wrote: >>> Hi, >>> >>> I looked at the document and there are a few very basic things I >>> wanted to state that need to be added: >>> >>> 1. There needs to be a capability exchange from the Execution node to >>> the Manager node. >>> 2. Scalability issues will occur if keepalives all go to the manager >>> node. In my view there can be a heirarchy of keepalives. >>> 3. There should be a heirarchy of manager nodes too, considering the >>> number of Execution nodes that need to be managed. So there should be >>> a messaging exchange allowed between Manager and Manager node. >>> 4. All TLV and headers should have length of 16 bits atleast. 8 bits >>> is not scalable at all with the amount of information that is there. >>> 5. There needs to be authentication in the packets to provide some security. >>> 6. There needs to be async messaging allowed both from server to >>> client and client to server. >>> 7. There is already a PCE framework that exists. We need to look at >>> it. It is used for simialr purposes in a TE network. >>> >>> Thanks, >>> Vishwas >>> >> >> >> > >
- [clouds] draft-yokota-cloud-service-mobility Vishwas Manral
- Re: [clouds] draft-yokota-cloud-service-mobility Vishwas Manral
- Re: [clouds] draft-yokota-cloud-service-mobility Hidetoshi Yokota
- Re: [clouds] draft-yokota-cloud-service-mobility Hidetoshi Yokota
- Re: [clouds] draft-yokota-cloud-service-mobility Vishwas Manral
- Re: [clouds] draft-yokota-cloud-service-mobility Vishwas Manral
- Re: [clouds] draft-yokota-cloud-service-mobility Hidetoshi Yokota
- Re: [clouds] draft-yokota-cloud-service-mobility Vishwas Manral
- Re: [clouds] draft-yokota-cloud-service-mobility Vishwas Manral
- Re: [clouds] draft-yokota-cloud-service-mobility Hidetoshi Yokota
- Re: [clouds] draft-yokota-cloud-service-mobility Vishwas Manral
- Re: [clouds] draft-yokota-cloud-service-mobility Hidetoshi Yokota