From nobody Mon May 18 01:05:05 2015 Return-Path: X-Original-To: bier@ietfa.amsl.com Delivered-To: bier@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B21691A8783 for ; Mon, 18 May 2015 01:05:03 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -12.612 X-Spam-Level: X-Spam-Status: No, score=-12.612 tagged_above=-999 required=5 tests=[BAYES_40=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8q6a51MHuR1C for ; Mon, 18 May 2015 01:05:00 -0700 (PDT) Received: from aer-iport-3.cisco.com (aer-iport-3.cisco.com [173.38.203.53]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 5CFBD1A878E for ; Mon, 18 May 2015 01:04:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=919; q=dns/txt; s=iport; t=1431936299; x=1433145899; h=from:content-transfer-encoding:subject:message-id:date: to:mime-version; bh=49lf6niSCK+1UZJsORnutKASbmKGNV9mqfOtAuYA1II=; b=b2aVKDuLYNNdpVDh4HVzWilBCSgiQmNqs+zWouQioHpJppwSbOvsUYIO tnZ7QGHgAL90NViX0kOKQaxTZ+NBzop1MSzDtgmuNQM+Gn2xJ11SWsjTb J0aSpDrBbAveDjRSBNyV3nFS+FrpBxa7OfjnUoxl0cmE4iSyMqykxLNTB c=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A0CFBAChnFlV/xbLJq1ch1+vPwEFAYEEkHUJiS0UAQEBAQEBAYEKhEyBAwgCJgJLFIg/o1uPV6QsAQEBAQYBAQEBAQEBG4EhhHWNGC+BFgWZU4QAln0jYYEFghM8gTQHgTwBAQE X-IronPort-AV: E=Sophos;i="5.13,452,1427760000"; d="scan'208";a="477868096" Received: from aer-iport-nat.cisco.com (HELO aer-core-3.cisco.com) ([173.38.203.22]) by aer-iport-3.cisco.com with ESMTP; 18 May 2015 08:04:57 +0000 Received: from ams-iwijnand-8819.cisco.com (ams-iwijnand-8819.cisco.com [10.60.202.90]) by aer-core-3.cisco.com (8.14.5/8.14.5) with ESMTP id t4I84umO009728 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 18 May 2015 08:04:57 GMT From: IJsbrand Wijnands Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Message-Id: <82D8F867-A11F-47AF-AF20-6B266C17EFB0@cisco.com> Date: Mon, 18 May 2015 10:05:08 +0200 To: BIER Mime-Version: 1.0 (Mac OS X Mail 8.1 \(1993\)) X-Mailer: Apple Mail (2.1993) Archived-At: Subject: [Bier] Supported BIER BitString length X-BeenThere: bier@ietf.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "\"Bit Indexed Explicit Replication discussion list\"" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 May 2015 08:05:03 -0000 Hi Folks, This goes back to a comment I made at the mic during the first BIER WG = meeting. The current focus is to support a BitString length of 256, and it looks = like all vendors participating will be able to support this value. = However, it does seem useful to support lower values in case a network = has fewer edge nodes then 256. If a network has no more than 64, why = send a BitMask length of 256? Also, if in the future routers will = support higher value than 256, say 512, its useful that these routers = support 256 in order to be interoperable with older routers. What I=E2=80=99m suggesting is modify the BIER architecture draft to = make it mandatory for a BIER router to support all possible value = BitString lengths, below its maximum, as defined in the architecture = draft. This does not have to be on by default, but enabled by = configuration. Comments? Thx, Ice. From nobody Mon May 18 15:05:15 2015 Return-Path: X-Original-To: bier@ietfa.amsl.com Delivered-To: bier@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5E32D1ACD90 for ; Mon, 18 May 2015 15:05:14 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -101.701 X-Spam-Level: X-Spam-Status: No, score=-101.701 tagged_above=-999 required=5 tests=[BAYES_40=-0.001, HTML_MESSAGE=0.001, J_CHICKENPOX_22=0.6, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, USER_IN_WHITELIST=-100] autolearn=ham Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id mIPj00Q7kbOf for ; Mon, 18 May 2015 15:05:12 -0700 (PDT) Received: from usevmg20.ericsson.net (usevmg20.ericsson.net [198.24.6.45]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 193301ACD8B for ; Mon, 18 May 2015 15:05:12 -0700 (PDT) X-AuditID: c618062d-f79a96d000007fb1-6c-555a0983962f Received: from EUSAAHC003.ericsson.se (Unknown_Domain [147.117.188.81]) by usevmg20.ericsson.net (Symantec Mail Security) with SMTP id 86.38.32689.3890A555; Mon, 18 May 2015 17:47:15 +0200 (CEST) Received: from EUSAAMB103.ericsson.se ([147.117.188.120]) by EUSAAHC003.ericsson.se ([147.117.188.81]) with mapi id 14.03.0210.002; Mon, 18 May 2015 18:05:10 -0400 From: Gregory Mirsky To: "draft-ietf-bier-mpls-encapsulation@tools.ietf.org" , "draft-kumarzheng-bier-ping@tools.ietf.org" , "Nobo Akiya (nobo.akiya.dev@gmail.com)" Thread-Topic: Updates to BIER MPLS Encapsulation document Thread-Index: AdCRtpwqzoqyT1u7Qmatavc0VIlTIw== Date: Mon, 18 May 2015 22:05:09 +0000 Message-ID: <7347100B5761DC41A166AC17F22DF1121B9A18AE@eusaamb103.ericsson.se> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [147.117.188.10] Content-Type: multipart/alternative; boundary="_000_7347100B5761DC41A166AC17F22DF1121B9A18AEeusaamb103erics_" MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrPLMWRmVeSWpSXmKPExsUyuXRPoG4zZ1SowdFjYhZLZ+xhspjb0sJm 8fj1SWaLJ+fesTiweOycdZfdY8mSn0weXy5/ZgtgjuKySUnNySxLLdK3S+DK2LjkCVvB0dCK OYevszQwHvXqYuTgkBAwkVh1RLqLkRPIFJO4cG89WxcjF4eQwFFGiYO/70M5yxklNuxZzwpS xSZgJPFiYw87SEJEYAKTxK7lB9lAEswCWhLT125mAZkqDDT12EUmkLCIgKXEk7et7BC2nsSf NYfB4iwCqhKvW56wgNi8Ar4Sp3a+AZvPCHTF91NrmCBGikvcejKfCeI6AYkle84zQ9iiEi8f /2OFsJUkJi09xwpRny/x6uMRJoiZghInZz5hmcAoPAvJqFlIymYhKYOI60gs2P2JDcLWlli2 8DUzjH3mwGMmZPEFjOyrGDlKi1PLctONDDYxAmPomASb7g7GPS8tDzEKcDAq8fA+mBcRKsSa WFZcmXuIUZqDRUmc95thSKiQQHpiSWp2ampBalF8UWlOavEhRiYOTqkGxu7Xr7jWsq9kPjFn lX7LEfYVat8Y6heuzdrZU3XT4qZQ5zSepR69Afls905uPbwvVEeuRaGZV3PVinkqgb++Sjw/ 2v7+Q3fAzI2Fc51l3hYeKtrx7//OKQ+j3rxlK2oRYzOT2TrvBcMq1hz2mvLK2p27uVWuTlze 1vdnc9/my8/YS3Y6fC60K1ZiKc5INNRiLipOBADrKyn4ggIAAA== Archived-At: Cc: "BIER \(bier@ietf.org\)" Subject: [Bier] Updates to BIER MPLS Encapsulation document X-BeenThere: bier@ietf.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "\"Bit Indexed Explicit Replication discussion list\"" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 May 2015 22:05:14 -0000 --_000_7347100B5761DC41A166AC17F22DF1121B9A18AEeusaamb103erics_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Dear Authors, et.al, in Dallas we had good discussion of BIER Ping and Traceroute work. We, auth= ors of the BIER Ping, believe that OAM payload definition is more in place = in the draft-ietf-bier-mpls-encapsulation rather than in draft-kumarzheng-b= ier-ping. If you would kindly add OAM to list of Protocol values defined in= the BIER Encapsulation draft, then we'll gladly reference it in BIER Ping = and other BIER OAM docs. And couple comments: * noticed that list of protocol values is not consecutive - 1, 2, 3= , 4, ..., 6 (5 is not used); * I think that "This document has no actions for IANA." is not accu= rate as the BIER Encap draft does define set of Protocol values. * BIER Header has Reserved field of 16 bits long. Would you kindly = consider splitting it and creating 8 bit-long Flags field, obviously mainta= ined by IANA through a new sub-registry, and thus leaving 8 bits in the Res= erved field for any possible use in the future? At least two-bit flags woul= d be used by passive performance, loss and delay, measurement method known = as marking. Your comments, questions always greatly appreciated. Regards, Greg --_000_7347100B5761DC41A166AC17F22DF1121B9A18AEeusaamb103erics_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Dear Authors, et.al,

in Dallas we had good discussion of BIER Ping and Tr= aceroute work. We, authors of the BIER Ping, believe that OAM payload defin= ition is more in place in the draft-ietf-bier-mpls-encapsulation rather tha= n in draft-kumarzheng-bier-ping. If you would kindly add OAM to list of Protocol values defined in the BIER En= capsulation draft, then we’ll gladly reference it in BIER Ping and ot= her BIER OAM docs.

And couple comments:

·         noticed that list of protocol values is not = consecutive – 1, 2, 3, 4, …, 6 (5 is not used);

·         I think that “This document has no act= ions for IANA.” is not accurate as the BIER Encap draft does define s= et of Protocol values.

·         BIER Header has Reserved field of 16 bits lo= ng. Would you kindly consider splitting it and creating 8 bit-long Flags fi= eld, obviously maintained by IANA through a new sub-registry, and thus leav= ing 8 bits in the Reserved field for any possible use in the future? At least two-bit flags would be used b= y passive performance, loss and delay, measurement method known as marking.=

 

Your comments, questions always greatly appreciated.=

 

        &nbs= p;       Regards,

        &nbs= p;            &= nbsp;          Greg=

 

--_000_7347100B5761DC41A166AC17F22DF1121B9A18AEeusaamb103erics_-- From nobody Tue May 19 01:30:13 2015 Return-Path: X-Original-To: bier@ietfa.amsl.com Delivered-To: bier@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 937BC1A1A97 for ; Tue, 19 May 2015 01:30:12 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -13.911 X-Spam-Level: X-Spam-Status: No, score=-13.911 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, J_CHICKENPOX_22=0.6, RCVD_IN_DNSWL_HI=-5, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id tFRXLoUy0Xha for ; Tue, 19 May 2015 01:30:11 -0700 (PDT) Received: from aer-iport-2.cisco.com (aer-iport-2.cisco.com [173.38.203.52]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C304D1A1A72 for ; Tue, 19 May 2015 01:30:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=1683; q=dns/txt; s=iport; t=1432024210; x=1433233810; h=mime-version:subject:from:in-reply-to:date:cc: content-transfer-encoding:message-id:references:to; bh=8Zv2CXe+6QmFbhBs5/kv8klXQCImz3pQy7Bl1zbbtdQ=; b=M6BI+8dla8wBDYbeJrhl6T3K6MmfYct9rKV4GBO8LySIguoZNtu45fTj /QecbpYwJ2HBja8/hIqtLQMm37u5r4BmfAXAN2F9Ng56mS7D19QT5UspD v/pOYtJ8/hJZ4ZkonYxxqtoS7ztH7dns7tDCpiDXf6h8SX31GpedPcjW8 E=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A0CnBAB281pV/xbLJq1cg2Regx6vYQEBAQEBAQUBgQSQdwmBTwqFdgKBcBQBAQEBAQEBgQqEIgEBAQMBAQEBIEsLBQsLGAICJgICJzAGE4gkCA2yf6RCAQEBAQEBAQEBAQEBAQEBAQEBAQEBEwSBIYR1hSSEUjMHgmgvgRYFkDCNOQGBJpIPg1kjYYMZPDGCRgEBAQ X-IronPort-AV: E=Sophos;i="5.13,456,1427760000"; d="scan'208";a="485883561" Received: from aer-iport-nat.cisco.com (HELO aer-core-1.cisco.com) ([173.38.203.22]) by aer-iport-2.cisco.com with ESMTP; 19 May 2015 08:30:08 +0000 Received: from ams-iwijnand-8819.cisco.com (ams-iwijnand-8819.cisco.com [10.60.202.90]) by aer-core-1.cisco.com (8.14.5/8.14.5) with ESMTP id t4J8U661016335 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 19 May 2015 08:30:08 GMT Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 8.1 \(1993\)) From: IJsbrand Wijnands In-Reply-To: <7347100B5761DC41A166AC17F22DF1121B9A18AE@eusaamb103.ericsson.se> Date: Tue, 19 May 2015 10:30:19 +0200 Content-Transfer-Encoding: quoted-printable Message-Id: References: <7347100B5761DC41A166AC17F22DF1121B9A18AE@eusaamb103.ericsson.se> To: Gregory Mirsky X-Mailer: Apple Mail (2.1993) Archived-At: Cc: "draft-kumarzheng-bier-ping@tools.ietf.org" , "draft-ietf-bier-mpls-encapsulation@tools.ietf.org" , "Nobo Akiya \(nobo.akiya.dev@gmail.com\)" , "BIER \(bier@ietf.org\)" Subject: Re: [Bier] Updates to BIER MPLS Encapsulation document X-BeenThere: bier@ietf.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "\"Bit Indexed Explicit Replication discussion list\"" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 May 2015 08:30:12 -0000 Thanks Greg, All good points. I=E2=80=99ll work with Eric to get this incorporated into the MPLS encap = doc. Ice. > On 19 May 2015, at 00:05, Gregory Mirsky = wrote: >=20 > Dear Authors, et.al, > in Dallas we had good discussion of BIER Ping and Traceroute work. We, = authors of the BIER Ping, believe that OAM payload definition is more in = place in the draft-ietf-bier-mpls-encapsulation rather than in = draft-kumarzheng-bier-ping. If you would kindly add OAM to list of = Protocol values defined in the BIER Encapsulation draft, then we=E2=80=99l= l gladly reference it in BIER Ping and other BIER OAM docs. > And couple comments: > =C2=B7 noticed that list of protocol values is not consecutive = =E2=80=93 1, 2, 3, 4, =E2=80=A6, 6 (5 is not used); > =C2=B7 I think that =E2=80=9CThis document has no actions for = IANA.=E2=80=9D is not accurate as the BIER Encap draft does define set = of Protocol values. > =C2=B7 BIER Header has Reserved field of 16 bits long. Would = you kindly consider splitting it and creating 8 bit-long Flags field, = obviously maintained by IANA through a new sub-registry, and thus = leaving 8 bits in the Reserved field for any possible use in the future? = At least two-bit flags would be used by passive performance, loss and = delay, measurement method known as marking. > =20 > Your comments, questions always greatly appreciated. > =20 > Regards, > Greg > =20 > _______________________________________________ > BIER mailing list > BIER@ietf.org > https://www.ietf.org/mailman/listinfo/bier