IETF Logo Mail Archive

Re: [CCAMP] Poll on ODUFlex-related encoding

John E Drake <jdrake@juniper.net> Tue, 05 February 2013 22:38 UTC

Return-Path: <jdrake@juniper.net>
X-Original-To: ccamp@ietfa.amsl.com
Delivered-To: ccamp@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6A2ED21F8910 for <ccamp@ietfa.amsl.com>; Tue, 5 Feb 2013 14:38:33 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.087
X-Spam-Level:
X-Spam-Status: No, score=-2.087 tagged_above=-999 required=5 tests=[AWL=-0.620, BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4, SARE_RAND_6=2, UNRESOLVED_TEMPLATE=3.132]
Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id sE0A9vGxHs45 for <ccamp@ietfa.amsl.com>; Tue, 5 Feb 2013 14:38:33 -0800 (PST)
Received: from exprod7og123.obsmtp.com (exprod7og123.obsmtp.com [64.18.2.24]) by ietfa.amsl.com (Postfix) with ESMTP id E486A21F890D for <ccamp@ietf.org>; Tue, 5 Feb 2013 14:38:32 -0800 (PST)
Received: from P-EMHUB02-HQ.jnpr.net ([66.129.224.36]) (using TLSv1) by exprod7ob123.postini.com ([64.18.6.12]) with SMTP ID DSNKURGJ6Hfo6TNCuE+wxID1VteXDZrK0zJB@postini.com; Tue, 05 Feb 2013 14:38:32 PST
Received: from P-CLDFE01-HQ.jnpr.net (172.24.192.59) by P-EMHUB02-HQ.jnpr.net (172.24.192.36) with Microsoft SMTP Server (TLS) id 8.3.213.0; Tue, 5 Feb 2013 11:19:32 -0800
Received: from o365mail.juniper.net (207.17.137.224) by o365mail.juniper.net (172.24.192.59) with Microsoft SMTP Server id 14.1.355.2; Tue, 5 Feb 2013 11:19:31 -0800
Received: from ch1outboundpool.messaging.microsoft.com (216.32.181.185) by o365mail.juniper.net (207.17.137.224) with Microsoft SMTP Server (TLS) id 14.1.355.2; Tue, 5 Feb 2013 11:28:21 -0800
Received: from mail88-ch1-R.bigfish.com (10.43.68.241) by CH1EHSOBE001.bigfish.com (10.43.70.51) with Microsoft SMTP Server id 14.1.225.23; Tue, 5 Feb 2013 19:19:30 +0000
Received: from mail88-ch1 (localhost [127.0.0.1]) by mail88-ch1-R.bigfish.com (Postfix) with ESMTP id 4D76E3A011C for <ccamp@ietf.org.FOPE.CONNECTOR.OVERRIDE>; Tue, 5 Feb 2013 19:19:30 +0000 (UTC)
X-Forefront-Antispam-Report: CIP:157.56.240.101; KIP:(null); UIP:(null); (null); H:BL2PRD0510HT003.namprd05.prod.outlook.com; R:internal; EFV:INT
X-SpamScore: -21
X-BigFish: PS-21(zz1432Izz1ee6h1de0h1202h1e76h1d1ah1d2ahzz1033IL8275dhz2dh2a8h668h839h944hd25hf0ah1220h1288h12a5h12a9h12bdh137ah13b6h1441h1504h1537h153bh15d0h162dh1631h1758h18e1h1946h1155h)
Received: from mail88-ch1 (localhost.localdomain [127.0.0.1]) by mail88-ch1 (MessageSwitch) id 1360091967765063_9722; Tue, 5 Feb 2013 19:19:27 +0000 (UTC)
Received: from CH1EHSMHS034.bigfish.com (snatpool3.int.messaging.microsoft.com [10.43.68.229]) by mail88-ch1.bigfish.com (Postfix) with ESMTP id A478730004A; Tue, 5 Feb 2013 19:19:27 +0000 (UTC)
Received: from BL2PRD0510HT003.namprd05.prod.outlook.com (157.56.240.101) by CH1EHSMHS034.bigfish.com (10.43.70.34) with Microsoft SMTP Server (TLS) id 14.1.225.23; Tue, 5 Feb 2013 19:19:26 +0000
Received: from BL2PRD0510MB349.namprd05.prod.outlook.com ([169.254.1.182]) by BL2PRD0510HT003.namprd05.prod.outlook.com ([10.255.100.38]) with mapi id 14.16.0263.000; Tue, 5 Feb 2013 19:19:25 +0000
From: John E Drake <jdrake@juniper.net>
To: "Zafar Ali (zali)" <zali@cisco.com>, Fatai Zhang <zhangfatai@huawei.com>, Lou Berger <lberger@labn.net>
Thread-Topic: [CCAMP] Poll on ODUFlex-related encoding
Thread-Index: AQHOAJZIp0Jrhhyhc0msDaQa8E07uZhlyPMAgAPtjoCAATW8AIAAuNSAgAAEd7A=
Date: Tue, 05 Feb 2013 19:19:25 +0000
Message-ID: <0182DEA5604B3A44A2EE61F3EE3ED69E145055F2@BL2PRD0510MB349.namprd05.prod.outlook.com>
References: <F82A4B6D50F9464B8EBA55651F541CF83585B3CE@SZXEML552-MBX.china.huawei.com> <B6585D85A128FD47857D0FD58D8120D3B3CCD0@xmb-rcd-x14.cisco.com>
In-Reply-To: <B6585D85A128FD47857D0FD58D8120D3B3CCD0@xmb-rcd-x14.cisco.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-originating-ip: [66.129.224.52]
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn%
X-FOPE-CONNECTOR: Id%12219$Dn%CISCO.COM$RO%2$TLS%5$FQDN%onpremiseedge-1018244.customer.frontbridge.com$TlsDn%o365mail.juniper.net
X-FOPE-CONNECTOR: Id%12219$Dn%HUAWEI.COM$RO%2$TLS%5$FQDN%onpremiseedge-1018244.customer.frontbridge.com$TlsDn%o365mail.juniper.net
X-FOPE-CONNECTOR: Id%12219$Dn%LABN.NET$RO%2$TLS%5$FQDN%onpremiseedge-1018244.customer.frontbridge.com$TlsDn%o365mail.juniper.net
X-FOPE-CONNECTOR: Id%12219$Dn%IETF.ORG$RO%2$TLS%5$FQDN%onpremiseedge-1018244.customer.frontbridge.com$TlsDn%o365mail.juniper.net
X-FOPE-CONNECTOR: Id%12219$Dn%TOOLS.IETF.ORG$RO%2$TLS%5$FQDN%onpremiseedge-1018244.customer.frontbridge.com$TlsDn%o365mail.juniper.net
Cc: CCAMP <ccamp@ietf.org>, "draft-ietf-ccamp-gmpls-ospf-g709v3@tools.ietf.org" <draft-ietf-ccamp-gmpls-ospf-g709v3@tools.ietf.org>, "draft-ietf-ccamp-gmpls-signaling-g709v3@tools.ietf.org" <draft-ietf-ccamp-gmpls-signaling-g709v3@tools.ietf.org>
Subject: Re: [CCAMP] Poll on ODUFlex-related encoding
X-BeenThere: ccamp@ietf.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: Discussion list for the CCAMP working group <ccamp.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ccamp>, <mailto:ccamp-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/ccamp>
List-Post: <mailto:ccamp@ietf.org>
List-Help: <mailto:ccamp-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ccamp>, <mailto:ccamp-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 05 Feb 2013 22:38:33 -0000

Snipped, comment inline

Irrespectively Yours,

John

> >    0             1             2             3
> >   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
> > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
> >  |  Signal Type  |       N       |        Reserved       |
> >  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
> >  |              NVC           |      Multiplier (MT)     |
> >  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
> >  |                      Bit_Rate                       |
> >  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
> 
> I just wonder are we not better off keeping Tolerance field in
> signaling and adding a statement in v7 that this field is hardcoded to
> 100ppm.
> 
> This has advantage of interworking with earlier draft implementations
> and is also flexible for various (future/ unknown) client signal types.
> I.e., we use the same encoding as defined thus far in the document
> (copying from
> v6):
> 
>       0                   1                   2                   3
>       0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
>      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>      |  Signal Type  |       N       |           Tolerance           |
>      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>      |              NVC              |        Multiplier (MT)        |
>      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>      |                            Bit_Rate                           |
>      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
> 
> And state that Tolerance MUST be set to 100 ppm.


JD: This is a very good idea.  'Per [G.874.1/2011] (or whatever is the correct reference) Tolerance MUST be set to 100 ppm.'

 
> 
> 
> Thanks
> 
> Regards...Zafar
> 
> ><snip>
> 
> _______________________________________________
> CCAMP mailing list
> CCAMP@ietf.org
> https://www.ietf.org/mailman/listinfo/ccamp

v2.29.0 | Report a Bug | By Email | System Status