From exim@www1.ietf.org Mon Nov 3 03:44:27 2003 Received: from optimus.ietf.org (ietf.org [132.151.1.19] (may be forged)) by ietf.org (8.9.1a/8.9.1a) with ESMTP id DAA23914 for ; Mon, 3 Nov 2003 03:44:27 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AGaJg-0006r5-8d for rmt-archive@odin.ietf.org; Mon, 03 Nov 2003 03:44:06 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hA38i4bW026345 for rmt-archive@odin.ietf.org; Mon, 3 Nov 2003 03:44:04 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AGaJf-0006qP-Sf for rmt-web-archive@optimus.ietf.org; Mon, 03 Nov 2003 03:44:03 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id DAA23894 for ; Mon, 3 Nov 2003 03:43:53 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AGaJd-00024Y-00 for rmt-web-archive@ietf.org; Mon, 03 Nov 2003 03:44:01 -0500 Received: from ietf.org ([132.151.1.19] helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1AGaJc-00024R-00 for rmt-web-archive@ietf.org; Mon, 03 Nov 2003 03:44:00 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AGaJd-0006ps-SY; Mon, 03 Nov 2003 03:44:01 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AGaJA-0006n4-FR for rmt@optimus.ietf.org; Mon, 03 Nov 2003 03:43:32 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id DAA23867 for ; Mon, 3 Nov 2003 03:43:22 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AGaJ7-00023b-00 for rmt@ietf.org; Mon, 03 Nov 2003 03:43:29 -0500 Received: from mx01.plaxo.com ([66.54.249.34] helo=mx.plaxo.com) by ietf-mx with smtp (Exim 4.12) id 1AGaJ7-00023Y-00 for rmt@ietf.org; Mon, 03 Nov 2003 03:43:29 -0500 Received: (qmail 25002 invoked from network); 3 Nov 2003 08:43:49 -0000 Received: from pas04.plaxo.com (10.1.0.5) by mx1.plaxo.com with QMQP; 3 Nov 2003 08:43:49 -0000 Received: from 12.233.59.41 by pas02.plaxo.com; 3 Nov 2003 08:38:21 -0000 Message-ID: <1067849029.25590.4349.sendUpdate@mx.plaxo.com> Date: 3 Nov 2003 08:43:49 -0000 From: "Michael Luby" To: "Rmt@ietf. org" Reply-to: "Plaxo Contact Update for Michael Luby" Precedence: bulk MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="_-------==308926981" Subject: [Rmt] Your contact info Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , This is a multi-part message in MIME format. --_-------==308926981 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Rmt@ietf. org, Please take a moment to reply to this email and make changes to your contact information. I'm sending my contact info to make sure you have an up to date copy. If you want, please respond as follows to this message: Instructions: 1. Download Plaxo and we will automatically stay in sync: http://www.plaxo.com/downloads --OR-- 1. Click REPLY 2. Check the contact info below - and if it isn't correct - just change it in the reply. 3. Send the reply message If everything looks correct, just reply with `no changes' in the message body. Thanks! ------ Name: Rmt@ietf. org Job Title: Company: Work E-mail: rmt@ietf.org Work Phone: Work Fax: Work Address Line 1: Work Address Line 2: Work City, State, Zip: Mobile Phone: Home E-mail: Home Phone: Home Fax: Home Address Line 1: Home Address Line 2: Home City, State, Zip: Birthday: P.S. I've included my Plaxo card below so that you have my current information. I've also attached a copy as a vCard. +----------------- | Michael Luby | luby@digitalfountain.com | CTO | | Digital Fountain | 39141 Civic Center Drive | Suite 300 | Fremont, CA 94538 | work: (510) 284-1436 | fax: (510) 284-1499 | web: http://www.digitalfountain.com +------------------------------------- ____________________________________________________________ This message was sent to you by luby@digitalfountain.com via Plaxo. To have Plaxo automatically handle these messages in the future, go to: http://www.plaxo.com/autoreply Plaxo's Privacy Policy: http://www.plaxo.com/support/privacy --_-------==308926981 Content-Type: text/x-vcard; charset=ISO-8859-1; name="Michael Luby.vcf" Content-Disposition: attachment; filename="Michael Luby.vcf" Content-Transfer-Encoding: 8bit BEGIN:VCARD VERSION:2.1 X-PLAXO-VERSION:1.0 N:Luby;Michael;;; FN:Michael Luby ORG:Digital Fountain TITLE:CTO ADR;WORK;ENCODING=QUOTED-PRINTABLE:;;39141 Civic Center Drive=0D=0ASuite 300=0D=0AFremont, CA 94538;;;; TEL;WORK;VOICE:(510) 284-1436 TEL;WORK;FAX:(510) 284-1499 EMAIL;PREF;INTERNET:luby@digitalfountain.com URL;WORK:http://www.digitalfountain.com END:VCARD --_-------==308926981-- _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Mon Nov 3 03:45:24 2003 Received: from optimus.ietf.org (ietf.org [132.151.1.19] (may be forged)) by ietf.org (8.9.1a/8.9.1a) with ESMTP id DAA23947 for ; Mon, 3 Nov 2003 03:45:24 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AGaKd-0006zb-DL for rmt-archive@odin.ietf.org; Mon, 03 Nov 2003 03:45:04 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hA38j3x9026873 for rmt-archive@odin.ietf.org; Mon, 3 Nov 2003 03:45:03 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AGaKc-0006zM-M8 for rmt-web-archive@optimus.ietf.org; Mon, 03 Nov 2003 03:45:02 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id DAA23940 for ; Mon, 3 Nov 2003 03:44:52 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AGaKa-00026y-00 for rmt-web-archive@ietf.org; Mon, 03 Nov 2003 03:45:00 -0500 Received: from ietf.org ([132.151.1.19] helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1AGaKZ-00026v-00 for rmt-web-archive@ietf.org; Mon, 03 Nov 2003 03:44:59 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AGaKb-0006x4-EV; Mon, 03 Nov 2003 03:45:01 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AGaJi-0006r8-6q for rmt@optimus.ietf.org; Mon, 03 Nov 2003 03:44:06 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id DAA23897 for ; Mon, 3 Nov 2003 03:43:56 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AGaJf-00024f-00 for rmt@ietf.org; Mon, 03 Nov 2003 03:44:03 -0500 Received: from postala.lbl.gov ([128.3.41.61]) by ietf-mx with esmtp (Exim 4.12) id 1AGaJe-000240-00 for rmt@ietf.org; Mon, 03 Nov 2003 03:44:03 -0500 Received: from postala.lbl.gov (localhost [127.0.0.1]) by postala.lbl.gov (8.12.10/8.12.10) with ESMTP id hA38hTEZ027066 for ; Mon, 3 Nov 2003 00:43:29 -0800 (PST) Received: from mx.plaxo.com (mx03.plaxo.com [66.54.249.36]) by postala.lbl.gov (8.12.10/8.12.10) with SMTP id hA38hQpE027055 for ; Mon, 3 Nov 2003 00:43:26 -0800 (PST) Received: (qmail 4436 invoked from network); 3 Nov 2003 08:43:49 -0000 Received: from unknown (10.1.0.5) by mx3.plaxo.com with QMQP; 3 Nov 2003 08:43:49 -0000 Received: from 12.233.59.41 by pas02.plaxo.com; 3 Nov 2003 08:38:21 -0000 Message-ID: <1067849029.25590.4350.sendUpdate@mx.plaxo.com> Date: 3 Nov 2003 08:43:49 -0000 From: "Michael Luby" To: "Rmt@Lbl. Gov" Reply-to: "Plaxo Contact Update for Michael Luby" Precedence: bulk MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="_-------==718198501" Subject: [Rmt] Your contact info Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , This is a multi-part message in MIME format. --_-------==718198501 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Rmt@Lbl. Gov, Please take a moment to reply to this email and make changes to your contact information. I'm sending my contact info to make sure you have an up to date copy. If you want, please respond as follows to this message: Instructions: 1. Download Plaxo and we will automatically stay in sync: http://www.plaxo.com/downloads --OR-- 1. Click REPLY 2. Check the contact info below - and if it isn't correct - just change it in the reply. 3. Send the reply message If everything looks correct, just reply with `no changes' in the message body. Thanks! ------ Name: Rmt@Lbl. Gov Job Title: Company: Work E-mail: rmt@lbl.gov Work Phone: Work Fax: Work Address Line 1: Work Address Line 2: Work City, State, Zip: Mobile Phone: Home E-mail: Home Phone: Home Fax: Home Address Line 1: Home Address Line 2: Home City, State, Zip: Birthday: P.S. I've included my Plaxo card below so that you have my current information. I've also attached a copy as a vCard. +----------------- | Michael Luby | luby@digitalfountain.com | CTO | | Digital Fountain | 39141 Civic Center Drive | Suite 300 | Fremont, CA 94538 | work: (510) 284-1436 | fax: (510) 284-1499 | web: http://www.digitalfountain.com +------------------------------------- ____________________________________________________________ This message was sent to you by luby@digitalfountain.com via Plaxo. To have Plaxo automatically handle these messages in the future, go to: http://www.plaxo.com/autoreply Plaxo's Privacy Policy: http://www.plaxo.com/support/privacy --_-------==718198501 Content-Type: text/x-vcard; charset=ISO-8859-1; name="Michael Luby.vcf" Content-Disposition: attachment; filename="Michael Luby.vcf" Content-Transfer-Encoding: 8bit BEGIN:VCARD VERSION:2.1 X-PLAXO-VERSION:1.0 N:Luby;Michael;;; FN:Michael Luby ORG:Digital Fountain TITLE:CTO ADR;WORK;ENCODING=QUOTED-PRINTABLE:;;39141 Civic Center Drive=0D=0ASuite 300=0D=0AFremont, CA 94538;;;; TEL;WORK;VOICE:(510) 284-1436 TEL;WORK;FAX:(510) 284-1499 EMAIL;PREF;INTERNET:luby@digitalfountain.com URL;WORK:http://www.digitalfountain.com END:VCARD --_-------==718198501-- _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Tue Nov 4 05:23:22 2003 Received: from optimus.ietf.org (ietf.org [132.151.1.19] (may be forged)) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA07164 for ; Tue, 4 Nov 2003 05:23:22 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AGyL3-0008Jz-4K for rmt-archive@odin.ietf.org; Tue, 04 Nov 2003 05:23:05 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hA4AN5Km031987 for rmt-archive@odin.ietf.org; Tue, 4 Nov 2003 05:23:05 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AGyL2-0008Jp-Se for rmt-web-archive@optimus.ietf.org; Tue, 04 Nov 2003 05:23:04 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA07146 for ; Tue, 4 Nov 2003 05:22:51 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AGyKz-0002TD-00 for rmt-web-archive@ietf.org; Tue, 04 Nov 2003 05:23:01 -0500 Received: from ietf.org ([132.151.1.19] helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1AGyKy-0002T8-00 for rmt-web-archive@ietf.org; Tue, 04 Nov 2003 05:23:00 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AGyKz-0008Im-5t; Tue, 04 Nov 2003 05:23:01 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AGyKI-0008Ef-QX for rmt@optimus.ietf.org; Tue, 04 Nov 2003 05:22:18 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA07091 for ; Tue, 4 Nov 2003 05:22:05 -0500 (EST) From: maziar.nekovee@bt.com Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AGyKF-0002SI-00 for rmt@ietf.org; Tue, 04 Nov 2003 05:22:15 -0500 Received: from [217.32.164.138] (helo=i2kc03-ukbr.domain1.systemhost.net) by ietf-mx with esmtp (Exim 4.12) id 1AGyKE-0002Rb-00 for rmt@ietf.org; Tue, 04 Nov 2003 05:22:14 -0500 Received: from i2km96-ukbr.domain1.systemhost.net ([193.113.197.84]) by i2kc03-ukbr.domain1.systemhost.net with Microsoft SMTPSVC(5.0.2195.6713); Tue, 4 Nov 2003 10:21:46 +0000 Received: from i2km11-ukbr.domain1.systemhost.net ([193.113.197.28]) by i2km96-ukbr.domain1.systemhost.net with Microsoft SMTPSVC(5.0.2195.6713); Tue, 4 Nov 2003 10:21:45 +0000 X-MimeOLE: Produced By Microsoft Exchange V6.0.6375.0 content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Date: Tue, 4 Nov 2003 10:21:45 -0000 Message-ID: <3E9A42D74663904099A09F89C598D757286644@i2km11-ukbr.domain1.systemhost.net> Thread-Topic: Rmt digest, Vol 1 #168 - 2 msgs Thread-Index: AcOiLBTWbSF7oLmqShGik0i746xRsQAj9JFg To: X-OriginalArrivalTime: 04 Nov 2003 10:21:45.0896 (UTC) FILETIME=[73087A80:01C3A2BD] Content-Transfer-Encoding: quoted-printable Subject: [Rmt] RE: Rmt digest, Vol 1 #168 - 2 msgs Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: quoted-printable Content-Transfer-Encoding: quoted-printable > Name: Maziar Nekovee > Job Title: Senior Research Scientists > Company: BT Exact, British Telecoms > Work E-mail: maziar.nekovee@bt.com > Work Phone: +44-1473-645470 > Work Fax: +44-1473-645470 > Work Address Line 1: Polaris 134 > Work Address Line 2: BT Exact > Work City, State, Zip: Martlesham, Suffolk IP5 3RE, UK > Mobile Phone:=20 >=20 > Home E-mail:=20 > Home Phone:=20 > Home Fax:=20 > Home Address Line 1:=20 > Home Address Line 2:=20 > Home City, State, Zip:=20 =20 ----------------------------------------------------- Dr Maziar Nekovee Complexity Research Group Polaris 134 BT Exact Martlesham, Suffolk IP5 3RE tel:+44-1473-645470 fax:+44-1473-642161 http://research.btexact.com/teralab/maziarnekovee.html > -----Original Message----- > From: rmt-request@ietf.org [mailto:rmt-request@ietf.org] > Sent: 03 November 2003 17:00 > To: rmt@ietf.org > Subject: Rmt digest, Vol 1 #168 - 2 msgs >=20 >=20 > Send Rmt mailing list submissions to > rmt@ietf.org >=20 > To subscribe or unsubscribe via the World Wide Web, visit > https://www1.ietf.org/mailman/listinfo/rmt > or, via email, send a message with subject or body 'help' to > rmt-request@ietf.org >=20 > You can reach the person managing the list at > rmt-admin@ietf.org >=20 > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Rmt digest..." >=20 >=20 > Today's Topics: >=20 > 1. Your contact info (Michael Luby) > 2. Your contact info (Michael Luby) >=20 > --__--__-- >=20 > Message: 1 > Date: 3 Nov 2003 08:43:49 -0000 > From: "Michael Luby" > To: "Rmt@ietf. org" > Reply-to: "Plaxo Contact Update for Michael Luby"=20 > > Subject: [Rmt] Your contact info >=20 > This is a multi-part message in MIME format. >=20 > --_-------=3D=3D308926981 > Content-Type: text/plain; charset=3DISO-8859-1 > Content-Transfer-Encoding: 8bit >=20 > Rmt@ietf. org, >=20 > Please take a moment to reply to this email and make changes to your > contact information. >=20 > I'm sending my contact info to make sure you have an up to date > copy. If you want, please respond as follows to this message: >=20 >=20 > Instructions: > 1. Download Plaxo and we will automatically stay in sync: > http://www.plaxo.com/downloads >=20 > --OR-- >=20 > 1. Click REPLY > 2. Check the contact info below - and if it isn't correct - just > change it in the reply. > 3. Send the reply message >=20 > If everything looks correct, just reply with `no changes' > in the message body. >=20 > Thanks! >=20 > ------ >=20 > Name: Rmt@ietf. org > Job Title:=20 > Company:=20 > Work E-mail: rmt@ietf.org > Work Phone:=20 > Work Fax:=20 > Work Address Line 1:=20 > Work Address Line 2:=20 > Work City, State, Zip:=20 > Mobile Phone:=20 >=20 > Home E-mail:=20 > Home Phone:=20 > Home Fax:=20 > Home Address Line 1:=20 > Home Address Line 2:=20 > Home City, State, Zip:=20 > Birthday:=20 >=20 >=20 > P.S. I've included my Plaxo card below so that you have my=20 > current information. I've also attached a copy as a vCard. >=20 > +----------------- > | Michael Luby > | luby@digitalfountain.com > | CTO > |=20 > | Digital Fountain > | 39141 Civic Center Drive > | Suite 300 > | Fremont, CA 94538 > | work: (510) 284-1436 > | fax: (510) 284-1499 > | web: http://www.digitalfountain.com > +------------------------------------- >=20 > ____________________________________________________________ > This message was sent to you by luby@digitalfountain.com > via Plaxo. To have Plaxo automatically handle these messages > in the future, go to: http://www.plaxo.com/autoreply >=20 > Plaxo's Privacy Policy: http://www.plaxo.com/support/privacy >=20 > --_-------=3D=3D308926981 > Content-Type: text/x-vcard; charset=3DISO-8859-1; name=3D"Michael=20 > Luby.vcf" > Content-Disposition: attachment; filename=3D"Michael Luby.vcf" > Content-Transfer-Encoding: 8bit >=20 > BEGIN:VCARD=20 > VERSION:2.1 > X-PLAXO-VERSION:1.0 > N:Luby;Michael;;; > FN:Michael Luby > ORG:Digital Fountain > TITLE:CTO > ADR;WORK;ENCODING=3DQUOTED-PRINTABLE:;;39141 Civic Center=20 > Drive=3D0D=3D0ASuite 300=3D0D=3D0AFremont, CA 94538;;;; > TEL;WORK;VOICE:(510) 284-1436 > TEL;WORK;FAX:(510) 284-1499 > EMAIL;PREF;INTERNET:luby@digitalfountain.com > URL;WORK:http://www.digitalfountain.com > END:VCARD >=20 > --_-------=3D=3D308926981-- >=20 >=20 >=20 >=20 >=20 > --__--__-- >=20 > Message: 2 > Date: 3 Nov 2003 08:43:49 -0000 > From: "Michael Luby" > To: "Rmt@Lbl. Gov" > Reply-to: "Plaxo Contact Update for Michael Luby"=20 > > Subject: [Rmt] Your contact info >=20 > This is a multi-part message in MIME format. >=20 > --_-------=3D=3D718198501 > Content-Type: text/plain; charset=3DISO-8859-1 > Content-Transfer-Encoding: 8bit >=20 > Rmt@Lbl. Gov, >=20 > Please take a moment to reply to this email and make changes to your > contact information. >=20 > I'm sending my contact info to make sure you have an up to date > copy. If you want, please respond as follows to this message: >=20 >=20 > Instructions: > 1. Download Plaxo and we will automatically stay in sync: > http://www.plaxo.com/downloads >=20 > --OR-- >=20 > 1. Click REPLY > 2. Check the contact info below - and if it isn't correct - just > change it in the reply. > 3. Send the reply message >=20 > If everything looks correct, just reply with `no changes' > in the message body. >=20 > Thanks! >=20 > ------ >=20 > Name: Rmt@Lbl. Gov > Job Title:=20 > Company:=20 > Work E-mail: rmt@lbl.gov > Work Phone:=20 > Work Fax:=20 > Work Address Line 1:=20 > Work Address Line 2:=20 > Work City, State, Zip:=20 > Mobile Phone:=20 >=20 > Home E-mail:=20 > Home Phone:=20 > Home Fax:=20 > Home Address Line 1:=20 > Home Address Line 2:=20 > Home City, State, Zip:=20 > Birthday:=20 >=20 >=20 > P.S. I've included my Plaxo card below so that you have my=20 > current information. I've also attached a copy as a vCard. >=20 > +----------------- > | Michael Luby > | luby@digitalfountain.com > | CTO > |=20 > | Digital Fountain > | 39141 Civic Center Drive > | Suite 300 > | Fremont, CA 94538 > | work: (510) 284-1436 > | fax: (510) 284-1499 > | web: http://www.digitalfountain.com > +------------------------------------- >=20 > ____________________________________________________________ > This message was sent to you by luby@digitalfountain.com > via Plaxo. To have Plaxo automatically handle these messages > in the future, go to: http://www.plaxo.com/autoreply >=20 > Plaxo's Privacy Policy: http://www.plaxo.com/support/privacy >=20 > --_-------=3D=3D718198501 > Content-Type: text/x-vcard; charset=3DISO-8859-1; name=3D"Michael=20 > Luby.vcf" > Content-Disposition: attachment; filename=3D"Michael Luby.vcf" > Content-Transfer-Encoding: 8bit >=20 > BEGIN:VCARD=20 > VERSION:2.1 > X-PLAXO-VERSION:1.0 > N:Luby;Michael;;; > FN:Michael Luby > ORG:Digital Fountain > TITLE:CTO > ADR;WORK;ENCODING=3DQUOTED-PRINTABLE:;;39141 Civic Center=20 > Drive=3D0D=3D0ASuite 300=3D0D=3D0AFremont, CA 94538;;;; > TEL;WORK;VOICE:(510) 284-1436 > TEL;WORK;FAX:(510) 284-1499 > EMAIL;PREF;INTERNET:luby@digitalfountain.com > URL;WORK:http://www.digitalfountain.com > END:VCARD >=20 > --_-------=3D=3D718198501-- >=20 >=20 >=20 >=20 >=20 >=20 > --__--__-- >=20 > _______________________________________________ > Rmt mailing list > Rmt@ietf.org > https://www1.ietf.org/mailman/listinfo/rmt >=20 >=20 > End of Rmt Digest >=20 _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Wed Nov 5 04:28:23 2003 Received: from optimus.ietf.org (ietf.org [132.151.1.19] (may be forged)) by ietf.org (8.9.1a/8.9.1a) with ESMTP id EAA27963 for ; Wed, 5 Nov 2003 04:28:23 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AHJxL-0004Ue-UE for rmt-archive@odin.ietf.org; Wed, 05 Nov 2003 04:28:05 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hA59S3Ag017268 for rmt-archive@odin.ietf.org; Wed, 5 Nov 2003 04:28:03 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AHJxL-0004UR-4C for rmt-web-archive@optimus.ietf.org; Wed, 05 Nov 2003 04:28:03 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id EAA27941 for ; Wed, 5 Nov 2003 04:27:50 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AHJxI-00007Z-00 for rmt-web-archive@ietf.org; Wed, 05 Nov 2003 04:28:00 -0500 Received: from ietf.org ([132.151.1.19] helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1AHJxH-00007W-00 for rmt-web-archive@ietf.org; Wed, 05 Nov 2003 04:27:59 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AHJxJ-0004TS-54; Wed, 05 Nov 2003 04:28:01 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AHJwp-0004QA-QS for rmt@optimus.ietf.org; Wed, 05 Nov 2003 04:27:32 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id EAA27878 for ; Wed, 5 Nov 2003 04:27:18 -0500 (EST) From: Rod.Walsh@nokia.com Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AHJwm-00006j-00 for rmt@ietf.org; Wed, 05 Nov 2003 04:27:28 -0500 Received: from mgw-x4.nokia.com ([131.228.20.27]) by ietf-mx with esmtp (Exim 4.12) id 1AHJwl-000060-00 for rmt@ietf.org; Wed, 05 Nov 2003 04:27:27 -0500 Received: from esvir04nok.ntc.nokia.com (esvir04nokt.ntc.nokia.com [172.21.143.36]) by mgw-x4.nokia.com (Switch-2.2.8/Switch-2.2.8) with ESMTP id hA59QxF12278 for ; Wed, 5 Nov 2003 11:27:00 +0200 (EET) Received: from esebh001.NOE.Nokia.com (unverified) by esvir04nok.ntc.nokia.com (Content Technologies SMTPRS 4.2.5) with ESMTP id ; Wed, 5 Nov 2003 11:26:59 +0200 Received: from esebe018.NOE.Nokia.com ([172.21.138.57]) by esebh001.NOE.Nokia.com with Microsoft SMTPSVC(5.0.2195.6747); Wed, 5 Nov 2003 11:26:59 +0200 Received: from trebe003.NOE.Nokia.com ([172.22.232.175]) by esebe018.NOE.Nokia.com with Microsoft SMTPSVC(5.0.2195.6747); Wed, 5 Nov 2003 11:26:57 +0200 X-MimeOLE: Produced By Microsoft Exchange V6.0.6487.1 content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Date: Wed, 5 Nov 2003 11:26:57 +0200 Message-ID: <2BF0AD29BC31FE46B7887732114404310357E740@trebe003.europe.nokia.com> Thread-Topic: FLUTE-03 to be submitted on Monday, October 27, 2003 Thread-Index: AcOe8pwbtlV4wYJXQqio0Gjxegs0+QAFJalgAR0o2HA= To: Cc: , , , X-OriginalArrivalTime: 05 Nov 2003 09:26:57.0935 (UTC) FILETIME=[F5AB31F0:01C3A37E] Content-Transfer-Encoding: quoted-printable Subject: [Rmt] FLUTE source blocking update Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: quoted-printable Content-Transfer-Encoding: quoted-printable Hi All Since draft-ietf-rmt-flute-02.txt last call a few typos have been = corrected and clarifications made (some appeared in = draft-ietf-rmt-flute-03.txt). The most important clarification (and only = large one) is related to how to communicate the source blocking = algorithm between sender and receiver. The need for this wasn't obvious = until we did some interop on our implementations, so we're a little = ahead of the game for an Experimental RFC. Since publishing the ID as 04 = is not possible for a few days I'm pasting the relevant sections below = in their (currently) final form to prewarn everyone before RMT next = Tuesday. The principle difference from -02 is that the algorithm is now specified = (instead of a few details left hanging). The principle difference from -03 is that the algorithm is different and = has it's own section so is referred to from FEC ID 129 as well as 0, 128 = and 130. -03 just let the last source block of a file be shorter than = the previous ones, the new algorithm balances source block to all be as = close to the same size as possible (and the wording is tightened up). Comments and questions are always welcome! Cheers, Rod. ---8<--- 5.1.2 FEC Encoding ID specific formats for EXT_FTI 5.1.2.1 FEC Encoding IDs 0, 128, and 130 FEC Encoding ID 0 is 'Compact No-Code FEC' (Fully-Specified) [8]. FEC Encoding ID 128 is 'Small Block, Large Block and Expandable FEC' (Under-Specified) [5]. FEC Encoding ID 130 is 'Compact FEC' (Under-Specified) [8]. For these FEC Encoding IDs, the FEC Encoding ID specific format of EXT_FTI is defined as follows. 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 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ General EXT_FTI format | Encoding Symbol Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Maximum Source Block Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Encoding Symbol Length, 16 bits: Length of encoding symbol in bytes. All encoding symbols of a file MUST be equal to this length, with the optional exception of the last source symbol of the last source block (so that redundant padding is not mandatory in this last symbol). This last source symbol MUST be logically padded out with zeroes when another encoding symbol is computed based on this source symbol to ensure the same interpretation of this encoding symbol value by the sender and receiver). However, this padding need not be actually sent with the data of the last source symbol. Maximum Source Block Length, 32 bits The maximum number of source symbols per source block. This EXT_FTI specification requires that an algorithm is known to both sender and receivers for determining the size of all source blocks within the file identified by the TOI (or within the FDT Instance identified by the TOI and the FDT Instance ID). The algorithm SHOULD be the same for all files using the same FEC Encoding ID within a session. Section 5.1.2.3 describes an algorithm that is RECOMMENDED for this use. For the FEC Encoding IDs 0, 128 and 130, this algorithm is the only well known way the receiver can determine the length of each source block. Thus, the algorithm does two things: (a) it tells the receiver the length of each particular source block as it is receiving packets for that source block - this is essential to all of these FEC schemes; and, (b) it provides the source block structure immediately to the receiver so that the receiver can determine where to save recovered source blocks at the beginning - this is an optimization which is essential for some implementations. 5.1.2.2 FEC Encoding ID 129 Small Block Systematic FEC (Under-Specified). The FEC Encoding ID specific format of EXT_FTI is defined as follows. 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 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ General EXT_FTI format | Maximum Source Block Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Max. Num. of Encoding Symbols | Encoding Symbol Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Maximum Source Block Length, 16 bits: The maximum number of source symbols per source block. Maximum Number of Encoding Symbols, 16 bits: Maximum number of encoding symbols that can be generated for a source block. Encoding Symbol Length, 16 bits: Length of encoding symbol in bytes. All encoding symbols of a file MUST be equal to this length, with the optional exception of the last source symbol of the last source block (so that redundant padding is not mandatory in this last symbol). This last source symbol MUST be logically padded out with zeroes when another encoding symbol is computed based on this source symbol to ensure the same interpretation of this encoding symbol value by the sender and receiver). However, this padding need not be actually sent with the data of the last source symbol. This EXT_FTI specification requires that an algorithm is known to both sender and receivers for determining the size of all source blocks within the file identified by the TOI (or within the FDT Instance identified by the TOI and the FDT Instance ID). The algorithm SHOULD be the same for all files using the same FEC Encoding ID within a session. Section 5.1.2.3 describes an algorithm that is RECOMMENDED for this use. For FEC Encoding ID 129 the FEC Payload ID in each data packet already contains the source block length for the source block corresponding to the encoding symbol carried in the data packet. Thus, the algorithm for computing source blocks for FEC Encoding ID 129 could be to just use the source block lengths carried in data packets within the FEC Payload ID. However, it is still useful to use the algorithm described in Section 5.1.2.3 for implementations when it is useful for the receiver to compute the source block structure at the beginning of the reception of data packets for the file. If the algorithm described in Section 5.1.2.3 is used then it MUST be the case that the source block lengths that appear in data packets agree with the source block lengths calculated by the algorithm. 5.1.2.3 Algorithm for Computing Source Block Structure This algorithm computes a source block structure so that all source blocks are as close to being equal length as possible. A first number of source blocks are of the same larger length, and the remaining second number of source blocks are sent of the same smaller length. The total number of source blocks (N), the first number of source blocks (I), the second number of source blocks (N-I), the larger length (A_large) and the smaller length (A_small) are calculated thus, Inputs: B -- Maximum Source Block length, i.e., the maximum number of source symbols per source block F -- File length in bytes E -- Encoding Symbol Length in bytes Output: N -- The number of source blocks the file is partitioned into the number and lengths of source symbols in each of the N source blocks Algorithm: (a) The number of source symbols in the file is computed as T =3D F/E rounded up to the nearest integer. (b) The file is partitioned into N source blocks, where N =3D T/B rounded up to the nearest integer (c) The average length of a source block, A =3D T/N (this may be non-integer) (d) A_large =3D A rounded up to the nearest integer (it will always be the case that the value of A_large is at most B) (e) A_small =3D A rounded down to the nearest integer (if A is an integer A_small =3D A_large, and otherwise A_small =3D A_large - 1) (f) The fractional part of A, A_fraction =3D A - A_small (g) I =3D A_fraction * N (I is an integer between 0 and N-1) (h) Each of the first I source blocks consists of A_large source symbols, each source symbol is E bytes in length. Each of the remaining N-I source blocks consist of A_small source symbols, each source symbol is E bytes in length except that the last source symbol of the last source block is F-(((F-1)/E) rounded down to the nearest integer)*E bytes in length. _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Wed Nov 5 20:47:20 2003 Received: from optimus.ietf.org (ietf.org [132.151.1.19] (may be forged)) by ietf.org (8.9.1a/8.9.1a) with ESMTP id UAA05126 for ; Wed, 5 Nov 2003 20:47:20 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AHZEl-0006nL-3X for rmt-archive@odin.ietf.org; Wed, 05 Nov 2003 20:47:03 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hA61l3rX026113 for rmt-archive@odin.ietf.org; Wed, 5 Nov 2003 20:47:03 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AHZEk-0006n6-Ub for rmt-web-archive@optimus.ietf.org; Wed, 05 Nov 2003 20:47:02 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id UAA05112 for ; Wed, 5 Nov 2003 20:46:50 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AHZEi-0007Ud-00 for rmt-web-archive@ietf.org; Wed, 05 Nov 2003 20:47:00 -0500 Received: from ietf.org ([132.151.1.19] helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1AHZEi-0007UY-00 for rmt-web-archive@ietf.org; Wed, 05 Nov 2003 20:47:00 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AHZEj-0006mK-56; Wed, 05 Nov 2003 20:47:01 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AHZE2-0006lU-KK for rmt@optimus.ietf.org; Wed, 05 Nov 2003 20:46:18 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id UAA05103 for ; Wed, 5 Nov 2003 20:46:06 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AHZE0-0007UJ-00 for rmt@ietf.org; Wed, 05 Nov 2003 20:46:16 -0500 Received: from sj-iport-5.cisco.com ([171.68.10.87]) by ietf-mx with esmtp (Exim 4.12) id 1AHZDz-0007U0-00 for rmt@ietf.org; Wed, 05 Nov 2003 20:46:15 -0500 Received: from cisco.com (171.68.223.138) by sj-iport-5.cisco.com with ESMTP; 05 Nov 2003 17:47:34 -0800 Received: from cisco.com (cypher.cisco.com [171.69.11.143]) by sj-core-4.cisco.com (8.12.6/8.12.6) with ESMTP id hA61jiiN017579 for ; Wed, 5 Nov 2003 17:45:44 -0800 (PST) Received: (from lorenzo@localhost) by cisco.com (8.8.8/2.6/Cisco List Logging/8.8.8) id RAA18075 for rmt@ietf.org; Wed, 5 Nov 2003 17:45:44 -0800 (PST) Date: Wed, 5 Nov 2003 17:45:44 -0800 From: Lorenzo Vicisano To: rmt@ietf.org Message-ID: <20031105174544.G21719@cisco.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.3.23i Subject: [Rmt] WG last-call for NORM drafts Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , Please be advised that starting today Nov 5, 2003, the following RMT drafts are in WG last-call: draft-ietf-rmt-bb-norm-07.txt draft-ietf-rmt-pi-norm-08.txt You are invited to reply to this email with your feedback by November 20th. You can also comment in person at the upcoming IETF RMT meeting. thank you, the chairs _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Thu Nov 6 02:46:23 2003 Received: from optimus.ietf.org (ietf.org [132.151.1.19] (may be forged)) by ietf.org (8.9.1a/8.9.1a) with ESMTP id CAA27388 for ; Thu, 6 Nov 2003 02:46:23 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AHeqD-0002NP-Cc for rmt-archive@odin.ietf.org; Thu, 06 Nov 2003 02:46:05 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hA67k5m0009134 for rmt-archive@odin.ietf.org; Thu, 6 Nov 2003 02:46:05 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AHeqD-0002N7-2y for rmt-web-archive@optimus.ietf.org; Thu, 06 Nov 2003 02:46:05 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id CAA27380 for ; Thu, 6 Nov 2003 02:45:52 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AHeq9-0004FA-00 for rmt-web-archive@ietf.org; Thu, 06 Nov 2003 02:46:01 -0500 Received: from ietf.org ([132.151.1.19] helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1AHeq8-0004F7-00 for rmt-web-archive@ietf.org; Thu, 06 Nov 2003 02:46:00 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AHeq9-0002M4-AF; Thu, 06 Nov 2003 02:46:01 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AHepc-0002Kr-W7 for rmt@optimus.ietf.org; Thu, 06 Nov 2003 02:45:29 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id CAA27358 for ; Thu, 6 Nov 2003 02:45:16 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AHepZ-0004EV-00 for rmt@ietf.org; Thu, 06 Nov 2003 02:45:25 -0500 Received: from venus.open.ac.uk ([194.66.147.160]) by ietf-mx with esmtp (Exim 4.12) id 1AHepY-0004C2-00 for rmt@ietf.org; Thu, 06 Nov 2003 02:45:24 -0500 Received: from oufcnt2.open.ac.uk (actually host halley.open.ac.uk) by venus.open.ac.uk via SMTP Local (Mailer 3.1) with ESMTP; Thu, 6 Nov 2003 07:44:48 +0000 Message-id: Date: Thu, 06 Nov 2003 07:44:45 +0000 Subject: Re: [Rmt] WG last-call for NORM drafts To: lorenzo@cisco.com Cc: rmt@ietf.org From: Andrew Marlow References: <20031105174544.G21719@cisco.com> In-Reply-To: <20031105174544.G21719@cisco.com> MIME-Version: 1.0 Content-type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Content-Transfer-Encoding: 8bit Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 8bit Content-Transfer-Encoding: 8bit lorenzo@cisco.com writes: >Please be advised that starting today Nov 5, 2003, the following >RMT drafts are in WG last-call: > >draft-ietf-rmt-bb-norm-07.txt >draft-ietf-rmt-pi-norm-08.txt > >You are invited to reply to this email with your feedback by >November 20th. Full URLs would be nice (I'm lazy...) Regards, Andrew Marlow ---- There is an emerald here the size of a plover's egg! _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Sat Nov 8 19:18:28 2003 Received: from optimus.ietf.org ([132.151.1.19]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id TAA02155 for ; Sat, 8 Nov 2003 19:18:28 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AIdHI-0005RI-RJ for rmt-archive@odin.ietf.org; Sat, 08 Nov 2003 19:18:09 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hA90I4wS020903 for rmt-archive@odin.ietf.org; Sat, 8 Nov 2003 19:18:04 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AIdHI-0005R4-LF for rmt-web-archive@optimus.ietf.org; Sat, 08 Nov 2003 19:18:04 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id TAA02088 for ; Sat, 8 Nov 2003 19:17:52 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AIdHG-00079B-00 for rmt-web-archive@ietf.org; Sat, 08 Nov 2003 19:18:02 -0500 Received: from [132.151.1.19] (helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1AIdHG-000797-00 for rmt-web-archive@ietf.org; Sat, 08 Nov 2003 19:18:02 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AIdHE-0005QF-Va; Sat, 08 Nov 2003 19:18:00 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AIdGk-0005PF-P4 for rmt@optimus.ietf.org; Sat, 08 Nov 2003 19:17:30 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id TAA02031 for ; Sat, 8 Nov 2003 19:17:18 -0500 (EST) From: toni.paila@nokia.com Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AIdGi-00077P-00 for rmt@ietf.org; Sat, 08 Nov 2003 19:17:28 -0500 Received: from manatick.foretec.com ([4.17.168.5] helo=manatick) by ietf-mx with esmtp (Exim 4.12) id 1AIdGh-000778-00 for rmt@ietf.org; Sat, 08 Nov 2003 19:17:27 -0500 Received: from mgw-x4.nokia.com ([131.228.20.27]) by manatick with esmtp (Exim 4.24) id 1AIdGi-0001HL-7v for rmt@ietf.org; Sat, 08 Nov 2003 19:17:28 -0500 Received: from esvir04nok.ntc.nokia.com (esvir04nokt.ntc.nokia.com [172.21.143.36]) by mgw-x4.nokia.com (Switch-2.2.8/Switch-2.2.8) with ESMTP id hA90HPe29001 for ; Sun, 9 Nov 2003 02:17:25 +0200 (EET) Received: from esebh002.NOE.Nokia.com (unverified) by esvir04nok.ntc.nokia.com (Content Technologies SMTPRS 4.2.5) with ESMTP id ; Sun, 9 Nov 2003 02:17:24 +0200 Received: from esebh005.NOE.Nokia.com ([172.21.138.86]) by esebh002.NOE.Nokia.com with Microsoft SMTPSVC(5.0.2195.6747); Sun, 9 Nov 2003 02:17:24 +0200 Received: from esebe006.NOE.Nokia.com ([172.21.138.46]) by esebh005.NOE.Nokia.com with Microsoft SMTPSVC(5.0.2195.6139); Sun, 9 Nov 2003 02:17:24 +0200 X-MimeOLE: Produced By Microsoft Exchange V6.0.6487.1 content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----_=_NextPart_001_01C3A656.D9571CEE" Date: Sun, 9 Nov 2003 02:17:24 +0200 Message-ID: <26574F0076BFF449ADAE582D9E67780C01E28960@esebe006.ntc.nokia.com> X-MS-Has-Attach: yes Thread-Topic: Submission of draft-ietf-rmt-flute-04 Thread-Index: AcOmVtaePlSlj1EaRiqXPJUgFkd17Q== To: , Cc: , , , X-OriginalArrivalTime: 09 Nov 2003 00:17:24.0585 (UTC) FILETIME=[D9AC4590:01C3A656] Subject: [Rmt] Submission of draft-ietf-rmt-flute-04 Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , This is a multi-part message in MIME format. ------_=_NextPart_001_01C3A656.D9571CEE Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable This is retransmission of this email. I got error message when trying to = send this first time.=20 I apologize, if you receive two copies of this message. --- Hi All I have just submitted the revision 04 of FLUTE specification to the = Internet-Drafts queue.=20 Our chairman Lorenzo asked me to post the draft also on the RMT WG = mailing list as soon=20 I have it ready, so here we go; please find attached a copy of = 'draft-ietf-rmt-flute-04'.=20 Regards, Toni ------_=_NextPart_001_01C3A656.D9571CEE Content-Type: application/x-zip-compressed; name="draft-ietf-rmt-flute-04.zip" Content-Description: draft-ietf-rmt-flute-04.zip Content-Disposition: attachment; filename="draft-ietf-rmt-flute-04.zip" Content-Transfer-Encoding: base64 UEsDBBQAAgAIAA+maC+54yOlKEAAAIzvAAAbAAAAZHJhZnQtaWV0Zi1ybXQtZmx1dGUtMDQudHh0 7X1rUyPJsejns3H3P3TwZYSPJBAwT3tsMzx2tAaGC4zXPhNzT7SkFuql1S33A0Yb/vE3n/Xobglm FjZ8TpiJ2AWpO6sqKysr3/n9d99/d3F6Ffyan6t+cB7GSfj9d8O0jPI0KnuHeTgtvwnYWXYTA6Sj 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30pVkXpo/x9QSwECFAAUAAIACAAPpmgvueMjpShAAACM7wAAGwAAAAAAAAABACAAtoEAAAAAZHJh ZnQtaWV0Zi1ybXQtZmx1dGUtMDQudHh0UEsFBgAAAAABAAEASQAAAGFAAAAAAA== ------_=_NextPart_001_01C3A656.D9571CEE-- _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Tue Nov 11 18:13:20 2003 Received: from optimus.ietf.org ([132.151.1.19]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id SAA27516 for ; Tue, 11 Nov 2003 18:13:19 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AJhh1-0006yc-78 for rmt-archive@odin.ietf.org; Tue, 11 Nov 2003 18:13:03 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hABND3Bt026814 for rmt-archive@odin.ietf.org; Tue, 11 Nov 2003 18:13:03 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AJhh1-0006yP-21 for 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; Tue, 11 Nov 2003 18:12:07 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AJhgH-00048h-00 for rmt@ietf.org; Tue, 11 Nov 2003 18:12:17 -0500 Received: from motgate6.mot.com ([144.189.100.106]) by ietf-mx with esmtp (Exim 4.12) id 1AJhgH-00048e-00 for rmt@ietf.org; Tue, 11 Nov 2003 18:12:17 -0500 Received: from il06exr03.mot.com (il06exr03.mot.com [129.188.137.133]) by motgate6.mot.com (Motorola/Motgate6) with ESMTP id hABNCGqP010725 for ; Tue, 11 Nov 2003 16:12:16 -0700 (MST) Received: from motorola.com (mvp-10-238-2-7.corp.mot.com [10.238.2.7]) by il06exr03.mot.com (Motorola/il06exr03) with ESMTP id hABNBbMi013373 for ; Tue, 11 Nov 2003 17:11:47 -0600 Message-ID: <3FB16C9F.80309@motorola.com> Date: Wed, 12 Nov 2003 10:11:27 +1100 From: Roger Kermode Organization: Motorola User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.4) Gecko/20030624 X-Accept-Language: en-us, en MIME-Version: 1.0 To: rmt-list Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Content-Transfer-Encoding: 7bit Subject: [Rmt] test... Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Transfer-Encoding: 7bit just testing I seem to have been missing some emials, Roger -- Roger Kermode, Ph.D. Distinguished Member of the Technical Staff, and Manager Sydney Networks Research Lab Office: +61-2-9666-0558 Motorola Australia Research Centre Mobile: +61-408-212-284 Mail Address: Locked Bag 5028, Botany NSW, 1455, Australia Street Address: 12 Lord St, Botany NSW, 2019, Australia _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Thu Nov 13 06:43:19 2003 Received: from optimus.ietf.org ([132.151.1.19]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id GAA21376 for ; Thu, 13 Nov 2003 06:43:19 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AKFsM-0004Hy-Ib for rmt-archive@odin.ietf.org; Thu, 13 Nov 2003 06:43:02 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hADBh2nR016482 for rmt-archive@odin.ietf.org; Thu, 13 Nov 2003 06:43:02 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AKFsM-0004Hl-EL for rmt-web-archive@optimus.ietf.org; Thu, 13 Nov 2003 06:43:02 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id GAA21360 for ; Thu, 13 Nov 2003 06:42:48 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AKFsI-0003C4-00 for rmt-web-archive@ietf.org; Thu, 13 Nov 2003 06:42:58 -0500 Received: from [132.151.1.19] (helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1AKFsH-0003C0-00 for rmt-web-archive@ietf.org; Thu, 13 Nov 2003 06:42:57 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AKFsK-0004HK-JE; Thu, 13 Nov 2003 06:43:00 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AKFrS-0004GZ-Br for rmt@optimus.ietf.org; Thu, 13 Nov 2003 06:42:06 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id GAA21345 for ; Thu, 13 Nov 2003 06:41:52 -0500 (EST) From: toni.paila@nokia.com Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AKFrN-0003Bi-00 for rmt@ietf.org; Thu, 13 Nov 2003 06:42:01 -0500 Received: from mgw-x4.nokia.com ([131.228.20.27]) by ietf-mx with esmtp (Exim 4.12) id 1AKFrN-0003Bf-00 for rmt@ietf.org; Thu, 13 Nov 2003 06:42:01 -0500 Received: from esvir03nok.nokia.com (esvir03nokt.ntc.nokia.com [172.21.143.35]) by mgw-x4.nokia.com (Switch-2.2.8/Switch-2.2.8) with ESMTP id hADBg1610816 for ; Thu, 13 Nov 2003 13:42:01 +0200 (EET) Received: from esebh003.NOE.Nokia.com (unverified) by esvir03nok.nokia.com (Content Technologies SMTPRS 4.2.5) with ESMTP id for ; Thu, 13 Nov 2003 13:42:01 +0200 Received: from esebe006.NOE.Nokia.com ([172.21.138.46]) by esebh003.NOE.Nokia.com with Microsoft SMTPSVC(5.0.2195.6139); Thu, 13 Nov 2003 13:42:00 +0200 X-MimeOLE: Produced By Microsoft Exchange V6.0.6487.1 content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----_=_NextPart_001_01C3A9DB.2611E554" Date: Thu, 13 Nov 2003 13:41:59 +0200 Message-ID: <26574F0076BFF449ADAE582D9E67780C01E289B5@esebe006.ntc.nokia.com> X-MS-Has-Attach: yes Thread-Topic: draft-ietf-rmt-flute-05 (and change history FLUTE 04 -> 05) Thread-Index: AcOp2yXR7VNFbBbBT/+uPXN3Xtjrag== To: X-OriginalArrivalTime: 13 Nov 2003 11:42:00.0540 (UTC) FILETIME=[268099C0:01C3A9DB] Subject: [Rmt] draft-ietf-rmt-flute-05 (and change history FLUTE 04 -> 05) Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , This is a multi-part message in MIME format. ------_=_NextPart_001_01C3A9DB.2611E554 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi All, Please find attached FLUTE 05 which I will soon submit to = Internet-Drafts queue. The draft addresses all of the concerns raised in the RMT WG session in = Minneapolis. Changes from FLUTE 04 -> 05: ---------------------------- 1) In the chapter 'Introduction' there is now=20 a new paragraph 'Statement of Intent' 2) Added new section '1.1 Applicability Statement' 3) Clarification on sending the FDT instances; added new last paragraph in the end of section 3.3 4) Further clarification on channels and congestion control; added new last paragraph in the end of chapter 4. 5) Complete revision and extension of chapter=20 '7. Security considerations' 6) Added new chapter '8. IANA Considerations' 7) Added Informative references to ASM and SSM=20 If you agree, it would be great to have working group last call on=20 the draft immediately to move it to an Experimental RFC. Regards, Toni PS.=20 The full MS Word document that tracks changes 04 -> 05 is also available = from me upon request. 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id 1AKFxC-0004Rv-GH for rmt-archive@odin.ietf.org; Thu, 13 Nov 2003 06:48:02 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hADBm2sQ017097 for rmt-archive@odin.ietf.org; Thu, 13 Nov 2003 06:48:02 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AKFxC-0004Rg-D0 for rmt-web-archive@optimus.ietf.org; Thu, 13 Nov 2003 06:48:02 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id GAA21500 for ; Thu, 13 Nov 2003 06:47:48 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AKFx8-0003Hv-00 for rmt-web-archive@ietf.org; Thu, 13 Nov 2003 06:47:58 -0500 Received: from [132.151.1.19] (helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1AKFx7-0003Hs-00 for rmt-web-archive@ietf.org; Thu, 13 Nov 2003 06:47:57 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AKFxB-0004Qu-4H; Thu, 13 Nov 2003 06:48:01 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AKFx4-0004Qj-Pd for rmt@optimus.ietf.org; Thu, 13 Nov 2003 06:47:54 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id GAA21497 for ; Thu, 13 Nov 2003 06:47:41 -0500 (EST) From: toni.paila@nokia.com Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AKFx0-0003Ho-00 for rmt@ietf.org; Thu, 13 Nov 2003 06:47:50 -0500 Received: from mgw-x1.nokia.com ([131.228.20.21]) by ietf-mx with esmtp (Exim 4.12) id 1AKFwz-0003Hl-00 for rmt@ietf.org; Thu, 13 Nov 2003 06:47:49 -0500 Received: from esvir05nok.ntc.nokia.com (esvir05nokt.ntc.nokia.com [172.21.143.37]) by mgw-x1.nokia.com (Switch-2.2.8/Switch-2.2.8) with ESMTP id hADBlnA28327 for ; Thu, 13 Nov 2003 13:47:49 +0200 (EET) Received: from esebh003.NOE.Nokia.com (unverified) by esvir05nok.ntc.nokia.com (Content Technologies SMTPRS 4.2.5) with ESMTP id for ; Thu, 13 Nov 2003 13:41:52 +0200 Received: from esebe006.NOE.Nokia.com ([172.21.138.46]) by esebh003.NOE.Nokia.com with Microsoft SMTPSVC(5.0.2195.6139); Thu, 13 Nov 2003 13:41:52 +0200 X-MimeOLE: Produced By Microsoft Exchange V6.0.6487.1 content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Date: Thu, 13 Nov 2003 13:41:51 +0200 Message-ID: <26574F0076BFF449ADAE582D9E67780C01E289B4@esebe006.ntc.nokia.com> Thread-Topic: Responses to the FLUTE discussion in RMT WG meeting in Minneapolis Thread-Index: AcOp2yDvRpYNK4WbTga9nv41+dZF8w== To: X-OriginalArrivalTime: 13 Nov 2003 11:41:52.0822 (UTC) FILETIME=[21E6ED60:01C3A9DB] Content-Transfer-Encoding: quoted-printable Subject: [Rmt] Responses to the FLUTE discussion in RMT WG meeting in Minneapolis Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: quoted-printable Content-Transfer-Encoding: quoted-printable Hi All, Thanks to everyone involved in the FLUTE discussion in the RMT working group. This email is meant to detail and address all of the concerns = raised in the RMT wg meeting.=20 Right after this email, I will send the revised -05 version of the FLUTE draft based on addressing all of these concerns. It would be great to = have working group last call on the draft immediately to move it to an Experimental RFC.=20 The issues raised fall into these areas: (1) Congestion control and layering: are we confident that FLUTE can = handle multiple layers and congestion control without any additional = implications specific to FLUTE? (2) Interoperability tests did not test multiple layers of congestion control -- is this a place where FLUTE might have issues beyond those of ALC? (3) Security concerns: Have we analyzed the additional security consideration that FLUTE introduces above ALC: FDT attacks? (4) Does FLUTE address all of the issues outlined in the Building Block = and Protocol Instantiation Design RFC? (5) Is there any time urgency for pushing FLUTE to Experimental RFC? Lastly, I would like to thank all of you who participated resolving the=20 set of issues raised, an especially acknowledge the hard work and=20 contributions from Mike and Rod. Regards, Toni -------------------------------------------------------------------------= --- Responses to the above concerns are below (1) Congestion control and layering: are we confident that FLUTE can = handle multiple layers and congestion control without any additional = implications specific to FLUTE? Yes, since FLUTE is built on ALC and ALC handles multilayering, by inheritance FLUTE does as well. The only place where multilayering = might be different in FLUTE is that it makes a distinction between two types of = data delivered to receivers: FTDs and files. The reason this distinction is important in FLUTE is because the receiver needs to receive FTDs in = order to understand how to receive files, and thus in this sense FTDs are of = higher importance to receive than files. Text has been added at the end of = Section 3.3 of the attached FLUTE draft to explain this issue, and it is = recommended to send FDT Instances frequently enough so that the file description can = be=20 recovered at least as reliably as the file it describes, and it also = recommends=20 the use of non-trivial FEC codes for FTD Instance delivery if the FTD = Instance is generally longer than one encoding symbol in length so that receivers = will be able to recover the FTD Instances at least as reliably as the files they = describe. (2) Interoperability tests did not test multiple layers of congestion control -- is this a place where FLUTE might have issues beyond those of ALC? With regards to the interoperability tests done so far with FLUTE, these interoperability tests were primarily targeted at testing the FLUTE functionality added onto ALC and not the basic ALC functionality. There = has been a lot of experience with ALC deployment by Mike (Digital Fountain), = using multilayering and congestion control (WEBRC) in commercial environments, = and these deployments have been quite successful and have led to feedback = that informed the WEBRC building block but did not affect ALC (or FLUTE). = The only place where multilayering might have an impact specific to FLUTE is again with respect to delivery of FDT Intances. Text has been added to = the end of Section 4 to discuss this issue and provide recommendations. In summary, the FDT Instance packets should not be concentrated on the = higher layers because lower rate receivers won't receive them, and a = non-trivial FEC Encoding ID should be used to deliver FDT Instance packets if FDTs = are generally longer than one encoding symbol in length and if FDT Instance packets are sent to more than just the bottom layer. (3) Security concerns: Have we analyzed the additional security consideration that FLUTE introduces above ALC: FDT attacks? The security section in the attached revised FLUTE draft has been = rewritten into the style of the ALC security section (which has already been = approved as an Experimental RFC). Furthermore, the additional FLUTE = vulnerabilities of forging FDT Instance packets and the possible consequences of this has been called out and countermeasures for how to prevent such attacks = has=20 been recommended. It is not a good idea to require any of these = security=20 measures, because which ones are applicable depend on the deployment=20 environment of the application (from a closed system with security = measures=20 already in place to a completely vulnerable open Internet deployment), = and=20 much of the security work is still ongoing for multicast in the MSEC = working=20 group. Thus, FLUTE follows the same style as ALC. (4) Does FLUTE address all of the issues outlined in the Building Block = and Protocol Instantiation Design RFC? Although FLUTE is not literally a protocol instantiation (it is more = like an application that uses a protocol instantiation), it was noted that FLUTE = -04 did not describe the application space for FLUTE. Thus, Sections 1.1 = has been added in the attached revision of FLUTE to provide an Applicability statement. (5) Is there any time urgency for pushing FLUTE to Experimental RFC? Other standard bodies such as 3GPP and DVB are making decisions now and = are looking to the IETF for available, or soon to be available = specifications=20 for a unidirection file delivery standard, and if FLUTE is not made into = an Experimental RFC almost immediately these other standards bodies will = settle on in some cases much less technically appropriate (not designed = for=20 file delivery) but already standardized solutions and in other cases on=20 ad hoc solutions very weak technically. =20 It should be noted that in no case would widespread deployment happen=20 immediately -- there would be a long period of experimentation before=20 widespread deployment -- and during this experimental period=20 (of perhaps two-three years) more experience would be gained with the=20 FLUTE Experimental RFC and it would become a Proposed Standard before=20 widespread deployment. The same statement of intent to move this to a=20 Proposed Standard as appears in ALC (and has been agreed upon for all=20 RFCs in the RMT wg) has been added to the end of the introduction to=20 state this intent. _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Thu Nov 13 15:48:21 2003 Received: from optimus.ietf.org ([132.151.1.19]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA19662 for ; Thu, 13 Nov 2003 15:48:21 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AKONm-0005HY-IZ for rmt-archive@odin.ietf.org; Thu, 13 Nov 2003 15:48:02 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hADKm2NO020304 for rmt-archive@odin.ietf.org; Thu, 13 Nov 2003 15:48:02 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AKONm-0005HP-Dt for rmt-web-archive@optimus.ietf.org; Thu, 13 Nov 2003 15:48:02 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA19635 for ; Thu, 13 Nov 2003 15:47:50 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AKONk-0004wt-00 for rmt-web-archive@ietf.org; Thu, 13 Nov 2003 15:48:00 -0500 Received: from [132.151.1.19] (helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1AKONk-0004wq-00 for rmt-web-archive@ietf.org; Thu, 13 Nov 2003 15:48:00 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AKONk-0005GZ-Px; Thu, 13 Nov 2003 15:48:00 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AKOMs-0005Fl-55 for rmt@optimus.ietf.org; Thu, 13 Nov 2003 15:47:06 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA19581 for ; Thu, 13 Nov 2003 15:46:54 -0500 (EST) From: toni.paila@nokia.com Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AKOMq-0004vv-00 for rmt@ietf.org; Thu, 13 Nov 2003 15:47:04 -0500 Received: from mgw-x4.nokia.com ([131.228.20.27]) by ietf-mx with esmtp (Exim 4.12) id 1AKOMo-0004vq-00 for rmt@ietf.org; Thu, 13 Nov 2003 15:47:03 -0500 Received: from esvir04nok.ntc.nokia.com (esvir04nokt.ntc.nokia.com [172.21.143.36]) by mgw-x4.nokia.com (Switch-2.2.8/Switch-2.2.8) with ESMTP id hADKl1602126 for ; Thu, 13 Nov 2003 22:47:01 +0200 (EET) Received: from esebh001.NOE.Nokia.com (unverified) by esvir04nok.ntc.nokia.com (Content Technologies SMTPRS 4.2.5) with ESMTP id for ; Thu, 13 Nov 2003 22:47:01 +0200 Received: from esebe006.NOE.Nokia.com ([172.21.138.46]) by esebh001.NOE.Nokia.com with Microsoft SMTPSVC(5.0.2195.6747); Thu, 13 Nov 2003 22:47:00 +0200 X-MimeOLE: Produced By Microsoft Exchange V6.0.6487.1 content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----_=_NextPart_001_01C3AA27.48C7E719" Date: Thu, 13 Nov 2003 22:46:59 +0200 Message-ID: <26574F0076BFF449ADAE582D9E67780C01E289CD@esebe006.ntc.nokia.com> X-MS-Has-Attach: yes Thread-Topic: Two trivial changes to yesterday's FLUTE 05 spec. Thread-Index: AcOqJ0hKNZkmHF3uRbCr73+VEV4WGA== To: X-OriginalArrivalTime: 13 Nov 2003 20:47:00.0304 (UTC) FILETIME=[49149D00:01C3AA27] Subject: [Rmt] Two trivial changes to yesterday's FLUTE 05 spec. Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , This is a multi-part message in MIME format. ------_=_NextPart_001_01C3AA27.48C7E719 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dear RMT folks, I got two last minute comments directly after sending FLUTE -05 out. I think both comments are valid and make FLUTE even more usable. (1.) The version of FLUTE should be signalled in EXT_FDT to enable=20 forward extensibility some day. The field enables receivers quickly and with low resource consumption to determine whether=20 it can or cannot understand the protocol version. (2.) The FLUTE specification should allow use of optional compression for the FDT Instance Payload. The compression should be a new optional header extension that may be applied to FDT Instances.=20 Implementing the changes is very straightforward. The changes needed are: ----------- Change (1.) ----------- Old text: " 3.4.1 Format of FDT Instance Header FDT Instance Header (EXT_FDT) is a new fixed length, ALC PI specific LCT header extension [4]. The Header Extension Type (HET) for the extension is 192. Its format is defined below: 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 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | HET =3D 192 | FDT Instance ID | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ FDT Instance ID, 24 bits: For each file delivery session the numbering of FDT Instances starts from '0' and is incremented by exactly one for each subsequent FDT Instance. After reaching the maximum value (2^24-1), the numbering starts again from '0'. When wraparound from 2^24-1 to 0 occurs, 0 is considered higher than 2^24-1. Receiver handling of wraparound and other special situations (for example, missing FDT Instance IDs resulting in longer increments than one) is left out of this specification to individual implementations of FLUTE. " New text: " 3.4.1 Format of FDT Instance Header FDT Instance Header (EXT_FDT) is a new fixed length, ALC PI specific LCT header extension [4]. The Header Extension Type (HET) for the extension is 192. Its format is defined below: 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 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | HET =3D 192 | V | FDT Instance ID | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ =20 Version of FLUTE, 2 bits: =20 This document specifies FLUTE version 1. Hence in any ALC packet=20 that belongs to the file delivery session as specified in this = specification=20 MUST set this field to '0'. FDT Instance ID, 22 bits: For each file delivery session the numbering of FDT Instances starts from '0' and is incremented by exactly one for each subsequent FDT Instance. After reaching the maximum value (2^22-1), the numbering starts again from '0'. When wraparound from 2^22-1 to 0 occurs, 0 is considered higher than 2^22-1. Receiver handling of wraparound and other special situations (for example, missing FDT Instance IDs resulting in longer increments than one) is left out of this specification to individual implementations of FLUTE. " ----------- Change (2.) ----------- New section 3.4.3: " 3.4.3 Compression of FTD Instances The FDT Instance payload MAY be compressed. This specification = defines FDT Instance Compression Header (EXT_COMP). EXT_COMP is a new fixed = length,=20 ALC PI specific LCT header extension [4]. The Header Extension Type = (HET)=20 for the extension is 193. If the FDT Instance payload is compressed,=20 the EXT_COMP MUST be used to signal the compression type.=20 In that case, EXT_COMP header extension MUST be used in all ALC = packets=20 carrying the same FDT Instance ID. Within a file delivery session, = both=20 uncompressed and compressed FDT Instances MAY appear. If compression = is not=20 used for a given FDT Instance, the EXT_COMP MUST NOT be used in any = packet=20 carrying the FDT Instance ID. The format of EXT_COMP is defined = below: 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 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | HET =3D 193 | Comp | Reserved | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ =20 Compression algoritm (Comp), 8 bits: =20 This field signals the compression algrorithm used in the FDT = Instance=20 payload. The definition of this field is outside the scope of this=20 specification. Applicable compression algorithms include, for = example, Zlib [Ref RFC 1950], DEFLATE [Ref RFC 1951] and Gzip [Ref RFC 1952]. =20 Reserved, 16 bits: This field MUST be set to all '0'. " In addition, I will add three Informational References (RFC-1950, = RFC-1951 and RFC-1952). Fortunately I did not submit FLUTE 05 to I-D queue yesterday. Thus, will implement the changes above to the draft I sent on the RMT mailing list yesterday. Consequently, I will submit=20 updated FLUTE 05. If you agree, it would be great to have working group last call on=20 the draft immediately to move it to an Experimental RFC. Best Regards, Toni ------_=_NextPart_001_01C3AA27.48C7E719 Content-Type: application/x-zip-compressed; name="draft-ietf-rmt-flute-05.zip" Content-Description: draft-ietf-rmt-flute-05.zip Content-Disposition: attachment; filename="draft-ietf-rmt-flute-05.zip" Content-Transfer-Encoding: base64 UEsDBBQAAAAIAG21bS+L0OPTxU8AADMkAQAbAAAAZHJhZnQtaWV0Zi1ybXQtZmx1dGUtMDUudHh0 7X1rc9tIkuDn7bj+DxX6YmmWpEXJ7x33DK1Hmz2SrJPk7pl19G2AJEhiDAJcAJSsjv3xl896ACAl u6WNub2RI7olEsjKqsrKd2Z9/933312cXpnf83PVM+dRkkbffzfMqrjI4qp7WETT6u43W37O8s8J QDr6skyKuHxjTqNb09/vmL3d3Wd3v+1+TnvmZDW6/f67ux9t/zlMZkkVpeY4X2VVlGTfDol+LgCf eF7lWfx7IV3FaRJdAqAi+p2Q8OfnnrnIx98OaXh2MRyYizng0x2ky7j8/TjBUv0SpeX8AWZn6enu B1t/zvLreDGKCyXB/e+/w3/ugeOTj1dHpmuOkzQ2h7Az13Fxa+CtwnzMkgnQ8LhK8gzo6KqIsnKZ F9U6ZCZ4ZrpJXE27xaLqTtNVFXd3n/eqLxWOeVlF1ao0+dRU86Q0p/EiF1Su8O9JPl4t4qwy8HuU mdpJjLIJfpFkZrpKUzPOs2leLKJsHJubpOKVjuCLZZFfJyUgTANdMvKmv4t/XRwf7O3uvejJqOEI MGgBsPLic5LNLDKCbmwfNkfZLMniuICnGPeo/AxHrABEtodHV8c7HZMwsKjsMNrwp8KdFflqWfZg 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AAAAAGRyYWZ0LWlldGYtcm10LWZsdXRlLTA1LnR4dFBLBQYAAAAAAQABAEkAAAD+TwAAAAA= ------_=_NextPart_001_01C3AA27.48C7E719-- _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Fri Nov 14 04:57:25 2003 Received: from optimus.ietf.org ([132.151.1.19]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id EAA04120 for ; Fri, 14 Nov 2003 04:57:25 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AKahQ-0001r8-9t for rmt-archive@odin.ietf.org; Fri, 14 Nov 2003 04:57:08 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hAE9v8m3007106 for rmt-archive@odin.ietf.org; Fri, 14 Nov 2003 04:57:08 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AKahN-0001qV-95 for rmt-web-archive@optimus.ietf.org; Fri, 14 Nov 2003 04:57:05 -0500 Received: from ietf-mx 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ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AKah5-0002IT-00 for rmt@ietf.org; Fri, 14 Nov 2003 04:56:47 -0500 Received: from mgw-x1.nokia.com ([131.228.20.21]) by ietf-mx with esmtp (Exim 4.12) id 1AKah4-0002IH-00 for rmt@ietf.org; Fri, 14 Nov 2003 04:56:46 -0500 Received: from esvir05nok.ntc.nokia.com (esvir05nokt.ntc.nokia.com [172.21.143.37]) by mgw-x1.nokia.com (Switch-2.2.8/Switch-2.2.8) with ESMTP id hAE9ukA05707 for ; Fri, 14 Nov 2003 11:56:46 +0200 (EET) Received: from esebh001.NOE.Nokia.com (unverified) by esvir05nok.ntc.nokia.com (Content Technologies SMTPRS 4.2.5) with ESMTP id for ; Fri, 14 Nov 2003 11:56:43 +0200 Received: from esebe006.NOE.Nokia.com ([172.21.138.46]) by esebh001.NOE.Nokia.com with Microsoft SMTPSVC(5.0.2195.6747); Fri, 14 Nov 2003 11:56:42 +0200 X-MimeOLE: Produced By Microsoft Exchange V6.0.6487.1 content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----_=_NextPart_001_01C3AA95.9B359A2C" Subject: Updated FLUTE 06 (Was: [Rmt] Two trivial changes to yesterday's FLUTE 05 spec.) Date: Fri, 14 Nov 2003 11:56:42 +0200 Message-ID: <26574F0076BFF449ADAE582D9E67780C01E289D4@esebe006.ntc.nokia.com> X-MS-Has-Attach: yes Thread-Topic: Two trivial changes to yesterday's FLUTE 05 spec. Thread-Index: AcOqJ0hKNZkmHF3uRbCr73+VEV4WGAAbEdYQ To: X-OriginalArrivalTime: 14 Nov 2003 09:56:42.0882 (UTC) FILETIME=[9B4C3E20:01C3AA95] Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , This is a multi-part message in MIME format. ------_=_NextPart_001_01C3AA95.9B359A2C Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dear RMT folks, One of the FLUTE authors (Rami Lehtonen) found four minor issues with = FLUTE 05. -Version number to be changed to 4 bits (as used usually, for example in = ALC) -Version number scheme to be changed. For FLUTE version 1 the field will = use value '1' instead of '0'. -The FLUTE 05 had a typo in in chapter 3.4.3. In the figure, the field = "FDT instance ID"=20 should be replaced with "reserved" text -Explicitely state that when EXT_COMP header is used, it is used = together with a proper FDT instance header. (Actually, this was implicit in the document. However, making it = explicit makes text specification clearer=3D I took time and typed the final adjustements in; please find document = FLUTE 06 attached.=20 I will now proceed to submit the draft to I-D queue. After that I certainly feel that FLUTE 06 is ready for WGLC.=20 Best Regards, Toni > -----Original Message----- > From: rmt-admin@ietf.org [mailto:rmt-admin@ietf.org]On Behalf Of ext > toni.paila@nokia.com > Sent: 13 November, 2003 22:47 > To: rmt@ietf.org > Subject: [Rmt] Two trivial changes to yesterday's FLUTE 05 spec. >=20 >=20 > Dear RMT folks, >=20 > I got two last minute comments directly after sending FLUTE -05 out. > I think both comments are valid and make FLUTE even more usable. >=20 > (1.) The version of FLUTE should be signalled in EXT_FDT to enable=20 > forward extensibility some day. The field enables receivers > quickly and with low resource consumption to determine whether=20 > it can or cannot understand the protocol version. >=20 > (2.) The FLUTE specification should allow use of optional compression > for the FDT Instance Payload. The compression should be a new > optional header extension that may be applied to FDT Instances.=20 >=20 > Implementing the changes is very straightforward. > The changes needed are: >=20 > ----------- > Change (1.) > ----------- >=20 > Old text: > " > 3.4.1 Format of FDT Instance Header >=20 > FDT Instance Header (EXT_FDT) is a new fixed length, ALC=20 > PI specific > LCT header extension [4]. The Header Extension Type (HET) for the > extension is 192. Its format is defined below: >=20 >=20 > 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 > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > | HET =3D 192 | FDT Instance ID | > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ >=20 >=20 > FDT Instance ID, 24 bits: >=20 > For each file delivery session the numbering of FDT=20 > Instances starts > from '0' and is incremented by exactly one for each subsequent FDT > Instance. After reaching the maximum value (2^24-1), the numbering > starts again from '0'. When wraparound from 2^24-1 to 0=20 > occurs, 0 is > considered higher than 2^24-1. Receiver handling of wraparound and > other special situations (for example, missing FDT Instance IDs > resulting in longer increments than one) is left out of this > specification to individual implementations of FLUTE. > " >=20 >=20 > New text: > " > 3.4.1 Format of FDT Instance Header >=20 > FDT Instance Header (EXT_FDT) is a new fixed length, ALC=20 > PI specific > LCT header extension [4]. The Header Extension Type (HET) for the > extension is 192. Its format is defined below: >=20 >=20 > 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 > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > | HET =3D 192 | V | FDT Instance ID | > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > =20 > Version of FLUTE, 2 bits: > =20 > This document specifies FLUTE version 1. Hence in any ALC packet=20 > that belongs to the file delivery session as specified in=20 > this specification=20 > MUST set this field to '0'. >=20 > FDT Instance ID, 22 bits: >=20 > For each file delivery session the numbering of FDT=20 > Instances starts > from '0' and is incremented by exactly one for each subsequent FDT > Instance. After reaching the maximum value (2^22-1), the numbering > starts again from '0'. When wraparound from 2^22-1 to 0=20 > occurs, 0 is > considered higher than 2^22-1. Receiver handling of wraparound and > other special situations (for example, missing FDT Instance IDs > resulting in longer increments than one) is left out of this > specification to individual implementations of FLUTE. > " >=20 >=20 > ----------- > Change (2.) > ----------- >=20 > New section 3.4.3: >=20 > " > 3.4.3 Compression of FTD Instances >=20 > The FDT Instance payload MAY be compressed. This=20 > specification defines > FDT Instance Compression Header (EXT_COMP). EXT_COMP is a=20 > new fixed length,=20 > ALC PI specific LCT header extension [4]. The Header=20 > Extension Type (HET)=20 > for the extension is 193. If the FDT Instance payload is=20 > compressed,=20 > the EXT_COMP MUST be used to signal the compression type.=20 > In that case, EXT_COMP header extension MUST be used in=20 > all ALC packets=20 > carrying the same FDT Instance ID. Within a file delivery=20 > session, both=20 > uncompressed and compressed FDT Instances MAY appear. If=20 > compression is not=20 > used for a given FDT Instance, the EXT_COMP MUST NOT be=20 > used in any packet=20 > carrying the FDT Instance ID. The format of EXT_COMP is=20 > defined below: >=20 > 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 > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > | HET =3D 193 | Comp | Reserved | > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ > =20 > Compression algoritm (Comp), 8 bits: > =20 > This field signals the compression algrorithm used in the=20 > FDT Instance=20 > payload. The definition of this field is outside the scope of this=20 > specification. Applicable compression algorithms include,=20 > for example, > Zlib [Ref RFC 1950], DEFLATE [Ref RFC 1951] and Gzip [Ref=20 > RFC 1952]. > =20 > Reserved, 16 bits: >=20 > This field MUST be set to all '0'. > " >=20 > In addition, I will add three Informational References=20 > (RFC-1950, RFC-1951 and RFC-1952). >=20 > Fortunately I did not submit FLUTE 05 to I-D queue yesterday. > Thus, will implement the changes above to the draft I sent > on the RMT mailing list yesterday. Consequently, I will submit=20 > updated FLUTE 05. >=20 > If you agree, it would be great to have working group last call on=20 > the draft immediately to move it to an Experimental RFC. >=20 >=20 > Best Regards, > Toni >=20 ------_=_NextPart_001_01C3AA95.9B359A2C Content-Type: application/x-zip-compressed; name="draft-ietf-rmt-flute-06.zip" Content-Description: draft-ietf-rmt-flute-06.zip Content-Disposition: attachment; filename="draft-ietf-rmt-flute-06.zip" Content-Transfer-Encoding: base64 UEsDBBQAAAAIAJJcbi+yQV4N8E8AAMMkAQAbAAAAZHJhZnQtaWV0Zi1ybXQtZmx1dGUtMDYudHh0 7X1rc9tIkuDn7bj+DxX6YmmWpEXJdtve8czQerQ5I8k6ie6e2Y6+DZAESYxBgAuAktWxP/7yWQ8A pORuaWNub+SIbokEsrKqsvKdWd9+8+03V+cj81t+Rj1zGSVp9O03w6yKiyyuusdFNKvuf7Pl5yL/ nACkky+rpIjLt+Y8ujP9Fx1zsL//4v633c95z5ytx3fffnP/o+0/x8k8qaLUnObrrIqS7NdDop8r wCdeVHkW/1ZIozhNomsAVES/ERL+/NAzV/nk10MaXlwNB+ZqAfh0B+kqLn87TrBUP0ZpuXiE2Vl6 uv/B1p+L/CZejuNCSfDw22/wn3vg9OzT6MR0zWmSxuYYduYmLu4MvFWYT1kyBRqeVEmeAR2Niigr 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esmtp (Exim 4.20) id 1AL2R0-00058a-U8 for rmt@optimus.ietf.org; Sat, 15 Nov 2003 10:34:02 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id KAA10617 for ; Sat, 15 Nov 2003 10:33:48 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AL2Qy-0001JA-00 for rmt@ietf.org; Sat, 15 Nov 2003 10:34:00 -0500 Received: from mx.webfountain.com ([63.161.54.39]) by ietf-mx with smtp (Exim 4.12) id 1AL2Qw-0001Iw-00 for rmt@ietf.org; Sat, 15 Nov 2003 10:33:58 -0500 Received: (qmail 28749 invoked from network); 15 Nov 2003 15:33:24 -0000 Received: from mail.intranet (10.1.1.37) by mx.webfountain.com with SMTP; 15 Nov 2003 15:33:24 -0000 Received: by mail.intranet (8.12.1/8.12.1/Debian -5) with SMTP id hAFFcc8f027386; Sat, 15 Nov 2003 07:38:38 -0800 From: "Michael Luby" To: "Rmt@ietf. org" Cc: "Michael Luby" Date: Sat, 15 Nov 2003 07:33:18 -0800 Message-ID: MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_NextPart_000_0000_01C3AB4A.BD42D830" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2911.0) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Importance: Normal Subject: [Rmt] FLUTE 06 Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , This is a multi-part message in MIME format. ------=_NextPart_000_0000_01C3AB4A.BD42D830 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Please find attached the -06 version of FLUTE. This was submitted as an RMT wg ID this past Friday and should appear very soon in the list of IDs available off the IETF webpage. I'm sending this out so that people can get a chance to see it if they want before that time. --Mike ------=_NextPart_000_0000_01C3AB4A.BD42D830 Content-Type: text/plain; name="draft-ietf-rmt-flute-06.txt" Content-Disposition: attachment; filename="draft-ietf-rmt-flute-06.txt" Content-Transfer-Encoding: quoted-printable RMT T. Paila Internet-Draft Nokia Expires: May 14, 2004 M. Luby Digital Fountain R. Lehtonen TeliaSonera V. Roca INRIA Rhone-Alpes R. Walsh Nokia November 14, 2003 FLUTE - File Delivery over Unidirectional Transport draft-ietf-rmt-flute-06.txt Status of this Memo This document is an Internet-Draft and is in full conformance with all provisions of Section 10 of RFC2026. Internet-Drafts are working documents of the Internet Engineering Task Force (IETF), its areas, and its working groups. Note that other groups may also distribute working documents as Internet-Drafts. Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress." The list of current Internet-Drafts can be accessed at http:// www.ietf.org/ietf/1id-abstracts.txt. The list of Internet-Draft Shadow Directories can be accessed at http://www.ietf.org/shadow.html. This Internet-Draft will expire on May 14, 2004. Copyright Notice Copyright (C) The Internet Society (2003). All Rights Reserved. Abstract This document defines FLUTE, a protocol for the unidirectional delivery of files over the Internet, which is particularly suited to multicast networks. The specification builds on Asynchronous Layered Coding, the base protocol designed for massively scalable multicast distribution. Paila, et al. Expires May 14, 2004 [Page 1] =0C Internet-Draft FLUTE November 2003 Table of Contents 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 Applicability Statement . . . . . . . . . . . . . . . . . . 4 1.1.1 The Target Application Space . . . . . . . . . . . . . . . . 4 1.1.2 The Target Scale . . . . . . . . . . . . . . . . . . . . . . 4 1.1.3 Intended Environments . . . . . . . . . . . . . . . . . . . 4 1.1.4 Weaknesses . . . . . . . . . . . . . . . . . . . . . . . . . 5 2. Conventions used in this document . . . . . . . . . . . . . 5 3. File delivery . . . . . . . . . . . . . . . . . . . . . . . 5 3.1 File delivery session . . . . . . . . . . . . . . . . . . . 6 3.2 File Delivery Table . . . . . . . . . . . . . . . . . . . . 7 3.3 Dynamics of FDT Instances within file delivery session . . . 9 3.4 Structure of FDT Instance . . . . . . . . . . . . . . . . . 10 3.4.1 Format of FDT Instance Header . . . . . . . . . . . . . . . 11 3.4.2 Syntax of FDT Instance Payload . . . . . . . . . . . . . . . 12 3.4.3 Compression of FTD Instance Payload . . . . . . . . . . . . 14 3.5 Multiplexing of files within a file delivery session . . . . 15 4. Channels, congestion control and timing . . . . . . . . . . 15 5. Delivering FEC Object Transmission Information . . . . . . . 16 5.1 Use of EXT_FTI for delivery of FEC Object Transmission Information . . . . . . . . . . . . . . . . . . . . . . . . 17 5.1.1 General EXT_FTI format . . . . . . . . . . . . . . . . . . . 17 5.1.2 FEC Encoding ID specific formats for EXT_FTI . . . . . . . . 18 5.2 Use of FDT for delivery of FEC Object Transmission Information . . . . . . . . . . . . . . . . . . . . . . . . 22 6. Describing file delivery sessions . . . . . . . . . . . . . 22 7. Security Considerations . . . . . . . . . . . . . . . . . . 23 8. IANA Considerations . . . . . . . . . . . . . . . . . . . . 25 9. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 26 Normative references . . . . . . . . . . . . . . . . . . . . 26 Informative references . . . . . . . . . . . . . . . . . . . 26 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . 27 A. Receiver operation (informative) . . . . . . . . . . . . . . 28 B. Example of FDT Instance Payload (informative) . . . . . . . 29 Intellectual Property and Copyright Statements . . . . . . . 31 Paila, et al. Expires May 14, 2004 [Page 2] =0C Internet-Draft FLUTE November 2003 1. Introduction This document defines FLUTE version 1, a protocol for unidirectional delivery of files over the Internet. The specification builds on Asynchronous Layered Coding (ALC), version 1 [3], the base protocol designed for massively scalable multicast distribution. ALC defines transport of arbitrary binary objects. For file delivery applications mere transport of objects is not enough, however. The end systems need to know what do the objects actually represent. This document specifies a technique called FLUTE - a mechanism for signalling and mapping the properties of files to concepts of ALC in a way that allows receivers to assign those parameters for received objects. Consequently, throughout this document the term 'file' relates to an 'object' as discussed in ALC. Although this specification frequently makes use of multicast addressing as an example, the techniques are similarly applicable for use with unicast addressing. This document defines a specific transport application of ALC, adding the following specifications: - Definition of a file delivery session built on top of ALC, including transport details and timing constraints. - In-band signalling of the transport parameters of the ALC session. - In-band signalling of the properties of delivered files. - Details associated with the multiplexing of multiple files within a session. This specification is structured as follows. Chapter 3 begins by defining the concept of the file delivery session. Following that it introduces the File Delivery Table that forms the core part of this specification. Further, it discusses multiplexing issues of transport objects within a file delivery session. Chapter 4 describes the use of congestion control and channels with FLUTE. Chapter 5 defines how the FEC Object Transmission Information is to be delivered within a file delivery session. Chapter 6 defines the required parameters for describing file delivery sessions in a general case. Chapter 7 outlines security considerations regarding file delivery with FLUTE. Last, there are two informative appendixes. The first appendix gives an example of File Delivery Table. The second appendix describes an envisioned receiver operation for the receiver of the file delivery session. Paila, et al. Expires May 14, 2004 [Page 3] =0C Internet-Draft FLUTE November 2003 Statement of Intent This memo contains part of the definitions necessary to fully specify a Reliable Multicast Transport protocol in accordance with RFC2357. As per RFC2357, the use of any reliable multicast protocol in the Internet requires an adequate congestion control scheme. While waiting for such a scheme to be available, or for an existing scheme to be proven adequate, the Reliable Multicast Transport working group (RMT) publishes this Request for Comments in the "Experimental" category. It is the intent of RMT to re-submit this specification as an IETF Proposed Standard as soon as the above condition is met. 1.1 Applicability Statement 1.1.1 The Target Application Space FLUTE is applicable to the delivery of large and small files to many hosts, using delivery sessions of several seconds or more. For instance, FLUTE could be used for the delivery of large software updates to many hosts simultaneously. It could also be used for continuous, but segmented, data such as time-lined text for subtitling - potentially leveraging its layering inheritance from ALC and LCT to scale the richness of the session to the congestion status of the network. It is also suitable for the basic transport of metadata, for example SDP files which enable user applications to access multimedia sessions. 1.1.2 The Target Scale Massive scalability is a primary design goal for FLUTE. IP multicast is inherently massively scalable, but the best effort service that it provides does not provide session management functionality, congestion control or reliability. FLUTE provides all of this using ALC and IP multicast without sacrificing any of the inherent scalability of IP multicast. 1.1.3 Intended Environments All of the environmental requirements and considerations that apply to the ALC building block [3] and to any additional building blocks that FLUTE uses also apply to FLUTE. FLUTE can be used with both multicast and unicast delivery, but it's Paila, et al. Expires May 14, 2004 [Page 4] =0C Internet-Draft FLUTE November 2003 primary application is for unidirectional multicast delivery. FLUTE requires connectivity between a sender and receivers but does not require connectivity from receivers to a sender. FLUTE inherently works with all types of networks, including LANs, WANs, Intranets, the Internet, asymmetric networks, wireless networks, and satellite networks. Thus, the inherent raw scalability of FLUTE is unlimited. FLUTE is compatible with both IPv4 or IPv6 as no part of the packet is IP version specific. FLUTE works with both multicast models: Any-Source Multicast (ASM) [13] and the Source-Specific Multicast (SSM) [15]. FLUTE is applicable for both Internet use, with a suitable congestion control building block, and provisioned/controlled systems, such as delivery over wireless broadcast radio systems. 1.1.4 Weaknesses Some networks are not amenable to some congestion control protocols that could be used with FLUTE. In particular, for a satellite or wireless network, there may be no mechanism for receivers to effectively reduce their reception rate since there may be a fixed transmission rate allocated to the session. FLUTE provides reliability using the FEC building block. This will reduce the error rate as seen by applications. However, FLUTE does not provide a method for senders to verify the reception success of receivers, and the specification of such a method is outside the scope of this document. 2. Conventions used in this document The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in RFC 2119 [2]. The terms "object" and "transport object" are consistent with the definitions in ALC [3] and LCT [4]. The terms "file" and "source object" are pseudonyms for "object". 3. File delivery Asynchronous Layered Coding [3] is a protocol designed for delivery of arbitrary binary objects. It is especially suitable for massively scalable, unidirectional, multicast distribution. ALC provides the basic transport for FLUTE, and thus FLUTE inherits the requirements of ALC. Paila, et al. Expires May 14, 2004 [Page 5] =0C Internet-Draft FLUTE November 2003 This specification is designed for the delivery of files. The core of this specification is to define how the properties of the files are carried in-band together with the delivered files. As an example, let us consider a 5200 byte file referred to by "www.ex.com/docs/file.txt". Using the example, the following properties describe the properties that need to be conveyed by the file delivery protocol. * Location of the file, expressed as either absolute or relative URI. In the above example: "www.ex.com/docs/file.txt" * File name (usually, this can be concluded from the URI). In the above example: "file.txt" * File type, expressed as MIME media type (usually, this can also be concluded from the extension of the file name). In the above example: "text/plain" * File size, expressed in bytes. In the above example: "5200" * Content encoding of the file, within transport. In the above example, the file could be encoded using ZLIB [11]. In this case the size of the transport object carrying the file would probably differ from the file size. * Security properties of the file such as digital signatures, message digestives, etc. 3.1 File delivery session ALC is a protocol instantiation of Layered Coding Transport building block (LCT) [4]. Thus ALC inherits the session concept of LCT. In this document we will use the concept ALC/LCT session to collectively denote the interchangeable terms ALC session and LCT session. An ALC/LCT session consists of a set of logically grouped ALC/LCT channels associated with a single sender sending packets with ALC/LCT headers for one or more objects. An ALC/LCT channel is defined by the combination of a sender and an address associated with the channel by the sender. A receiver joins a channel to start receiving the data packets sent to the channel by the sender, and a receiver leaves a channel to stop receiving data packets from the channel. One of the fields carried in the ALC/LCT header is the Transport Session Identifier (TSI). The TSI is scoped by the source IP address, and the (source IP address, TSI) pair uniquely identifies a session, Paila, et al. Expires May 14, 2004 [Page 6] =0C Internet-Draft FLUTE November 2003 i.e., the receiver uses this pair carried in each packet to uniquely identify from which session the packet was received. In case multiple objects are carried within a session another field within the ALC/LCT header, the Transport Object Identifier (TOI), identifies from which object within the session the data in the packet was generated. Note that each object is associated with a unique TOI within the scope of a session. When FLUTE is used for file delivery over ALC the following rules apply: * The ALC/LCT session is called file delivery session. * The ALC/LCT concept of 'object' denotes either a 'file' or a 'File Delivery Table Instance' (section 3.2) * The TOI field MUST be included in ALC packets sent within a FLUTE session, with the exception that ALC packets sent in a FLUTE session with the Close session (A) flag set to 1 (signaling the end of the session) and containing no payload MAY not include the TOI. See Section 5.1 of RFC 3451 [4] for the LCT definition of the Close session flag, and see Section 4.2 of RFC 3450 [3] for an example of its use within an ALC packet. * The TOI value '0' is reserved for delivery of File Delivery Table Instances. * Each file in a file delivery session MUST be associated with a TOI (>0) in the scope of that session. 3.2 File Delivery Table The File Delivery Table (FDT) provides a means to describe various attributes associated with files that are to be delivered within the file delivery session. The following lists are examples of such attributes, and are not intended to be mutually exclusive. Attributes related to the delivery of file: - TOI value that represents the file - FEC Instance ID - FEC Object Transmission Information Paila, et al. Expires May 14, 2004 [Page 7] =0C Internet-Draft FLUTE November 2003 - Size of the transport object carrying the file - Aggregate rate of sending packets to all channels Attributes related to the file itself: - Name, Identification and Location of file (specified by the URI) - MIME media type of file - Size of file - Encoding of file - Message digest of file Some of these attributes MUST be included in the file description entry for a file, others are optional, as defined in section 3.4.2. Logically, the FDT is a set of file description entries for files to be delivered in the session. Each file description entry MUST include the TOI for the file that it describes and the URI indicating the location of the file. The TOI is included in each ALC/LCT data packet during the delivery of the file, and thus the TOI carried in the file description entry is how the receiver determines which ALC/LCT data packets contain information about which file. Each file description entry may also contain one or more descriptors that map the above-mentioned attributes to the file. Each file delivery session MUST have an FDT that is local to the given session. The FDT MUST provide a file description entry mapped to a TOI for each file appearing within the session. An object that is delivered within the ALC session, but not described in the FDT, is not considered a 'file' belonging to the file delivery session. Handling of these unmapped TOIs (TOIs that are not resolved by the FDT) is out of scope of this specification. Within the file delivery session the FDT is delivered as FDT Instances. An FDT Instance contains one or more file description entries of the FDT. Any FDT Instance can be equal to, a subset of, a superset of, or complement any other FDT Instance. A certain FDT Instance may be repeated several times during a session, even after subsequent FDT Instances (with higher FDT Instance ID numbers) have been transmitted. In minimum the FDT Instance contains a single file description entry. In maximum the FDT Instance contains the complete FDT of the file delivery session. A receiver of the file delivery session keeps an FDT database for Paila, et al. Expires May 14, 2004 [Page 8] =0C Internet-Draft FLUTE November 2003 received file description entries. The receiver maintains the database, for example, upon reception of FDT Instances. Thus, at any given time the contents of the FDT database represent the receiver's current view of the FDT of the file delivery session. Since each receiver behaves independently of other receivers, it SHOULD NOT be assumed that the contents of the FDT database are the same for all the receivers of a given file delivery session. Since FDT database is an abstract concept, the structure and the maintaining of the FDT database are left to individual implementations and are thus out of scope of this specification. 3.3 Dynamics of FDT Instances within file delivery session The following rules define the dynamics of the FDT Instances within a file delivery session: * For every file delivered within a file delivery session there MUST be a file description entry included in at least one FDT Instance sent within the session. In minimum, a file description entry contains the mapping to TOI and the URI. * An FDT Instance MAY appear in any part of the file delivery session and even multiplexed with other files or other FDT Instances. * The TOI value of '0' MUST be reserved for delivery of FDT Instances. The use of other TOI values for FDT Instances is outside the scope of this specification. * FDT Instance is identified by the use of a new fixed length LCT Header Extension EXT_FDT (defined later in this chapter). Each FDT Instance is uniquely identified within the file delivery session by its FDT Instance ID. Any ALC/LCT packet carrying FDT Instance (indicated by TOI =3D 0) MUST include EXT_FDT. * It is RECOMMENDED that FDT Instance that contains the file description entry for a file is sent prior to the sending of the described file within a file delivery session. * Within a file delivery session, any TOI MAY be described more than once. An example: previous FDT Instance 0 describes TOI of value '3'. Now, subsequent FDT Instances can either keep TOI '3' unmodified on the table, not to include it or complement the description. However, subsequent FDT Instances MUST NOT change the parameters already described for a specific TOI. Paila, et al. Expires May 14, 2004 [Page 9] =0C Internet-Draft FLUTE November 2003 * An FDT Instance is valid until its expiration time. The expiration time is expressed within the FDT Instance payload as a 32 bit data field. The value of the data field represents the 32 most significant bits of a 64 bit Network Time Protocol (NTP) [6] time value. Wrap-around of the 32 bit time is to be handled according to NTP. * The receiver behaviour upon expiration of the FDT Instance is out of scope of this specification. * A sender MUST use an expiry time in the future upon creation of an FDT Instance. * Any FEC Encoding ID MAY be used for the sending of FDT Instances. The default is to use FEC Encoding ID 0 for the sending of FDT Instances. (Note that since FEC Encoding ID 0 is the default for FLUTE, this implies that Source Block Number and Encoding Symbol ID lengths both default to 16 bytes each.) Generally, a receiver needs to receive an FDT Instance describing a file before it is able to recover the file itself. In this sense FDT Instances are of higher priority than files. Thus, it is RECOMMENDED that FTD Instances describing a file be sent with at least as much reliability within a session (more often or with more FEC protection) as the files they describe. In particular, if FDT Instances are generally longer than one encoding symbol in length it is RECOMMENDED that an FEC code that can provide protection against loss be used for delivering FDT Instances, i.e., in this case it is RECOMMENDED not to use FEC Encoding ID 0. How often the description of a file is sent in an FDT Instance or how much FEC protection is provided for each FDT Instance (if the FDT Instance is longer than one encoding symbol) is dependent on the particular application and outside the scope of this document. 3.4 Structure of FDT Instance The FDT Instance consists of two parts: FDT Instance Header and FDT Instance Payload. The FDT Instance Header is a new fixed length LCT Header extension (EXT_FDT). It contains the FDT Instance ID that uniquely identifies FDT instances within a file delivery session. The FDT Instance Header is placed in the same way as any other LCT extension header. There MAY be other LCT extension headers in use. The LCT extension headers are followed by the FEC Payload ID, and finally the Encoding Symbols for the FDT Instance Payload which contains one or more file description entries. The FDT Instance Payload MAY span over several ALC packets - the number of ALC packets is a function of the FEC Object Transmission Information associated Paila, et al. Expires May 14, 2004 [Page 10] =0C Internet-Draft FLUTE November 2003 to this FDT Instance. The FDT Instance Header is carried in each ALC packet carrying FDT Instance. The FDT Instance Header is identical for all the ALC/LCT packets carrying parts of a particular FDT Instance. The overall format of ALC/LCT packets carrying FDT Instance is depicted in the Figure 1 below. As defined in [3], all ALC/LCT packets are sent using UDP. +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | UDP header | | | = +=3D+=3D+=3D+=3D+=3D+=3D+=3D+=3D+=3D+=3D+=3D+=3D+=3D+=3D+=3D+=3D+=3D+=3D+= =3D+=3D+=3D+=3D+=3D+=3D+=3D+=3D+=3D+=3D+=3D+=3D+=3D+=3D+ | Default LCT header (with TOI =3D 0) | | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | LCT header extensions (EXT_FDT, EXT_FTI, etc.) | | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | FEC Payload ID | | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Encoding Symbol(s) of FDT Instance Payload | | ... | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Figure 1 - Overall FDT Packet 3.4.1 Format of FDT Instance Header FDT Instance Header (EXT_FDT) is a new fixed length, ALC PI specific LCT header extension [4]. The Header Extension Type (HET) for the extension is 192. Its format is defined below: 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 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | HET =3D 192 | V | FDT Instance ID | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Version of FLUTE (V), 4 bits: This document specifies FLUTE version 1. Hence in any ALC packet that Paila, et al. Expires May 14, 2004 [Page 11] =0C Internet-Draft FLUTE November 2003 carries FDT Instance and that belongs to the file delivery session as specified in this specification MUST set this field to '1'. FDT Instance ID, 20 bits: For each file delivery session the numbering of FDT Instances starts from '0' and is incremented by exactly one for each subsequent FDT Instance. After reaching the maximum value (2^20-1), the numbering starts again from '0'. When wraparound from 2^20-1 to 0 occurs, 0 is considered higher than 2^20-1. Receiver handling of wraparound and other special situations (for example, missing FDT Instance IDs resulting in longer increments than one) is left out of this specification to individual implementations of FLUTE. 3.4.2 Syntax of FDT Instance Payload The FDT Instance Payload contains file description entries that provide the mapping functionality described in 3.2 above. The FDT Instance Payload is an XML structure that has a single root element "FDT-Payload". The "FDT-Payload" element MUST contain "Expires" attribute, which tells the expiry time of the FDT Instance Payload. In addition, the "FDT-Payload" element MAY contain "Complete" attribute (boolean), which MAY be used to signal that the given FDT Instance is the last FDT Instance to be expected on this file delivery session. For each file to be declared in the given FDT Instance there is a single file description entry in the FDT Instance Payload. Each entry is represented by element "File" which is a child element of the FDT Payload structure. The attributes of "File" element in the XML structure represent the attributes given to the file that is delivered in the file delivery session. Each "File" element MUST contain at least two attributes "TOI" and "Content-Location". "TOI" MUST be assigned a valid TOI value as described in section 3.3 above. "Content-Location" MUST be assigned a valid URI as defined in [7]. In addition to mandatory attributes, the "File" entity MAY contain other attributes of which the following are specifically pointed out. * If the MIME type of the file is described, attribute "Content-Type" MUST be used for the purpose as defined in [7]. * If the length of the file is described, attribute "Content-Length" MUST be used for the purpose as defined in [7]. If the length of the file is different than the length of the transport object that carries it (the file was content encoded before transport), another attribute "Transfer-Length" MAY be used. The attribute Paila, et al. Expires May 14, 2004 [Page 12] =0C Internet-Draft FLUTE November 2003 "Transfer-Length" specifies the size of the transport object in bytes. * If the content encoding scheme of the file is described, attribute "Content-Encoding" MUST be used for the purpose as defined in [7]. * If the MD5 message digest of the file is described, attribute "Content-MD5" MUST be used for the purpose as defined in [7]. * The FEC Object Transmission Information attributes as described in section 5.2. The following specifies the XML Schema [9][10] for FDT Instance Payload: Paila, et al. Expires May 14, 2004 [Page 13] =0C Internet-Draft FLUTE November 2003 Any XML document that conforms with the above XML Schema is a valid FDT. This way FDT provides extensibility to support private attributes within the file description entries. Those could be, for example, the attributes related to the delivery of the file (timing, packet transmission rate, etc.). In case the basic FDT XML Schema is extended in terms of new descriptors, those MUST be placed within the attributes of the element "File". It is RECOMMENDED that the new descriptors applied in the FDT are in the format of MIME fields and are either defined in HTTP/1.1 specification [7] or otherwise well-known specification. 3.4.3 Compression of FTD Instance Payload The FDT Instance Payload MAY be compressed. This specification defines FDT Instance Compression Header (EXT_COMP). EXT_COMP is a new fixed length, ALC PI specific LCT header extension [4]. The Header Extension Type (HET) for the extension is 193. If the FDT Instance Payload is compressed, the EXT_COMP MUST be used to signal the compression type. In that case, EXT_COMP header extension MUST be used in all ALC packets carrying the same FDT Instance ID. Consequently, when EXT_COMP header is used, it MUST be used together with a proper FDT Instance Header (EXT_FDT). Within a file delivery session, both uncompressed and compressed FDT Instances MAY appear. If compression is not used for a given FDT Instance, the EXT_COMP MUST NOT be used in any packet carrying the FDT Instance. The format of EXT_COMP is defined below: 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 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | HET =3D 193 | Comp | Reserved | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Compression algoritm (Comp), 8 bits: Paila, et al. Expires May 14, 2004 [Page 14] =0C Internet-Draft FLUTE November 2003 This field signals the compression algrorithm used in the FDT Instance payload. The definition of this field is outside the scope of this specification. Applicable compression algorithms include, for example, ZLIB [11], DEFLATE [16] and GZIP [17]. Reserved, 16 bits: This field MUST be set to all '0'. 3.5 Multiplexing of files within a file delivery session The delivered files are carried as transport objects (identified with TOIs) in the file delivery session. All these objects, including the FDT Instances, MAY be multiplexed in any order and in parallel with each other. Especially multiple FDT Instances MAY be delivered during the session in a particular TOI. In this case, it is RECOMMENDED that the sending of a previous FDT Instance SHOULD end before the sending of the next FDT Instance starts. However, due to unexpected network conditions the FDT Instances MAY be multiplexed packetwise. In that case, the FDT Instances are uniquely identified by their FDT Instance ID carried in the EXT_FDT headers. 4. Channels, congestion control and timing ALC/LCT has a concept of channels and congestion control. There are four scenarios FLUTE is envisioned to be applied. (a) Use a single channel and a single-rate congestion control protocol. (b) Use multiple channels and a multiple-rate congestion control protocol. In this case the FDT Instances MAY be delivered on more than one channel. (c) Use a single channel without congestion control supplied by ALC, but only when in a controlled network environment where flow/ congestion control is being provided by other means. (d) Use multiple channels without congestion control supplied by ALC, but only when in a controlled network environment where flow/ congestion control is being provided by other means. In this case the FDT Instances MAY be delivered on more than one channel. When using just one channel for a file delivery session, as in (a) and (c), the notion of 'prior' and 'after' are intuitively defined for the delivery of objects with respect to their delivery times. Paila, et al. Expires May 14, 2004 [Page 15] =0C Internet-Draft FLUTE November 2003 However, if multiple channels are used, as in (b) and (d), it is not straightforward to state that an object was delivered 'prior' to the other. An object may begin to be delivered on one or more of those channels before the delivery of a second object begins. However, the use of multiple channels/layers may complete the delivery of the second object before the first. This is not a problem when objects are delivered sequentially using a single channel. Thus, if the application of FLUTE has a mandatory or critical requirement that the first transport object must complete 'prior' to the second one, it is RECOMMENDED that only a single channel is used for the file delivery session. Furthermore, if multiple channels are used then a receiver joined to the session at a low reception rate will only be joined to the lower layers of the session. Thus, since FDTs are of higher priority to receive than files (because the reception of files depends on the reception of an FDT Instance describing it), the following is RECOMMENDED: 1. The layers to which packets for FDT Instances are sent SHOULD NOT be biased towards those layers to which lower rate receivers are not joined. For example, it is ok to put all the packets for an FDT instance into the lowest layer (if this layer carries enough packets to deliver the FDT to higher rate receivers in a reasonable amount of time), but it is not ok to put all the packets for an FDT instance into the higher layers that only high rate receivers will receive. 2. If FDT Instances are generally longer than one encoding symbol in length and some packets for FDT Instances are sent to layers that lower rate receivers do not receive, an FEC Encoding other than FEC Encoding ID 0 SHOULD be used to deliver FDT Instances. This is because in this case, even when there is no packet loss in the network, a lower rate receiver will not receive all packets sent for an FDT Instance. 5. Delivering FEC Object Transmission Information FLUTE inherits the use of FEC building block [5] from ALC. When using FLUTE for file delivery over ALC the FEC Object Transmission Information MUST be delivered in-band within the file delivery session. In this chapter, two methods are specified for FLUTE for this purpose: the use of ALC specific LCT extension header EXT_FTI [3], and, the use of FDT. The receiver of file delivery session MUST support delivery of FEC Object Transmission Information using the EXT_FTI for the FDT Paila, et al. Expires May 14, 2004 [Page 16] =0C Internet-Draft FLUTE November 2003 Instances carried using TOI value 0. For the TOI values other than 0 the receiver MUST support both methods: the use of EXT_FTI and the use of FDT. The FEC Object Transmission Information that needs to be delivered to receivers MUST be exactly the same whether it is delivered using EXT_FTI or using FDT (or both). Section 5.1 describes the required FEC Object Transmission Information that MUST be delivered to receivers for various FEC Encoding IDs. In addition, it describes the delivery using EXT_FTI. Section 5.2 describes the delivery using FDT. Delivery of FEC Object Transmission Information using out-of-band signaling is outside the scope of this specification. The FEC Object Transmission Information regarding a given TOI may be available from several sources. In this case, it is RECOMMENDED that the receiver of the file delivery session prioritizes the sources in the following way (in the order of decreasing priority). 1. FEC Object Transmission Information that is available in EXT_FTI. 2. FEC Object Transmission Information that is available in the FDT. 3. FEC Object Transmission Information that is available out of band. 5.1 Use of EXT_FTI for delivery of FEC Object Transmission Information As specified in [3], the EXT_FTI header extension is intended to carry in band the FEC Object Transmission Information for an object. It is left up to individual implementations to decide how frequently and in which ALC packets the EXT_FTI header extension is included. In environments with higher packet loss rate, the EXT_FTI might need to be included more frequently in ALC packets than in environments with low error probability. The EXT_FTI MUST be included in at least one sent ALC packet belonging to TOI 0. The ALC specification does not define the format or the processing of the EXT_FTI header extension. The following sections specify EXT_FTI when used in FLUTE. In FLUTE, the FEC Encoding ID (8 bits) is carried in the Codepoint field of the ALC/LCT header. 5.1.1 General EXT_FTI format The general EXT_FTI format specifies the structure and those attributes of FEC Object Transmission Information that are applicable to any FEC Encoding ID. Paila, et al. Expires May 14, 2004 [Page 17] =0C Internet-Draft FLUTE November 2003 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 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | HET =3D 64 | HEL | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + | Transfer Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | FEC Instance ID | FEC Enc. ID Specific Format | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Header Extension Type (HET), 8 bits: 64 as defined in [3] Header Extension Length (HEL), 8 bits: The length of the whole Header Extension field, expressed in multiples of 32-bit words. This length includes the FEC Encoding ID specific format part. Transfer Length, 48 bits: The length of the transport object that carries the file in bytes. (This is the same as the file length if the file is not content encoded.) FEC Instance ID, optional, 16 bits: This field is used for FEC Instance ID. It is only present if the value of FEC Encoding ID is in the range of 128-255. When the value of FEC Encoding ID is in the range of 0-127, this field is set to 0. FEC Encoding ID Specific Format: Different FEC encoding schemes will need different sets of encoding parameters. Thus, the structure and length of this field depends on FEC Encoding ID. The next sections specify structure of this field for FEC Encoding ID numbers 0, 128, 129 and 130. 5.1.2 FEC Encoding ID specific formats for EXT_FTI 5.1.2.1 FEC Encoding IDs 0, 128, and 130 FEC Encoding ID 0 is 'Compact No-Code FEC' (Fully-Specified) [8]. FEC Encoding ID 128 is 'Small Block, Large Block and Expandable FEC' (Under-Specified) [5]. FEC Encoding ID 130 is 'Compact FEC' (Under-Specified) [8]. For these FEC Encoding IDs, the FEC Encoding ID specific format of EXT_FTI is defined as follows. Paila, et al. Expires May 14, 2004 [Page 18] =0C Internet-Draft FLUTE November 2003 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 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ General EXT_FTI format | Encoding Symbol Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Maximum Source Block Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Encoding Symbol Length, 16 bits: Length of encoding symbol in bytes. All encoding symbols of a transport object MUST be equal to this length, with the optional exception of the last source symbol of the last source block (so that redundant padding is not mandatory in this last symbol). This last source symbol MUST be logically padded out with zeroes when another encoding symbol is computed based on this source symbol to ensure the same interpretation of this encoding symbol value by the sender and receiver. However, this padding need not be actually sent with the data of the last source symbol. Maximum Source Block Length, 32 bits The maximum number of source symbols per source block. This EXT_FTI specification requires that an algorithm is known to both sender and receivers for determining the size of all source blocks of the transport object that carries the file identified by the TOI (or within the FDT Instance identified by the TOI and the FDT Instance ID). The algorithm SHOULD be the same for all files using the same FEC Encoding ID within a session. Section 5.1.2.3 describes an algorithm that is RECOMMENDED for this use. For the FEC Encoding IDs 0, 128 and 130, this algorithm is the only well known way the receiver can determine the length of each source block. Thus, the algorithm does two things: (a) it tells the receiver the length of each particular source block as it is receiving packets for that source block - this is essential to all of these FEC schemes; and, (b) it provides the source block structure immediately to the receiver so that the receiver can determine where to save recovered source blocks at the beginning - this is an optimization which is essential for some implementations. 5.1.2.2 FEC Encoding ID 129 Small Block Systematic FEC (Under-Specified). The FEC Encoding ID Paila, et al. Expires May 14, 2004 [Page 19] =0C Internet-Draft FLUTE November 2003 specific format of EXT_FTI is defined as follows. 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 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ General EXT_FTI format | Encoding Symbol Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Maximum Source Block Length | Max. Num. of Encoding Symbols | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Encoding Symbol Length, 16 bits: Length of encoding symbol in bytes. Maximum Source Block Length, 16 bits: The maximum number of source symbols per source block. Maximum Number of Encoding Symbols, 16 bits: Maximum number of encoding symbols that can be generated for a source block. All encoding symbols of a transport object MUST be equal to this length, with the optional exception of the last source symbol of the last source block (so that redundant padding is not mandatory in this last symbol). This last source symbol MUST be logically padded out with zeroes when another encoding symbol is computed based on this source symbol to ensure the same interpretation of this encoding symbol value by the sender and receiver. However, this padding need not be actually sent with the data of the last source symbol. This EXT_FTI specification requires that an algorithm is known to both sender and receivers for determining the size of all source blocks of the transport object that carries the file identified by the TOI (or within the FDT Instance identified by the TOI and the FDT Instance ID). The algorithm SHOULD be the same for all files using the same FEC Encoding ID within a session. Section 5.1.2.3 describes an algorithm that is RECOMMENDED for this use. For FEC Encoding ID 129 the FEC Payload ID in each data packet already contains the source block length for the source block corresponding to the encoding symbol carried in the data packet. Thus, the algorithm for computing source blocks for FEC Encoding ID 129 could be to just use the source block lengths carried in data packets within the FEC Payload ID. However, the algorithm described in Section 5.1.2.3 is useful for the receiver to compute the source block structure at the beginning of the reception of data packets for Paila, et al. Expires May 14, 2004 [Page 20] =0C Internet-Draft FLUTE November 2003 the file. If the algorithm described in Section 5.1.2.3 is used then it MUST be the case that the source block lengths that appear in data packets agree with the source block lengths calculated by the algorithm. 5.1.2.3 Algorithm for Computing Source Block Structure This algorithm computes a source block structure so that all source blocks are as close to being equal length as possible. A first number of source blocks are of the same larger length, and the remaining second number of source blocks are sent of the same smaller length. The total number of source blocks (N), the first number of source blocks (I), the second number of source blocks (N-I), the larger length (A_large) and the smaller length (A_small) are calculated thus, Inputs: B -- Maximum Source Block length, i.e., the maximum number of source symbols per source block L -- Transfer length in bytes E -- Encoding Symbol Length in bytes Output: N -- The number of source blocks into which the transport object is partitioned. The number and lengths of source symbols in each of the N source blocks. Algorithm: (a) The number of source symbols in the transport object is computed as T =3D L/E rounded up to the nearest integer. (b) The transport object is partitioned into N source blocks, where N =3D T/B rounded up to the nearest integer (c) The average length of a source block, A =3D T/N (this may be non-integer) (d) A_large =3D A rounded up to the nearest integer (it will always be the case that the value of A_large is at most B) (e) A_small =3D A rounded down to the nearest integer (if A is an integer A_small =3D A_large, and otherwise A_small =3D A_large - 1) (f) The fractional part of A, A_fraction =3D A - A_small (g) I =3D A_fraction * N (I is an integer between 0 and N-1) (h) Each of the first I source blocks consists of A_large source symbols, each source symbol is E bytes in length. Each of the remaining N-I source blocks consist of A_small source symbols, each source symbol is E bytes in length except that the last source symbol of the last source block is L-(((L-1)/E) rounded Paila, et al. Expires May 14, 2004 [Page 21] =0C Internet-Draft FLUTE November 2003 down to the nearest integer)*E bytes in length. 5.2 Use of FDT for delivery of FEC Object Transmission Information The FDT delivers FEC Object Transmission Information for each file using an appropriate attribute within the "File" element of the FDT structure. For future FEC Encoding IDs, if the attributes listed below do not fulfil the needs of describing the FEC Object Transmission Information then additional new attributes MAY be used. * "Transfer-Length" is semantically equivalent with the field "Transfer Length" of EXT_FTI. * "FEC-OTI-FEC-Instance-ID" is semantically equivalent with the field "FEC Instance ID" of EXT_FTI. * "FEC-OTI-Maximum-Source-Block-Length" is semantically equivalent with the field "Maximum Source Block Length" of EXT_FTI for FEC Encoding IDs 0, 128 and 130, and semantically equivalent with the field "Maximum Source Block Length" of EXT_FTI for FEC Encoding ID 129. * "FEC-OTI-Encoding-Symbol-Length" is semantically equivalent with the field "Encoding Symbol Length" of EXT_FTI for FEC Encoding IDs 0, 128, 129 and 130. * "FEC-OTI-Max-Number-of-Encoding-Symbols" is semantically equivalent with the field "Maximum Number of Encoding Symbols" of EXT_FTI for FEC Encoding ID 129. 6. Describing file delivery sessions To start receiving a file delivery session, the receiver needs to know transport parameters associated with the session. Interpreting these parameters and starting the reception therefore represents the entry point from which thereafter the receiver operation falls into the scope of this specification. According to [3], the transport parameters of an ALC/LCT session that the receiver needs to know are: * The sender IP address; * The number of channels in the session; * The destination IP address and port number for each channel in the session; Paila, et al. Expires May 14, 2004 [Page 22] =0C Internet-Draft FLUTE November 2003 * The Transport Session Identifier (TSI) of the session; * An indication of whether or not the session carries packets for more than one object; Optionally, the following parameters MAY be associated with the session (Note, the list is not exhaustive): * The start time and end time of the session; * FEC Encoding ID and FEC Instance ID when the default FEC Encoding ID 0 is not used for the delivery of FDT; * Compression format if optional compression of FDT Instance Payload is used; * The FEC Object Transmission Information when this information is neither available in the EXT_FTI nor FDT as described in section 5. * Some information that tells receiver, in the first place, that the session contains files that are of interest How the receiver acquires the above-mentioned parameters is out of scope of this document. The specification, in particular, does not mandate or exclude any mechanism. The description can be conveyed to the receiver via techniques such as Session Announcement Protocol [12], email, accessing URL, manual configuration, etc. Similarly the format of this session description is out of the scope of this document. 7. Security Considerations The same security consideration that apply to ALC and to the LCT, FEC and the congestion control building block used in conjunction with FLUTE also apply to FLUTE. Because of the use of FEC, FLUTE is especially vulnerable to denial-of-service attacks by attackers that try to send forged packets to the session which would prevent successful reconstruction or cause inaccurate reconstruction of large portions of the FDT or file by receivers. Like ALC, FLUTE is particularly affected by such an attack because many receivers may receive the same forged packet. A malicious attacker may spoof file packets and cause incorrect recovery of a file. Even more damaging, a malicious forger may spoof FDT Instance packets, for example sending packets with erroneous FDT-Payload Paila, et al. Expires May 14, 2004 [Page 23] =0C Internet-Draft FLUTE November 2003 fields. Many attacks can follow this approach. For instance a malicious attacker may alter the Content-Location field of TOI 'n', to make it point to a system file or a user configuration file. Then, TOI 'n' can carry a Trojan horse or some other type of virus. It is thus RECOMMENDED that the FLUTE delivery service at the receiver does not have write access to the system files or directories, or any other critical areas. Another example is generating a bad Content-MD5 sum, leading receivers to reject the associated file that will be declared corrupted. The Content-Encoding can also be modified, which also prevents the receivers to correctly handle the associated file. These examples show that the FDT information is critical to the FLUTE delivery service. At the application level, it is RECOMMENDED that an integrity check on the entire received object be done once the object is reconstructed to ensure it is the same as the sent object, especially for objects that are FDT Instances. Moreover, in order to obtain strong cryptographic integrity protection a digital signature verifiable by the receiver SHOULD be used to provide this application level integrity check. However, if even one corrupted or forged packet is used to reconstruct the object, it is likely that the received object will be reconstructed incorrectly. This will appropriately cause the integrity check to fail and in this case the inaccurately reconstructed object SHOULD be discarded. Thus, the acceptance of a single forged packet can be an effective denial of service attack for distributing objects, but an object integrity check at least prevents inadvertent use of inaccurately reconstructed objects. The specification of an application level integrity check of the received object is outside the scope of this document. At the packet level, it is RECOMMENDED that a packet level authentication be used to ensure that each received packet is an authentic and uncorrupted packet containing FEC data for the object arriving from the specified sender. Packet level authentication has the advantage that corrupt or forged packets can be discarded individually and the received authenticated packets can be used to accurately reconstruct the object. Thus, the effect of a denial of service attack that injects forged packets is proportional only to the number of forged packets, and not to the object size. Although there is currently no IETF standard that specifies how to do multicast packet level authentication, TESLA [14] is a known multicast packet authentication scheme that would work. In addition to providing protection against reconstruction of inaccurate objects, packet level authentication can also provide some protection against denial of service attacks on the multiple rate congestion control. Attackers can try to inject forged packets with incorrect congestion control information into the multicast stream, Paila, et al. Expires May 14, 2004 [Page 24] =0C Internet-Draft FLUTE November 2003 thereby potentially adversely affecting network elements and receivers downstream of the attack, and much less significantly the rest of the network and other receivers. Thus, it is also RECOMMENDED that packet level authentication be used to protect against such attacks. TESLA [14] can also be used to some extent to limit the damage caused by such attacks. However, with TESLA a receiver can only determine if a packet is authentic several seconds after it is received, and thus an attack against the congestion control protocol can be effective for several seconds before the receiver can react to slow down the session reception rate. Reverse Path Forwarding checks SHOULD be enabled in all network routers and switches along the path from the sender to receivers to limit the possibility of a bad agent injecting forged packets into the multicast tree data path. A receiver with an incorrect or corrupted implementation of the multiple rate congestion control building block may affect health of the network in the path between the sender and the receiver, and may also affect the reception rates of other receivers joined to the session. It is therefore RECOMMENDED that receivers be required to identify themselves as legitimate before they receive the Session Description needed to join the session. How receivers identify themselves as legitimate is outside the scope of this document. Another vulnerability of FLUTE is the potential of receivers obtaining an incorrect Session Description for the session. The consequences of this could be that legitimate receivers with the wrong Session Description are unable to correctly receive the session content, or that receivers inadvertently try to receive at a much higher rate than they are capable of, thereby disrupting traffic in portions of the network. To avoid these problems, it is RECOMMENDED that measures be taken to prevent receivers from accepting incorrect Session Descriptions, e.g., by using source authentication to ensure that receivers only accept legitimate Session Descriptions from authorized senders. How this is done is outside the scope of this document. 8. IANA Considerations No information in this specification is directly subject to IANA registration. However, building blocks components used by ALC may introduce additional IANA considerations. In particular, the FEC building block used by FLUTE does require IANA registration of the FEC codecs used. Paila, et al. Expires May 14, 2004 [Page 25] =0C Internet-Draft FLUTE November 2003 9. Acknowledgements The following persons have contributed to this specification: Brian Adamson, Mark Handley, Esa Jalonen, Roger Kermode, Juha-Pekka Luoma, Jani Peltotalo, Sami Peltotalo, Topi Pohjolainen and Lorenzo Vicisano. The authors would like to thank all the contributors for their valuable work in reviewing and providing feedback regarding this specification. Normative references [1] Bradner, S., "The Internet Standards Process -- Revision 3", RFC 2026, BCP 9, October 1996. [2] Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels", RFC 2119, BCP 14, March 1997. [3] Luby, M., Gemmel, J., Vicisano, L., Rizzo, L. and J. Crowcroft, "Asynchronous Layered Coding (ALC) Protocol Instantiation", RFC 3450, December 2002. [4] Luby, M., Gemmel, J., Vicisano, L., Rizzo, L., Handley, M. and J. Crowcroft, "Layered Coding Transport (LCT) Building Block", RFC 3451, December 2002. [5] Luby, M., Gemmel, J., Vicisano, L., Rizzo, L., Handley, M. and J. Crowcroft, "Forward Error Correction (FEC) Building Block", RFC 3452, December 2002. [6] Mills, D., "Network Time Protocol (Version 3), Specification, Implementation and Analysis", RFC 1305, March 1992. [7] Fielding, R., Gettys, J., Mogul, J., Frystyk, H., Masinter, L., Leach, P. and T. Berners-Lee, "Hypertext Transfer Protocol -- HTTP/1.1", RFC 2616, June 1999. [8] Luby, M. and L. Vicisano, "Compact Forward Error Correction (FEC) Schemes", draft-ietf-rmt-bb-fec-supp-compact-01 (work in progress), May 2003. [9] Thompson, H., Beech, D., Maloney, M. and N. Mendelsohn, "XML Schema Part 1: Structures", W3C Recommendation, May 2001. [10] Biron, P. and A. Malhotra, "XML Schema Part 2: Datatypes", W3C Recommendation, May 2001. Informative references Paila, et al. Expires May 14, 2004 [Page 26] =0C Internet-Draft FLUTE November 2003 [11] Deutsch, P. and J-L. Gailly, "ZLIB Compressed Data Format Specification version 3.3", RFC 1950, May 1996. [12] Handley, M., Perkins, C. and E. Whelan, "Session Announcement Protocol", RFC 2974, October 2000. [13] Deering, S., "Host Extensions for IP Multicasting", RFC 1112, STD 5, August 1989. [14] Perrig, A., Canetti, R., Song, D. and J. Tygar, "Efficient and Secure Source Authentication for Multicast, Network and Distributed System Security Symposium, NDSS 2001, pp. 35-46.", February 2001. [15] Holbrook, H., "A Channel Model for Multicast, Ph.D. Dissertation, Stanford University, Department of Computer Science, Stanford, California", August 2001. [16] Deutsch, P., "DEFLATE Compressed Data Format Specification version 1.3", RFC 1951, May 1996. [17] Deutsch, P., "GZIP file format specification version 4.3", RFC 1952, May 1996. Authors' Addresses Toni Paila Nokia Itamerenkatu 11-13 Helsinki FIN-00180 Finland EMail: toni.paila@nokia.com Michael Luby Digital Fountain 39141 Civic Center Dr. Suite 300 Fremont, CA 94538 USA EMail: luby@digitalfountain.com Paila, et al. Expires May 14, 2004 [Page 27] =0C Internet-Draft FLUTE November 2003 Rami Lehtonen TeliaSonera Hatanpaan valtatie 18 Tampere FIN-33100 Finland EMail: rami.lehtonen@teliasonera.com Vincent Roca INRIA Rhone-Alpes 655, av. de l'Europe Montbonnot St Ismier cedex 38334 France EMail: vincent.roca@inrialpes.fr Rod Walsh Nokia Visiokatu 1 Tampere FIN-33720 Finland EMail: rod.walsh@nokia.com Appendix A. Receiver operation (informative) This chapter gives an example how the receiver of the file delivery session may operate. Instead of a detailed state-by-state specification the following should be interpreted as a rough sequence of an envisioned file delivery receiver. 1. The receiver obtains the description of the file delivery session identified by the pair: (source IP address, Transport Session Identifier). The receiver also obtains the destination IP addresses and respective ports associated with the file delivery session. 2. The receiver joins the channels in order to receive packets associated with the file delivery session. The receiver may schedule this join operation utilizing the timing information contained in a possible description of the file delivery session. 3. The receiver receives ALC/LCT packets associated with the file delivery session. The receiver checks that the packets match the declared Transport Session Identifier. If not, packets are Paila, et al. Expires May 14, 2004 [Page 28] =0C Internet-Draft FLUTE November 2003 silently discarded. 4. While receiving, the receiver demultiplexes packets based on their TOI and stores the relevant packet information in an appropriate area for recovery of the corresponding file. Multiple files can be reconstructed concurrently. 5. Receiver recovers an object. An object can be recovered when an appropriate set of packets containing encoding symbols for the transport object have been received. An appropriate set of packets is dependent on the properties of the FEC Encoding ID and FEC Instance ID, and on other information contained in the FEC Object Transmission Information. 6. If the recovered object was an FDT instance with FDT Instance ID 'N', the receiver parses the payload of the instance 'N' of FDT and updates its FDT database accordingly. The receiver identifies FDT instances within a file delivery session by the EXT_FDT header extension. Any object that is delivered using EXT_FDT header extension is an FDT instance, uniquely identified by the FDT Instance ID. Note that TOI '0' is exclusively reserved for FDT delivery. 7. If the object recovered is not an FDT Instance but a file, the receiver looks up its FDT database to get the properties described in the database, and assigns file with the given properties. The receiver also checks that received content length matches with the description in the database. Optionally, if MD5 checksum has been used, the receiver checks that calculated MD5 matches with the description in the FDT database. 8. The actions the receiver takes with imperfectly received files (missing data, mismatching digestive, etc.) is outside the scope of this specification. When a file is recovered before the associated file description entry is available, a possible behavior is to wait until an FDT Instance is received that includes the missing properties. 9. If the file delivery session end time has not been reached go back to 3. Otherwise end. Appendix B. Example of FDT Instance Payload (informative) Paila, et al. Expires May 14, 2004 [Page 30] =0C Internet-Draft FLUTE November 2003 Intellectual Property Statement The IETF takes no position regarding the validity or scope of any intellectual property or other rights that might be claimed to pertain to the implementation or use of the technology described in this document or the extent to which any license under such rights might or might not be available; neither does it represent that it has made any effort to identify any such rights. Information on the IETF's procedures with respect to rights in standards-track and standards-related documentation can be found in BCP-11. Copies of claims of rights made available for publication and any assurances of licenses to be made available, or the result of an attempt made to obtain a general license or permission for the use of such proprietary rights by implementors or users of this specification can be obtained from the IETF Secretariat. The IETF invites any interested party to bring to its attention any copyrights, patents or patent applications, or other proprietary rights which may cover technology that may be required to practice this standard. Please address the information to the IETF Executive Director. Full Copyright Statement Copyright (C) The Internet Society (2003). All Rights Reserved. This document and translations of it may be copied and furnished to others, and derivative works that comment on or otherwise explain it or assist in its implementation may be prepared, copied, published and distributed, in whole or in part, without restriction of any kind, provided that the above copyright notice and this paragraph are included on all such copies and derivative works. However, this document itself may not be modified in any way, such as by removing the copyright notice or references to the Internet Society or other Internet organizations, except as needed for the purpose of developing Internet standards in which case the procedures for copyrights defined in the Internet Standards process must be followed, or as required to translate it into languages other than English. The limited permissions granted above are perpetual and will not be revoked by the Internet Society or its successors or assignees. This document and the information contained herein is provided on an "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION Paila, et al. Expires May 14, 2004 [Page 31] =0C Internet-Draft FLUTE November 2003 HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Acknowledgment Funding for the RFC Editor function is currently provided by the Internet Society. Paila, et al. Expires May 14, 2004 [Page 32] =0C ------=_NextPart_000_0000_01C3AB4A.BD42D830-- _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Mon Nov 17 05:34:24 2003 Received: from optimus.ietf.org ([132.151.1.19]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA07542 for ; Mon, 17 Nov 2003 05:34:24 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ALghq-00014W-N7 for rmt-archive@odin.ietf.org; Mon, 17 Nov 2003 05:34:07 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hAHAY69a004119 for rmt-archive@odin.ietf.org; Mon, 17 Nov 2003 05:34:06 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ALghq-00014M-Hr for rmt-web-archive@optimus.ietf.org; Mon, 17 Nov 2003 05:34:06 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA07531 for ; Mon, 17 Nov 2003 05:33:53 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1ALghm-0004Vi-00 for rmt-web-archive@ietf.org; Mon, 17 Nov 2003 05:34:02 -0500 Received: from [132.151.1.19] (helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1ALghm-0004Ve-00 for rmt-web-archive@ietf.org; Mon, 17 Nov 2003 05:34:02 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ALghl-00013y-8g; Mon, 17 Nov 2003 05:34:01 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ALgh9-000137-6B for rmt@optimus.ietf.org; Mon, 17 Nov 2003 05:33:27 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA07525 for ; Mon, 17 Nov 2003 05:33:09 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1ALgh5-0004VQ-00 for rmt@ietf.org; Mon, 17 Nov 2003 05:33:19 -0500 Received: from aardvark.cs.ucl.ac.uk ([128.16.11.150]) by ietf-mx with esmtp (Exim 4.12) id 1ALgh4-0004VN-00 for rmt@ietf.org; Mon, 17 Nov 2003 05:33:18 -0500 Received: from aardvark.cs.ucl.ac.uk (localhost [127.0.0.1]) by aardvark.cs.ucl.ac.uk (8.12.9p2/8.12.8) with ESMTP id hAHAXBGg092443; Mon, 17 Nov 2003 10:33:11 GMT (envelope-from mjh@aardvark.cs.ucl.ac.uk) From: Mark Handley X-Organisation: UCL To: Rod.Walsh@nokia.com, luby@digitalfountain.com, lorenzo@cisco.com, roger.kermode@motorola.com, mankin@psg.com cc: rmt@ietf.org Subject: Re: [Rmt] FLUTE 06 Date: Mon, 17 Nov 2003 10:33:11 +0000 Message-ID: <92442.1069065191@aardvark.cs.ucl.ac.uk> Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , I skim-read the first 11 or so pages. Comments below - they're detail, not substantial. I'm not going to find time to read the rest for at least a few days. My personal recommendation given the other time constraints is to issue a WG last call on this TODAY. I don't think there's any benefit from waiting. BUT to also assign two reviewers who weren't involved in writing the document to give it a detailed review during last call. My guess from the reading the first third of the document is that it's OK technically, but needs clarification in places. I think this clarification is important, even for Experimental, if other standards organizations are going to be referencing this. Cheers, Mark > FLUTE - File Delivery over Unidirectional Transport > draft-ietf-rmt-flute-06.txt ... >3. File delivery ... > * Location of the file, expressed as either absolute or relative > URI. In the above example: "www.ex.com/docs/file.txt" Is this really a "location", or a globally unique identifier? What are the indended semantics of this location? > * File name (usually, this can be concluded from the URI). In the > above example: "file.txt" > > * File type, expressed as MIME media type (usually, this can also be > concluded from the extension of the file name). In the above > example: "text/plain" What happens when the extension and MIME type mismatch? > * File size, expressed in bytes. In the above example: "5200" This is before content encoding isn't it? ... >3.1 File delivery session ... > * The TOI field MUST be included in ALC packets sent within a FLUTE > session, with the exception that ALC packets sent in a FLUTE > session with the Close session (A) flag set to 1 (signaling the > end of the session) and containing no payload MAY not include the ^^^^^^^^^^^^^^^ suggest "MAY omit" to avoid confusion with MAY NOT include > TOI. See Section 5.1 of RFC 3451 [4] for the LCT definition of the > Close session flag, and see Section 4.2 of RFC 3450 [3] for an > example of its use within an ALC packet. >3.2 File Delivery Table > > The File Delivery Table (FDT) provides a means to describe various > attributes associated with files that are to be delivered within the > file delivery session. The following lists are examples of such > attributes, and are not intended to be mutually exclusive. Do you mean this is not meant to be an exhaustive list? ... > Within the file delivery session the FDT is delivered as FDT > Instances. An FDT Instance contains one or more file description > entries of the FDT. Any FDT Instance can be equal to, a subset of, a > superset of, or complement any other FDT Instance. A certain FDT > Instance may be repeated several times during a session, even after > subsequent FDT Instances (with higher FDT Instance ID numbers) have > been transmitted. In minimum the FDT Instance contains a single file ^^^^^^^^^^ Odd terminology. Suggest "At a miminum..." Also elsewhere in the document. > description entry. In maximum the FDT Instance contains the complete > FDT of the file delivery session. ... >3.3 Dynamics of FDT Instances within file delivery session ... > * An FDT Instance MAY appear in any part of the file delivery > session and even multiplexed with other files or other FDT > Instances. I don't understand what this means with regard to "multiplexed with other files". > * An FDT Instance is valid until its expiration time. The expiration > time is expressed within the FDT Instance payload as a 32 bit data > field. The value of the data field represents the 32 most > significant bits of a 64 bit Network Time Protocol (NTP) [6] time > value. Wrap-around of the 32 bit time is to be handled according > to NTP. >From RFC 1305: "NTP timestamps are represented as a 64-bit unsigned fixed- point number, in seconds relative to 0h on 1 January 1900. The integer part is in the first 32 bits and the fraction part in the last 32 bits." You could comment that "32 most significant bits" gives an unsigned integer representing the time in seconds relative to 0h on 1 January 1900. >From RFC 1305: "Note that since some time in 1968 the most significant bit (bit 0 of the integer part) has been set and that the 64-bit field will overflow some time in 2036. Should NTP be in use in 2036, some external means will be necessary to qualify time relative to 1900 and time relative to 2036 (and other multiples of 136 years)." So RFC 1305 doesn't seem to handle wraparound. > * The receiver behaviour upon expiration of the FDT Instance is out > of scope of this specification. Why include an expiry and not define the expiration behavour? > Generally, a receiver needs to receive an FDT Instance describing a > file before it is able to recover the file itself. In this sense FDT > Instances are of higher priority than files. Thus, it is RECOMMENDED > that FTD Instances describing a file be sent with at least as much ^^^ FDT ... >3.4 Structure of FDT Instance ... > FDT Instance ID, 20 bits: > > For each file delivery session the numbering of FDT Instances starts > from '0' and is incremented by exactly one for each subsequent FDT > Instance. After reaching the maximum value (2^20-1), the numbering > starts again from '0'. When wraparound from 2^20-1 to 0 occurs, 0 is > considered higher than 2^20-1. Receiver handling of wraparound and > other special situations (for example, missing FDT Instance IDs > resulting in longer increments than one) is left out of this > specification to individual implementations of FLUTE. What byte order is this in? _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Mon Nov 17 11:09:00 2003 Received: from optimus.ietf.org ([132.151.1.19]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id LAA18285 for ; Mon, 17 Nov 2003 11:09:00 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ALlvf-0006kW-Js for rmt-archive@odin.ietf.org; Mon, 17 Nov 2003 11:08:43 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hAHG8hQv025915 for rmt-archive@odin.ietf.org; Mon, 17 Nov 2003 11:08:43 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ALlve-0006jp-Qk for rmt-web-archive@optimus.ietf.org; Mon, 17 Nov 2003 11:08:42 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id LAA18213 for ; Mon, 17 Nov 2003 11:08:28 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1ALlvb-0000im-00 for rmt-web-archive@ietf.org; Mon, 17 Nov 2003 11:08:40 -0500 Received: from [132.151.1.19] (helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1ALlvb-0000iS-00 for rmt-web-archive@ietf.org; Mon, 17 Nov 2003 11:08:39 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ALlv2-0006U8-JO; Mon, 17 Nov 2003 11:08:04 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ALluN-0006I5-Sf for rmt@optimus.ietf.org; Mon, 17 Nov 2003 11:07:23 -0500 Received: from CNRI.Reston.VA.US (localhost [127.0.0.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id LAA18039; Mon, 17 Nov 2003 11:07:09 -0500 (EST) Message-Id: <200311171607.LAA18039@ietf.org> Mime-Version: 1.0 Content-Type: Multipart/Mixed; Boundary="NextPart" To: IETF-Announce: ; Cc: rmt@ietf.org From: Internet-Drafts@ietf.org Reply-to: Internet-Drafts@ietf.org Date: Mon, 17 Nov 2003 11:07:09 -0500 Subject: [Rmt] I-D ACTION:draft-ietf-rmt-flute-04.txt Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , --NextPart A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Reliable Multicast Transport Working Group of the IETF. Title : FLUTE - File Delivery over Unidirectional Transport Author(s) : T. Paila Filename : draft-ietf-rmt-flute-04.txt Pages : 27 Date : 2003-11-11 This document defines FLUTE, a protocol for the unidirectional delivery of files over the Internet, which is particularly suited to multicast networks. The specification builds on Asynchronous Layered Coding, the base protocol designed for massively scalable multicast distribution. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-rmt-flute-04.txt To remove yourself from the IETF Announcement list, send a message to ietf-announce-request with the word unsubscribe in the body of the message. Internet-Drafts are also available by anonymous FTP. Login with the username "anonymous" and a password of your e-mail address. After logging in, type "cd internet-drafts" and then "get draft-ietf-rmt-flute-04.txt". 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Below is the data which will enable a MIME compliant mail reader implementation to automatically retrieve the ASCII version of the Internet-Draft. --NextPart Content-Type: Multipart/Alternative; Boundary="OtherAccess" --OtherAccess Content-Type: Message/External-body; access-type="mail-server"; server="mailserv@ietf.org" Content-Type: text/plain Content-ID: <2003-11-17112255.I-D@ietf.org> ENCODING mime FILE /internet-drafts/draft-ietf-rmt-flute-04.txt --OtherAccess Content-Type: Message/External-body; name="draft-ietf-rmt-flute-04.txt"; site="ftp.ietf.org"; access-type="anon-ftp"; directory="internet-drafts" Content-Type: text/plain Content-ID: <2003-11-17112255.I-D@ietf.org> --OtherAccess-- --NextPart-- _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Mon Nov 17 13:44:22 2003 Received: from optimus.ietf.org ([132.151.1.19]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id NAA27622 for ; Mon, 17 Nov 2003 13:44:22 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ALoLz-0006S8-BC for rmt-archive@odin.ietf.org; Mon, 17 Nov 2003 13:44:04 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hAHIi3Ma024793 for rmt-archive@odin.ietf.org; Mon, 17 Nov 2003 13:44:03 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ALoLz-0006Rn-2x for rmt-web-archive@optimus.ietf.org; Mon, 17 Nov 2003 13:44:03 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id NAA27581 for ; Mon, 17 Nov 2003 13:43:50 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1ALoLw-00041x-00 for rmt-web-archive@ietf.org; Mon, 17 Nov 2003 13:44:00 -0500 Received: from [132.151.1.19] (helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1ALoLw-00041u-00 for rmt-web-archive@ietf.org; Mon, 17 Nov 2003 13:44:00 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ALoLx-0006Qj-CN; Mon, 17 Nov 2003 13:44:01 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ALoLO-0006M8-JP for rmt@optimus.ietf.org; Mon, 17 Nov 2003 13:43:29 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id NAA27540 for ; Mon, 17 Nov 2003 13:43:14 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1ALoLM-000415-00 for rmt@ietf.org; Mon, 17 Nov 2003 13:43:24 -0500 Received: from sj-iport-3-in.cisco.com ([171.71.176.72] helo=sj-iport-3.cisco.com) by ietf-mx with esmtp (Exim 4.12) id 1ALoLL-00040W-00 for rmt@ietf.org; Mon, 17 Nov 2003 13:43:23 -0500 Received: from cisco.com (171.71.177.238) by sj-iport-3.cisco.com with ESMTP; 17 Nov 2003 10:50:56 -0800 Received: from cisco.com (cypher.cisco.com [171.69.11.143]) by sj-core-5.cisco.com (8.12.9/8.12.6) with ESMTP id hAHIgptg025625; Mon, 17 Nov 2003 10:42:51 -0800 (PST) Received: (from lorenzo@localhost) by cisco.com (8.8.8/2.6/Cisco List Logging/8.8.8) id KAA10824; Mon, 17 Nov 2003 10:42:51 -0800 (PST) Date: Mon, 17 Nov 2003 10:42:51 -0800 From: Lorenzo Vicisano To: Mark Handley Cc: Rod.Walsh@nokia.com, luby@digitalfountain.com, roger.kermode@motorola.com, mankin@psg.com, rmt@ietf.org Subject: Re: [Rmt] FLUTE 06 Message-ID: <20031117104251.B230@cisco.com> References: <92442.1069065191@aardvark.cs.ucl.ac.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <92442.1069065191@aardvark.cs.ucl.ac.uk> User-Agent: Mutt/1.3.23i Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , Mark, > I skim-read the first 11 or so pages. Comments below - they're > detail, not substantial. I'm not going to find time to read the rest > for at least a few days. > > My personal recommendation given the other time constraints is to > issue a WG last call on this TODAY. I don't think there's any benefit I'll be issuing last-call in a few hours, unless someone in this list objects. > from waiting. BUT to also assign two reviewers who weren't involved > in writing the document to give it a detailed review during last call. The call for reviewers is open. Lorenzo > My guess from the reading the first third of the document is that it's > OK technically, but needs clarification in places. I think this > clarification is important, even for Experimental, if other standards > organizations are going to be referencing this. > > Cheers, > Mark > > > > > FLUTE - File Delivery over Unidirectional Transport > > draft-ietf-rmt-flute-06.txt > ... > >3. File delivery > ... > > * Location of the file, expressed as either absolute or relative > > URI. In the above example: "www.ex.com/docs/file.txt" > > Is this really a "location", or a globally unique identifier? What are > the indended semantics of this location? > > > * File name (usually, this can be concluded from the URI). In the > > above example: "file.txt" > > > > * File type, expressed as MIME media type (usually, this can also be > > concluded from the extension of the file name). In the above > > example: "text/plain" > > What happens when the extension and MIME type mismatch? > > > * File size, expressed in bytes. In the above example: "5200" > > This is before content encoding isn't it? > ... > > >3.1 File delivery session > ... > > * The TOI field MUST be included in ALC packets sent within a FLUTE > > session, with the exception that ALC packets sent in a FLUTE > > session with the Close session (A) flag set to 1 (signaling the > > end of the session) and containing no payload MAY not include the > ^^^^^^^^^^^^^^^ > suggest "MAY omit" to avoid confusion with MAY NOT include > > > TOI. See Section 5.1 of RFC 3451 [4] for the LCT definition of the > > Close session flag, and see Section 4.2 of RFC 3450 [3] for an > > example of its use within an ALC packet. > > >3.2 File Delivery Table > > > > The File Delivery Table (FDT) provides a means to describe various > > attributes associated with files that are to be delivered within the > > file delivery session. The following lists are examples of such > > attributes, and are not intended to be mutually exclusive. > > Do you mean this is not meant to be an exhaustive list? > > ... > > > Within the file delivery session the FDT is delivered as FDT > > Instances. An FDT Instance contains one or more file description > > entries of the FDT. Any FDT Instance can be equal to, a subset of, a > > superset of, or complement any other FDT Instance. A certain FDT > > Instance may be repeated several times during a session, even after > > subsequent FDT Instances (with higher FDT Instance ID numbers) have > > been transmitted. In minimum the FDT Instance contains a single file > ^^^^^^^^^^ > Odd terminology. Suggest "At a miminum..." Also elsewhere in the document. > > > description entry. In maximum the FDT Instance contains the complete > > FDT of the file delivery session. > ... > > >3.3 Dynamics of FDT Instances within file delivery session > ... > > * An FDT Instance MAY appear in any part of the file delivery > > session and even multiplexed with other files or other FDT > > Instances. > > I don't understand what this means with regard to "multiplexed with > other files". > > > * An FDT Instance is valid until its expiration time. The expiration > > time is expressed within the FDT Instance payload as a 32 bit data > > field. The value of the data field represents the 32 most > > significant bits of a 64 bit Network Time Protocol (NTP) [6] time > > value. Wrap-around of the 32 bit time is to be handled according > > to NTP. > > >From RFC 1305: > > "NTP timestamps are represented as a 64-bit unsigned fixed- point > number, in seconds relative to 0h on 1 January 1900. The integer part > is in the first 32 bits and the fraction part in the last 32 bits." > > You could comment that "32 most significant bits" gives an unsigned > integer representing the time in seconds relative to 0h on 1 January > 1900. > > >From RFC 1305: > > "Note that since some time in 1968 the most significant bit (bit 0 of the > integer part) has been set and that the 64-bit field will overflow some > time in 2036. Should NTP be in use in 2036, some external means will be > necessary to qualify time relative to 1900 and time relative to 2036 > (and other multiples of 136 years)." > > So RFC 1305 doesn't seem to handle wraparound. > > > * The receiver behaviour upon expiration of the FDT Instance is out > > of scope of this specification. > > Why include an expiry and not define the expiration behavour? > > > Generally, a receiver needs to receive an FDT Instance describing a > > file before it is able to recover the file itself. In this sense FDT > > Instances are of higher priority than files. Thus, it is RECOMMENDED > > that FTD Instances describing a file be sent with at least as much > ^^^ > FDT > ... > > >3.4 Structure of FDT Instance > ... > > FDT Instance ID, 20 bits: > > > > For each file delivery session the numbering of FDT Instances starts > > from '0' and is incremented by exactly one for each subsequent FDT > > Instance. After reaching the maximum value (2^20-1), the numbering > > starts again from '0'. When wraparound from 2^20-1 to 0 occurs, 0 is > > considered higher than 2^20-1. Receiver handling of wraparound and > > other special situations (for example, missing FDT Instance IDs > > resulting in longer increments than one) is left out of this > > specification to individual implementations of FLUTE. > > What byte order is this in? _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Mon Nov 17 20:38:23 2003 Received: from optimus.ietf.org ([132.151.1.19]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id UAA17608 for ; Mon, 17 Nov 2003 20:38:23 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ALuoe-00061c-B1 for rmt-archive@odin.ietf.org; Mon, 17 Nov 2003 20:38:04 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hAI1c3Bu023143 for rmt-archive@odin.ietf.org; Mon, 17 Nov 2003 20:38:03 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ALuod-000617-DS for rmt-web-archive@optimus.ietf.org; Mon, 17 Nov 2003 20:38:03 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id UAA17585 for ; Mon, 17 Nov 2003 20:37:50 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1ALuoa-0003Ab-00 for rmt-web-archive@ietf.org; Mon, 17 Nov 2003 20:38:00 -0500 Received: from [132.151.1.19] (helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1ALuoa-0003AY-00 for rmt-web-archive@ietf.org; Mon, 17 Nov 2003 20:38:00 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ALuob-00060X-3n; Mon, 17 Nov 2003 20:38:01 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ALunz-0005pG-4B for rmt@optimus.ietf.org; Mon, 17 Nov 2003 20:37:23 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id UAA17563 for ; Mon, 17 Nov 2003 20:37:10 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1ALunw-0003A0-00 for rmt@ietf.org; Mon, 17 Nov 2003 20:37:20 -0500 Received: from sj-iport-1-in.cisco.com ([171.71.176.70] helo=sj-iport-1.cisco.com) by ietf-mx with esmtp (Exim 4.12) id 1ALunw-00039j-00 for rmt@ietf.org; Mon, 17 Nov 2003 20:37:20 -0500 Received: from cisco.com (cypher.cisco.com [171.69.11.143]) by sj-core-5.cisco.com (8.12.9/8.12.6) with ESMTP id hAI1antg020231 for ; Mon, 17 Nov 2003 17:36:49 -0800 (PST) Received: (from lorenzo@localhost) by cisco.com (8.8.8/2.6/Cisco List Logging/8.8.8) id RAA06338 for rmt@ietf.org; Mon, 17 Nov 2003 17:36:49 -0800 (PST) Date: Mon, 17 Nov 2003 17:36:49 -0800 From: Lorenzo Vicisano To: rmt@ietf.org Message-ID: <20031117173649.B5416@cisco.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.3.23i Subject: [Rmt] WG last-call for draft-ietf-rmt-flute-06.txt Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , starting today. As for the other RMT submissions, this is intended for the Experimental Track. Please use draft-ietf-rmt-flute-06.txt that Mike Luby sent to this list and will soon appear on the IETF directory. Please provide your feedback by Dec. 2nd. thank you, the chairs _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Mon Nov 17 22:22:19 2003 Received: from optimus.ietf.org ([132.151.1.19]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id WAA20636 for ; Mon, 17 Nov 2003 22:22:19 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ALwRG-0002Ss-1v for rmt-archive@odin.ietf.org; Mon, 17 Nov 2003 22:22:02 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hAI3M2cx009473 for rmt-archive@odin.ietf.org; Mon, 17 Nov 2003 22:22:02 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ALwRF-0002Si-TH for rmt-web-archive@optimus.ietf.org; Mon, 17 Nov 2003 22:22:01 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id WAA20616 for ; Mon, 17 Nov 2003 22:21:48 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1ALwRC-0004WF-00 for rmt-web-archive@ietf.org; Mon, 17 Nov 2003 22:21:58 -0500 Received: from [132.151.1.19] (helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1ALwRC-0004WC-00 for rmt-web-archive@ietf.org; Mon, 17 Nov 2003 22:21:58 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ALwRE-0002SJ-7c; Mon, 17 Nov 2003 22:22:00 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ALwR8-0002S7-MB for rmt@optimus.ietf.org; Mon, 17 Nov 2003 22:21:54 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id WAA20613 for ; Mon, 17 Nov 2003 22:21:41 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1ALwR5-0004W9-00 for rmt@ietf.org; Mon, 17 Nov 2003 22:21:51 -0500 Received: from psg.com ([147.28.0.62] ident=mailnull) by ietf-mx with esmtp (Exim 4.12) id 1ALwR5-0004W6-00 for rmt@ietf.org; Mon, 17 Nov 2003 22:21:51 -0500 Received: from localhost ([127.0.0.1] helo=psg.com) by psg.com with esmtp (Exim 4.24; FreeBSD 4.9) id 1ALwR2-000GD7-LD; Tue, 18 Nov 2003 03:21:48 +0000 To: Lorenzo Vicisano cc: Mark Handley , Rod.Walsh@nokia.com, luby@digitalfountain.com, roger.kermode@motorola.com, rmt@ietf.org Subject: Re: [Rmt] FLUTE 06 In-Reply-To: Message from Lorenzo Vicisano of "Mon, 17 Nov 2003 10:42:51 PST." <20031117104251.B230@cisco.com> Date: Mon, 17 Nov 2003 19:21:46 -0800 From: Allison Mankin Message-Id: Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , All, I support the Chairs' decision for the WGLC of FLUTE 06 that has been issued today. I agreed with their assessment of the circumstances and of the discussions in Minneapolis. Another review or two such as Mark's will mean that the steps after WGLC can be prompt as well. Allison (as AD for RMT) _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Tue Nov 18 15:11:22 2003 Received: from optimus.ietf.org ([132.151.1.19]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA11724 for ; Tue, 18 Nov 2003 15:11:22 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AMCBl-0004Ol-GQ for rmt-archive@odin.ietf.org; Tue, 18 Nov 2003 15:11:05 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hAIKB54m016901 for rmt-archive@odin.ietf.org; Tue, 18 Nov 2003 15:11:05 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AMCBl-0004OW-C3 for rmt-web-archive@optimus.ietf.org; Tue, 18 Nov 2003 15:11:05 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA11670 for ; Tue, 18 Nov 2003 15:10:52 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AMCBi-0004cS-00 for rmt-web-archive@ietf.org; Tue, 18 Nov 2003 15:11:02 -0500 Received: from [132.151.1.19] (helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1AMCBh-0004cM-00 for rmt-web-archive@ietf.org; Tue, 18 Nov 2003 15:11:01 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AMCBj-0004O0-Hc; Tue, 18 Nov 2003 15:11:03 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AMCAv-0004Md-5f for rmt@optimus.ietf.org; Tue, 18 Nov 2003 15:10:13 -0500 Received: from CNRI.Reston.VA.US (localhost [127.0.0.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA11515; Tue, 18 Nov 2003 15:09:59 -0500 (EST) Message-Id: <200311182009.PAA11515@ietf.org> Mime-Version: 1.0 Content-Type: Multipart/Mixed; Boundary="NextPart" To: IETF-Announce: ; Cc: rmt@ietf.org From: Internet-Drafts@ietf.org Reply-to: Internet-Drafts@ietf.org Date: Tue, 18 Nov 2003 15:09:59 -0500 Subject: [Rmt] I-D ACTION:draft-ietf-rmt-flute-05.txt Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , --NextPart A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Reliable Multicast Transport Working Group of the IETF. Title : FLUTE - File Delivery over Unidirectional Transport Author(s) : T. Paila Filename : draft-ietf-rmt-flute-05.txt Pages : 32 Date : 2003-11-18 This document defines FLUTE, a protocol for the unidirectional delivery of files over the Internet, which is particularly suited to multicast networks. The specification builds on Asynchronous Layered Coding, the base protocol designed for massively scalable multicast distribution. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-rmt-flute-05.txt To remove yourself from the IETF Announcement list, send a message to ietf-announce-request with the word unsubscribe in the body of the message. Internet-Drafts are also available by anonymous FTP. Login with the username "anonymous" and a password of your e-mail address. After logging in, type "cd internet-drafts" and then "get draft-ietf-rmt-flute-05.txt". A list of Internet-Drafts directories can be found in http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt Internet-Drafts can also be obtained by e-mail. Send a message to: mailserv@ietf.org. In the body type: "FILE /internet-drafts/draft-ietf-rmt-flute-05.txt". NOTE: The mail server at ietf.org can return the document in MIME-encoded form by using the "mpack" utility. To use this feature, insert the command "ENCODING mime" before the "FILE" command. To decode the response(s), you will need "munpack" or a MIME-compliant mail reader. Different MIME-compliant mail readers exhibit different behavior, especially when dealing with "multipart" MIME messages (i.e. documents which have been split up into multiple messages), so check your local documentation on how to manipulate these messages. Below is the data which will enable a MIME compliant mail reader implementation to automatically retrieve the ASCII version of the Internet-Draft. --NextPart Content-Type: Multipart/Alternative; Boundary="OtherAccess" --OtherAccess Content-Type: Message/External-body; access-type="mail-server"; server="mailserv@ietf.org" Content-Type: text/plain Content-ID: <2003-11-18124335.I-D@ietf.org> ENCODING mime FILE /internet-drafts/draft-ietf-rmt-flute-05.txt --OtherAccess Content-Type: Message/External-body; name="draft-ietf-rmt-flute-05.txt"; site="ftp.ietf.org"; access-type="anon-ftp"; directory="internet-drafts" Content-Type: text/plain Content-ID: <2003-11-18124335.I-D@ietf.org> --OtherAccess-- --NextPart-- _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Thu Nov 20 15:03:19 2003 Received: from optimus.ietf.org ([132.151.1.19]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA21565 for ; Thu, 20 Nov 2003 15:03:18 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AMv14-0005yP-Ek for rmt-archive@odin.ietf.org; Thu, 20 Nov 2003 15:03:02 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hAKK32eG022955 for rmt-archive@odin.ietf.org; Thu, 20 Nov 2003 15:03:02 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AMv14-0005yA-8y for rmt-web-archive@optimus.ietf.org; Thu, 20 Nov 2003 15:03:02 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA21561 for ; Thu, 20 Nov 2003 15:02:47 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AMv11-0001SB-00 for rmt-web-archive@ietf.org; Thu, 20 Nov 2003 15:02:59 -0500 Received: from [132.151.1.19] (helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1AMv10-0001S6-00 for rmt-web-archive@ietf.org; Thu, 20 Nov 2003 15:02:58 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AMv12-0005xK-E7; Thu, 20 Nov 2003 15:03:00 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AMv0F-0005wX-Us for rmt@optimus.ietf.org; Thu, 20 Nov 2003 15:02:11 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id PAA21540 for ; Thu, 20 Nov 2003 15:01:57 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AMv0C-0001Rd-00 for rmt@ietf.org; Thu, 20 Nov 2003 15:02:08 -0500 Received: from s2.itd.nrl.navy.mil ([132.250.83.3]) by ietf-mx with esmtp (Exim 4.12) id 1AMv0C-0001R0-00 for rmt@ietf.org; Thu, 20 Nov 2003 15:02:08 -0500 Received: from smtp.itd.nrl.navy.mil (smtp.itd.nrl.navy.mil [132.250.86.3]) by s2.itd.nrl.navy.mil (8.12.10+Sun/8.12.8) with SMTP id hAKK1ZMq020659; Thu, 20 Nov 2003 15:01:35 -0500 (EST) Received: from [132.250.92.151] ([132.250.92.151]) by smtp.itd.nrl.navy.mil (SAVSMTP 3.1.2.35) with SMTP id M2003112015013511352 ; Thu, 20 Nov 2003 15:01:35 -0500 Mime-Version: 1.0 X-Sender: adamson@pop.itd.nrl.navy.mil Message-Id: In-Reply-To: <26574F0076BFF449ADAE582D9E67780C01E28960@esebe006.ntc.nokia.com> References: <26574F0076BFF449ADAE582D9E67780C01E28960@esebe006.ntc.nokia.com> Date: Thu, 20 Nov 2003 15:01:20 -0500 To: From: Brian Adamson Content-Type: text/plain; charset="us-ascii" ; format="flowed" Subject: [Rmt] Submission of new NORM drafts Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , I've submitted updates to the NORM drafts with changes per the discussion and comments at last weeks' RMT meeting. The drafts should show up shortly on the IETF site. In the meanwhile, PDF versions are available at: http://norm.pf.itd.nrl.navy.mil cheers, -- Brian __________________________________ Brian Adamson _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Fri Nov 21 05:06:22 2003 Received: from optimus.ietf.org ([132.151.1.19]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA07857 for ; Fri, 21 Nov 2003 05:06:22 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AN8Av-0003Tj-HK for rmt-archive@odin.ietf.org; Fri, 21 Nov 2003 05:06:05 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hALA65BL013364 for rmt-archive@odin.ietf.org; Fri, 21 Nov 2003 05:06:05 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AN8Av-0003TT-BK for rmt-web-archive@optimus.ietf.org; Fri, 21 Nov 2003 05:06:05 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA07843 for ; Fri, 21 Nov 2003 05:05:51 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AN8Ar-0007QO-00 for rmt-web-archive@ietf.org; Fri, 21 Nov 2003 05:06:01 -0500 Received: from [132.151.1.19] (helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1AN8Ar-0007QL-00 for rmt-web-archive@ietf.org; Fri, 21 Nov 2003 05:06:01 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AN8At-0003Sr-OP; Fri, 21 Nov 2003 05:06:03 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AN89s-0003RX-OZ for rmt@optimus.ietf.org; Fri, 21 Nov 2003 05:05:00 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id FAA07805 for ; Fri, 21 Nov 2003 05:04:47 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AN89p-0007Pd-00 for Rmt@ietf.org; Fri, 21 Nov 2003 05:04:57 -0500 Received: from lorre.umail.ucsb.edu ([128.111.151.218]) by ietf-mx with esmtp (Exim 4.12) id 1AN89p-0007PZ-00 for Rmt@ietf.org; Fri, 21 Nov 2003 05:04:57 -0500 Received: from veidt.umail.ucsb.edu ([128.111.151.217] helo=localhost) by lorre.umail.ucsb.edu with esmtp (Exim 4.24) id 1AN89p-000DR0-13; Fri, 21 Nov 2003 02:04:57 -0800 Received: from FSH20180.resnet.ucsb.edu (FSH20180.resnet.ucsb.edu [128.111.201.80]) by webaccess.umail.ucsb.edu (IMP) with HTTP for ; Fri, 21 Nov 2003 02:04:56 -0800 Message-ID: <1069409096.3fbde348d2310@webaccess.umail.ucsb.edu> Date: Fri, 21 Nov 2003 02:04:56 -0800 From: Xiaoli Chen To: Brian Adamson Cc: Rmt@ietf.org Subject: Re: [Rmt] Submission of new NORM drafts References: <26574F0076BFF449ADAE582D9E67780C01E28960@esebe006.ntc.nokia.com> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit User-Agent: Internet Messaging Program (IMP) 3.2.3-cvs X-Virus-Scanner: umail.ucsb.edu found no viruses in this message Content-Transfer-Encoding: 8bit Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 8bit Content-Transfer-Encoding: 8bit Hi, Brian: Could you tell me the changes in the new NORM draft? Thanks, Xiaoli Quoting Brian Adamson : > I've submitted updates to the NORM drafts with changes per the > discussion and comments at last weeks' RMT meeting. The drafts > should show up shortly on the IETF site. In the meanwhile, PDF > versions are available at: > > http://norm.pf.itd.nrl.navy.mil > > cheers, > > -- > Brian > __________________________________ > Brian Adamson > > > > _______________________________________________ > Rmt mailing list > Rmt@ietf.org > https://www1.ietf.org/mailman/listinfo/rmt > -- Xiaoli Chen x_chen@umail.ucsb.edu _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Fri Nov 21 16:05:23 2003 Received: from optimus.ietf.org ([132.151.1.19]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id QAA02664 for ; Fri, 21 Nov 2003 16:05:23 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ANISf-0003MM-Jp for rmt-archive@odin.ietf.org; Fri, 21 Nov 2003 16:05:05 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hALL55GV012864 for rmt-archive@odin.ietf.org; Fri, 21 Nov 2003 16:05:05 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ANISe-0003LL-Re for rmt-web-archive@optimus.ietf.org; Fri, 21 Nov 2003 16:05:04 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id QAA02572 for ; Fri, 21 Nov 2003 16:04:51 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1ANISd-0000kq-00 for rmt-web-archive@ietf.org; Fri, 21 Nov 2003 16:05:03 -0500 Received: from [132.151.1.19] (helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1ANISc-0000kl-00 for rmt-web-archive@ietf.org; Fri, 21 Nov 2003 16:05:02 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ANISc-0003K7-SX; Fri, 21 Nov 2003 16:05:02 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ANISD-0003Is-8s for rmt@optimus.ietf.org; Fri, 21 Nov 2003 16:04:37 -0500 Received: from CNRI.Reston.VA.US (localhost [127.0.0.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id QAA02506; Fri, 21 Nov 2003 16:04:23 -0500 (EST) Message-Id: <200311212104.QAA02506@ietf.org> Mime-Version: 1.0 Content-Type: Multipart/Mixed; Boundary="NextPart" To: IETF-Announce: ; Cc: rmt@ietf.org From: Internet-Drafts@ietf.org Reply-to: Internet-Drafts@ietf.org Date: Fri, 21 Nov 2003 16:04:23 -0500 Subject: [Rmt] I-D ACTION:draft-ietf-rmt-bb-norm-08.txt,.ps,.pdf Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , --NextPart A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Reliable Multicast Transport Working Group of the IETF. Title : NACK-Oriented Reliable Multicast (NORM) Building Blocks Author(s) : B. Adamson, C. Bormann, M. Handley, J. Macker Filename : draft-ietf-rmt-bb-norm-08.txt,.ps,.pdf Pages : 33 Date : 2003-11-21 This document discusses the creation the of negative-acknowledgment This document discusses the creation the of negative-acknowledgment (NACK)-oriented reliable multicast (NORM) protocols. The rationale for NORM goals and assumptions are presented. Technical challenges for NACK-oriented (and in some cases general) reliable multicast protocol operation are identified. These goals and challenges are resolved into a set of functional 'building blocks' that address different aspects of NORM protocol operation. It is anticipated that these building blocks will be useful in generating different instantiations of reliable multicast protocols. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-rmt-bb-norm-08.txt To remove yourself from the IETF Announcement list, send a message to ietf-announce-request with the word unsubscribe in the body of the message. Internet-Drafts are also available by anonymous FTP. Login with the username "anonymous" and a password of your e-mail address. After logging in, type "cd internet-drafts" and then "get draft-ietf-rmt-bb-norm-08.txt". A list of Internet-Drafts directories can be found in http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt Internet-Drafts can also be obtained by e-mail. Send a message to: mailserv@ietf.org. In the body type: "FILE /internet-drafts/draft-ietf-rmt-bb-norm-08.txt". NOTE: The mail server at ietf.org can return the document in MIME-encoded form by using the "mpack" utility. To use this feature, insert the command "ENCODING mime" before the "FILE" command. To decode the response(s), you will need "munpack" or a MIME-compliant mail reader. Different MIME-compliant mail readers exhibit different behavior, especially when dealing with "multipart" MIME messages (i.e. documents which have been split up into multiple messages), so check your local documentation on how to manipulate these messages. Below is the data which will enable a MIME compliant mail reader implementation to automatically retrieve the ASCII version of the Internet-Draft. --NextPart Content-Type: Multipart/Alternative; Boundary="OtherAccess" --OtherAccess Content-Type: Message/External-body; access-type="mail-server"; server="mailserv@ietf.org" Content-Type: text/plain Content-ID: <2003-11-21162244.I-D@ietf.org> ENCODING mime FILE /internet-drafts/draft-ietf-rmt-bb-norm-08.txt --OtherAccess Content-Type: Message/External-body; name="draft-ietf-rmt-bb-norm-08.txt"; site="ftp.ietf.org"; access-type="anon-ftp"; directory="internet-drafts" Content-Type: text/plain Content-ID: <2003-11-21162244.I-D@ietf.org> --OtherAccess-- --NextPart-- _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Fri Nov 21 16:33:20 2003 Received: from optimus.ietf.org ([132.151.1.19]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id QAA03780 for ; Fri, 21 Nov 2003 16:33:20 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ANIti-0005qi-L3 for rmt-archive@odin.ietf.org; Fri, 21 Nov 2003 16:33:03 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hALLX2bG022478 for rmt-archive@odin.ietf.org; Fri, 21 Nov 2003 16:33:02 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ANIti-0005qT-Eh for rmt-web-archive@optimus.ietf.org; Fri, 21 Nov 2003 16:33:02 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id QAA03725 for ; Fri, 21 Nov 2003 16:32:49 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1ANItg-0001DV-00 for rmt-web-archive@ietf.org; Fri, 21 Nov 2003 16:33:00 -0500 Received: from [132.151.1.19] (helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1ANItg-0001DS-00 for rmt-web-archive@ietf.org; Fri, 21 Nov 2003 16:33:00 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ANItg-0005pg-V3; Fri, 21 Nov 2003 16:33:00 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ANIta-0005pP-GK for rmt@optimus.ietf.org; Fri, 21 Nov 2003 16:32:54 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id QAA03722 for ; Fri, 21 Nov 2003 16:32:41 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1ANItY-0001DP-00 for Rmt@ietf.org; Fri, 21 Nov 2003 16:32:52 -0500 Received: from s2.itd.nrl.navy.mil ([132.250.83.3]) by ietf-mx with esmtp (Exim 4.12) id 1ANItY-0001Cw-00 for Rmt@ietf.org; Fri, 21 Nov 2003 16:32:52 -0500 Received: from smtp.itd.nrl.navy.mil (smtp.itd.nrl.navy.mil [132.250.86.3]) by s2.itd.nrl.navy.mil (8.12.10+Sun/8.12.8) with SMTP id hALLWHMq014440; Fri, 21 Nov 2003 16:32:17 -0500 (EST) Received: from [132.250.92.151] ([132.250.92.151]) by smtp.itd.nrl.navy.mil (SAVSMTP 3.1.2.35) with SMTP id M2003112116321623698 ; Fri, 21 Nov 2003 16:32:16 -0500 Mime-Version: 1.0 X-Sender: adamson@pop.itd.nrl.navy.mil Message-Id: In-Reply-To: <1069409096.3fbde348d2310@webaccess.umail.ucsb.edu> References: <26574F0076BFF449ADAE582D9E67780C01E28960@esebe006.ntc.nokia.com> <1069409096.3fbde348d2310@webaccess.umail.ucsb.edu> Date: Fri, 21 Nov 2003 16:32:05 -0500 To: Xiaoli Chen From: Brian Adamson Subject: Re: [Rmt] Submission of new NORM drafts Cc: Rmt@ietf.org Content-Type: text/plain; charset="us-ascii" ; format="flowed" Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , At 2:04 AM -0800 11/21/03, Xiaoli Chen wrote: >Hi, Brian: > >Could you tell me the changes in the new NORM draft? The most significant change is the addition of Section 5.1.1 which provides the same FEC blocking/segmentation algorithm as used in the FLUTE drafts. This was done for consistency among working group docs as well as potential performance improvements when using some FEC types. The other changes included removal of any references to GRA and an additional to pointer to ongoing work in the IETF "msec" Workin Group in the area of potential multicast security solutions for NORM implementations. > >Thanks, >Xiaoli > >Quoting Brian Adamson : > >> I've submitted updates to the NORM drafts with changes per the >> discussion and comments at last weeks' RMT meeting. The drafts >> should show up shortly on the IETF site. In the meanwhile, PDF >> versions are available at: >> >> http://norm.pf.itd.nrl.navy.mil >> >> cheers, >> >> -- >> Brian >> __________________________________ >> Brian Adamson >> >> >> >> _______________________________________________ >> Rmt mailing list >> Rmt@ietf.org >> https://www1.ietf.org/mailman/listinfo/rmt >> > > >-- >Xiaoli Chen >x_chen@umail.ucsb.edu > >_______________________________________________ >Rmt mailing list >Rmt@ietf.org >https://www1.ietf.org/mailman/listinfo/rmt -- Brian __________________________________ Brian Adamson _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Fri Nov 21 17:00:24 2003 Received: from optimus.ietf.org ([132.151.1.19]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id RAA05568 for ; Fri, 21 Nov 2003 17:00:24 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ANJJt-0007xD-Ax for rmt-archive@odin.ietf.org; Fri, 21 Nov 2003 17:00:05 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hALM05EJ030559 for rmt-archive@odin.ietf.org; Fri, 21 Nov 2003 17:00:05 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ANJJs-0007wh-BZ for rmt-web-archive@optimus.ietf.org; Fri, 21 Nov 2003 17:00:04 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id QAA05438 for ; Fri, 21 Nov 2003 16:59:50 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1ANJJp-0001pn-00 for rmt-web-archive@ietf.org; Fri, 21 Nov 2003 17:00:01 -0500 Received: from [132.151.1.19] (helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1ANJJp-0001pg-00 for rmt-web-archive@ietf.org; Fri, 21 Nov 2003 17:00:01 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ANJJq-0007vN-9N; Fri, 21 Nov 2003 17:00:02 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1ANJIs-0007u2-CP for rmt@optimus.ietf.org; Fri, 21 Nov 2003 16:59:02 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id QAA05410 for ; Fri, 21 Nov 2003 16:58:48 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1ANJIq-0001ow-00 for rmt@ietf.org; Fri, 21 Nov 2003 16:59:00 -0500 Received: from sj-iport-4.cisco.com ([171.68.10.86]) by ietf-mx with esmtp (Exim 4.12) id 1ANJIp-0001oh-00 for rmt@ietf.org; Fri, 21 Nov 2003 16:58:59 -0500 Received: from cisco.com (cypher.cisco.com [171.69.11.143]) by sj-core-3.cisco.com (8.12.6/8.12.6) with ESMTP id hALLwSrX004848 for ; Fri, 21 Nov 2003 13:58:28 -0800 (PST) Received: (from lorenzo@localhost) by cisco.com (8.8.8/2.6/Cisco List Logging/8.8.8) id NAA13342 for rmt@ietf.org; Fri, 21 Nov 2003 13:58:27 -0800 (PST) Date: Fri, 21 Nov 2003 13:58:27 -0800 From: Lorenzo Vicisano To: rmt@ietf.org Message-ID: <20031121135827.D26502@cisco.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.3.23i Subject: [Rmt] WG last-call for NORM drafts Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , Please be advised that RMT Working Group last-call has started today for: draft-ietf-rmt-pi-norm-09 draft-ietf-rmt-bb-norm-08 Please send us your comments by Monday December 8th. thank you, the chairs. _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Wed Nov 26 10:32:20 2003 Received: from optimus.ietf.org ([132.151.1.19]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id KAA12290 for ; Wed, 26 Nov 2003 10:32:20 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AP1e9-0002Zc-G9 for rmt-archive@odin.ietf.org; Wed, 26 Nov 2003 10:32:05 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hAQFW5OD009893 for rmt-archive@odin.ietf.org; Wed, 26 Nov 2003 10:32:05 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AP1e9-0002ZU-1u for rmt-web-archive@optimus.ietf.org; Wed, 26 Nov 2003 10:32:05 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id KAA12240 for ; Wed, 26 Nov 2003 10:31:49 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AP1e6-0007JM-00 for rmt-web-archive@ietf.org; Wed, 26 Nov 2003 10:32:02 -0500 Received: from [132.151.1.19] (helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1AP1e6-0007JI-00 for rmt-web-archive@ietf.org; Wed, 26 Nov 2003 10:32:02 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AP1e6-0002YN-R3; Wed, 26 Nov 2003 10:32:02 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AP1do-0002XD-Qx for rmt@optimus.ietf.org; Wed, 26 Nov 2003 10:31:44 -0500 Received: from CNRI.Reston.VA.US (localhost [127.0.0.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id KAA12192; Wed, 26 Nov 2003 10:31:29 -0500 (EST) Message-Id: <200311261531.KAA12192@ietf.org> Mime-Version: 1.0 Content-Type: Multipart/Mixed; Boundary="NextPart" To: IETF-Announce: ; Cc: rmt@ietf.org From: Internet-Drafts@ietf.org Reply-to: Internet-Drafts@ietf.org Date: Wed, 26 Nov 2003 10:31:28 -0500 Subject: [Rmt] I-D ACTION:draft-ietf-rmt-flute-06.txt Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , --NextPart A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Reliable Multicast Transport Working Group of the IETF. Title : FLUTE - File Delivery over Unidirectional Transport Author(s) : T. Paila Filename : draft-ietf-rmt-flute-06.txt Pages : 32 Date : 2003-11-26 This document defines FLUTE, a protocol for the unidirectional delivery of files over the Internet, which is particularly suited to multicast networks. The specification builds on Asynchronous Layered Coding, the base protocol designed for massively scalable multicast distribution. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-rmt-flute-06.txt To remove yourself from the IETF Announcement list, send a message to ietf-announce-request with the word unsubscribe in the body of the message. Internet-Drafts are also available by anonymous FTP. Login with the username "anonymous" and a password of your e-mail address. After logging in, type "cd internet-drafts" and then "get draft-ietf-rmt-flute-06.txt". 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Below is the data which will enable a MIME compliant mail reader implementation to automatically retrieve the ASCII version of the Internet-Draft. --NextPart Content-Type: Multipart/Alternative; Boundary="OtherAccess" --OtherAccess Content-Type: Message/External-body; access-type="mail-server"; server="mailserv@ietf.org" Content-Type: text/plain Content-ID: <2003-11-26103652.I-D@ietf.org> ENCODING mime FILE /internet-drafts/draft-ietf-rmt-flute-06.txt --OtherAccess Content-Type: Message/External-body; name="draft-ietf-rmt-flute-06.txt"; site="ftp.ietf.org"; access-type="anon-ftp"; directory="internet-drafts" Content-Type: text/plain Content-ID: <2003-11-26103652.I-D@ietf.org> --OtherAccess-- --NextPart-- _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt From exim@www1.ietf.org Wed Nov 26 17:47:16 2003 Received: from optimus.ietf.org ([132.151.1.19]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id RAA01360 for ; Wed, 26 Nov 2003 17:47:16 -0500 (EST) Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AP8R3-0008GN-Sc for rmt-archive@odin.ietf.org; Wed, 26 Nov 2003 17:47:01 -0500 Received: (from exim@localhost) by www1.ietf.org (8.12.8/8.12.8/Submit) id hAQMl1wS031762 for rmt-archive@odin.ietf.org; Wed, 26 Nov 2003 17:47:01 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AP8R3-0008GD-PL for rmt-web-archive@optimus.ietf.org; Wed, 26 Nov 2003 17:47:01 -0500 Received: from ietf-mx (ietf-mx.ietf.org [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id RAA01334 for ; Wed, 26 Nov 2003 17:46:46 -0500 (EST) Received: from ietf-mx ([132.151.6.1]) by ietf-mx with esmtp (Exim 4.12) id 1AP8R1-00064j-00 for rmt-web-archive@ietf.org; Wed, 26 Nov 2003 17:46:59 -0500 Received: from [132.151.1.19] (helo=optimus.ietf.org) by ietf-mx with esmtp (Exim 4.12) id 1AP8R0-00064g-00 for rmt-web-archive@ietf.org; Wed, 26 Nov 2003 17:46:58 -0500 Received: from localhost.localdomain ([127.0.0.1] helo=www1.ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AP8R2-0008Fm-F5; Wed, 26 Nov 2003 17:47:00 -0500 Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by optimus.ietf.org with esmtp (Exim 4.20) id 1AP8QD-00084Q-5N for rmt@optimus.ietf.org; Wed, 26 Nov 2003 17:46:09 -0500 Received: from asgard.ietf.org (asgard.ietf.org [10.27.6.40]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id RAA01314 for ; Wed, 26 Nov 2003 17:45:53 -0500 (EST) Received: from apache by asgard.ietf.org with local (Exim 4.14) id 1AP8Nn-0002iP-0s; Wed, 26 Nov 2003 17:43:39 -0500 X-test-idtracker: no To: IETF-Announce :; Cc: rmt@ietf.org From: The IESG Reply-to: iesg@ietf.org Message-Id: Date: Wed, 26 Nov 2003 17:43:39 -0500 Subject: [Rmt] Last Call: 'Wave and Equation Based Rate Control building block' to Experimental RFC Sender: rmt-admin@ietf.org Errors-To: rmt-admin@ietf.org X-BeenThere: rmt@ietf.org X-Mailman-Version: 2.0.12 Precedence: bulk List-Unsubscribe: , List-Id: Reliable Multicast Transport List-Post: List-Help: List-Subscribe: , The IESG has received a request from the Reliable Multicast Transport WG to consider the following document: - 'Wave and Equation Based Rate Control building block ' as an Experimental RFC The IESG plans to make a decision in the next few weeks, and solicits final comments on this action. Please send any comments to the iesg@ietf.org or ietf@ietf.org mailing lists by 2003-12-10. The file can be obtained via http://www.ietf.org/internet-drafts/draft-ietf-rmt-bb-webrc-04.txt _______________________________________________ Rmt mailing list Rmt@ietf.org https://www1.ietf.org/mailman/listinfo/rmt