1. Slide title 70 pt CAPITALS Slide subtitle minimum 30 pt Using Simulcast in RTP Sessions draft-westerlund-avtcore-rtp-simulcast-03 Bo Burman, Magnus Westerlund, Suhas Nandakumar

2. Slide title 44 pt Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt Characters for Embedded font: !"#$%&'()*+,-./0123456789:; ?@ABCDEFGHIJKLMNOPQRSTUV WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡¢£¤¥¦§¨©ª« ¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛ ÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂăąĆćĊċ ČĎďĐđĒĖėĘęĚěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒ œŔŕŖŗŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒˆˇ˘˙˚˛ ˜˝ẀẁẃẄẅỲỳ–— ‘’‚“”„†‡…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚ ĞĞĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞ ŞŢŢŤŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻ−≤≥fifl ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰα βγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧ ШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏ ѢѢѲѲѴѴ ҐҐәǽẀẁ ẂẃẄẅỲỳ№ Do not add objects or text in the footer area RTP Simulcast | IETF 89 - AVTCORE | March 2014 | Page 2 (17) IPR Disclosure ›For referred draft-westerlund-avtcore-rtp-simulcast –http://datatracker.ietf.org/ipr/1637/ (Ericsson)http://datatracker.ietf.org/ipr/1637/ –https://datatracker.ietf.org/ipr/1931/ (Microsoft)https://datatracker.ietf.org/ipr/1931/ –https://datatracker.ietf.org/ipr/2157/ (Microsoft)https://datatracker.ietf.org/ipr/2157/

3. Slide title 44 pt Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt Characters for Embedded font: !"#$%&'()*+,-./0123456789:; ?@ABCDEFGHIJKLMNOPQRSTUV WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡¢£¤¥¦§¨©ª« ¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛ ÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂăąĆćĊċ ČĎďĐđĒĖėĘęĚěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒ œŔŕŖŗŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒˆˇ˘˙˚˛ ˜˝ẀẁẃẄẅỲỳ–— ‘’‚“”„†‡…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚ ĞĞĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞ ŞŢŢŤŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻ−≤≥fifl ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰα βγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧ ШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏ ѢѢѲѲѴѴ ҐҐәǽẀẁ ẂẃẄẅỲỳ№ Do not add objects or text in the footer area RTP Simulcast | IETF 89 - AVTCORE | March 2014 | Page 3 (17) Presentation Goal ›Establish consensus on needed RTP level simulcast features –Signaling (SDP) level discussion taken separately in MMUSIC

4. Slide title 44 pt Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt Characters for Embedded font: !"#$%&'()*+,-./0123456789:; ?@ABCDEFGHIJKLMNOPQRSTUV WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡¢£¤¥¦§¨©ª« ¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛ ÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂăąĆćĊċ ČĎďĐđĒĖėĘęĚěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒ œŔŕŖŗŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒˆˇ˘˙˚˛ ˜˝ẀẁẃẄẅỲỳ–— ‘’‚“”„†‡…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚ ĞĞĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞ ŞŢŢŤŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻ−≤≥fifl ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰα βγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧ ШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏ ѢѢѲѲѴѴ ҐҐәǽẀẁ ẂẃẄẅỲỳ№ Do not add objects or text in the footer area RTP Simulcast | IETF 89 - AVTCORE | March 2014 | Page 4 (17) ›Simulcast is simultaneous transmission of multiple different and independent Encoded Streams originating from the same Media Source –Terms from RTP Taxonomy draft Simulcast Definition Media Source Media Packetizer Media Encoder Media Packetizer Simulcast

5. Slide title 44 pt Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt Characters for Embedded font: !"#$%&'()*+,-./0123456789:; ?@ABCDEFGHIJKLMNOPQRSTUV WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡¢£¤¥¦§¨©ª« ¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛ ÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂăąĆćĊċ ČĎďĐđĒĖėĘęĚěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒ œŔŕŖŗŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒˆˇ˘˙˚˛ ˜˝ẀẁẃẄẅỲỳ–— ‘’‚“”„†‡…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚ ĞĞĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞ ŞŢŢŤŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻ−≤≥fifl ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰα βγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧ ШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏ ѢѢѲѲѴѴ ҐҐәǽẀẁ ẂẃẄẅỲỳ№ Do not add objects or text in the footer area RTP Simulcast | IETF 89 - AVTCORE | March 2014 | Page 5 (17) ›Enable Media Aware Network Elements (MANEs) to avoid media transcoding to the furthest extent possible ›Enable diversity in media capability across receivers –Endpoint capability –Transport capability ›Limit amount of needed signaling when a Participant enters or leaves a Communication Session Simulcast Design Targets

6. Slide title 44 pt Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt Characters for Embedded font: !"#$%&'()*+,-./0123456789:; ?@ABCDEFGHIJKLMNOPQRSTUV WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡¢£¤¥¦§¨©ª« ¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛ ÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂăąĆćĊċ ČĎďĐđĒĖėĘęĚěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒ œŔŕŖŗŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒˆˇ˘˙˚˛ ˜˝ẀẁẃẄẅỲỳ–— ‘’‚“”„†‡…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚ ĞĞĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞ ŞŢŢŤŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻ−≤≥fifl ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰα βγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧ ШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏ ѢѢѲѲѴѴ ҐҐәǽẀẁ ẂẃẄẅỲỳ№ Do not add objects or text in the footer area RTP Simulcast | IETF 89 - AVTCORE | March 2014 | Page 6 (17) Sample Topology SenderMANE 1MANE 2 Receiver 1 Receiver 2 Media Source 1 Media Source 2 Two Media Sources, each in two versions One version of a single Media Source One version each of two Media Sources Ideally what is needed by all MANE 2 Receivers Receiver 3 Only single Sender shown in this slide, for simplicity

7. Slide title 44 pt Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt Characters for Embedded font: !"#$%&'()*+,-./0123456789:; ?@ABCDEFGHIJKLMNOPQRSTUV WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡¢£¤¥¦§¨©ª« ¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛ ÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂăąĆćĊċ ČĎďĐđĒĖėĘęĚěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒ œŔŕŖŗŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒˆˇ˘˙˚˛ ˜˝ẀẁẃẄẅỲỳ–— ‘’‚“”„†‡…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚ ĞĞĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞ ŞŢŢŤŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻ−≤≥fifl ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰα βγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧ ШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏ ѢѢѲѲѴѴ ҐҐәǽẀẁ ẂẃẄẅỲỳ№ Do not add objects or text in the footer area RTP Simulcast | IETF 89 - AVTCORE | March 2014 | Page 7 (17) Receiver Interests SenderMANE 1MANE 2 Receiver 1 Receiver 2 Very likely interested in who originated the stream(s) How MANE chooses which streams to forward and where must match the application(s) in the receivers Receiver 3 Application-specific use of received streams Media Source 1 Media Source 2

8. Slide title 44 pt Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt Characters for Embedded font: !"#$%&'()*+,-./0123456789:; ?@ABCDEFGHIJKLMNOPQRSTUV WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡¢£¤¥¦§¨©ª« ¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛ ÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂăąĆćĊċ ČĎďĐđĒĖėĘęĚěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒ œŔŕŖŗŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒˆˇ˘˙˚˛ ˜˝ẀẁẃẄẅỲỳ–— ‘’‚“”„†‡…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚ ĞĞĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞ ŞŢŢŤŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻ−≤≥fifl ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰα βγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧ ШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏ ѢѢѲѲѴѴ ҐҐәǽẀẁ ẂẃẄẅỲỳ№ Do not add objects or text in the footer area RTP Simulcast | IETF 89 - AVTCORE | March 2014 | Page 8 (17) Sender Interests SenderMANE 1MANE 2 Receiver 1 Receiver 2 The Sender’s purpose with sent Sources is typically very static, like left and right part of a room Stream dynamics mainly from adaptation or temporary pause of unneeded streams Receiver 3 The Sender’s purpose with simulcast is to assist MANE in reaching as many Receivers as possible Media Source 1 Media Source 2

9. Slide title 44 pt Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt Characters for Embedded font: !"#$%&'()*+,-./0123456789:; ?@ABCDEFGHIJKLMNOPQRSTUV WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡¢£¤¥¦§¨©ª« ¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛ ÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂăąĆćĊċ ČĎďĐđĒĖėĘęĚěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒ œŔŕŖŗŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒˆˇ˘˙˚˛ ˜˝ẀẁẃẄẅỲỳ–— ‘’‚“”„†‡…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚ ĞĞĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞ ŞŢŢŤŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻ−≤≥fifl ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰα βγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧ ШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏ ѢѢѲѲѴѴ ҐҐәǽẀẁ ẂẃẄẅỲỳ№ Do not add objects or text in the footer area RTP Simulcast | IETF 89 - AVTCORE | March 2014 | Page 9 (17) MANE Interests SenderMANE 1MANE 2 Receiver 1 Receiver 2 Which streams that occur here depends on some application- specific selection criteria Adaptation or overall constraints may prevent all (wanted) streams from being forwarded A new Sender will use a new SSRC (or CSRC) Needs to know where/if to forward when receiving a new SSRC Receiver 3 Media Source 1 Media Source 2

10. Slide title 44 pt Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt Characters for Embedded font: !"#$%&'()*+,-./0123456789:; ?@ABCDEFGHIJKLMNOPQRSTUV WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡¢£¤¥¦§¨©ª« ¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛ ÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂăąĆćĊċ ČĎďĐđĒĖėĘęĚěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒ œŔŕŖŗŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒˆˇ˘˙˚˛ ˜˝ẀẁẃẄẅỲỳ–— ‘’‚“”„†‡…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚ ĞĞĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞ ŞŢŢŤŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻ−≤≥fifl ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰα βγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧ ШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏ ѢѢѲѲѴѴ ҐҐәǽẀẁ ẂẃẄẅỲỳ№ Do not add objects or text in the footer area RTP Simulcast | IETF 89 - AVTCORE | March 2014 | Page 10 (17) ›Application-dependent! ›A list-based per-SSRC forwarding approach is too simplistic: –Received : Forward to –Needs to know all SSRC in advance to be able to forward –Very frequent list updates and thus heavy signaling needed –Does not scale well! ›Choosing what to forward is really a multi-level decision MANE Actions

11. Slide title 44 pt Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt Characters for Embedded font: !"#$%&'()*+,-./0123456789:; ?@ABCDEFGHIJKLMNOPQRSTUV WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡¢£¤¥¦§¨©ª« ¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛ ÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂăąĆćĊċ ČĎďĐđĒĖėĘęĚěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒ œŔŕŖŗŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒˆˇ˘˙˚˛ ˜˝ẀẁẃẄẅỲỳ–— ‘’‚“”„†‡…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚ ĞĞĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞ ŞŢŢŤŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻ−≤≥fifl ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰα βγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧ ШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏ ѢѢѲѲѴѴ ҐҐәǽẀẁ ẂẃẄẅỲỳ№ Do not add objects or text in the footer area RTP Simulcast | IETF 89 - AVTCORE | March 2014 | Page 11 (17) ›Choosing what to forward is a multi-level decision ›Which “role” or Participant? –“active speaker”, “slides”, “chair”, “John Doe”, “London”, … ›Which Media Source(s), for the chosen “role” / Participant? –A “role” / Participant can have multiple Media Sources ›Which versions/qualities for each of those Media Sources? –SIMULCAST (or scalable coding) when multiple versions are available –Use the quality that best matches receiver and transport capabilities MANE Forwarding Decisions

12. Slide title 44 pt Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt Characters for Embedded font: !"#$%&'()*+,-./0123456789:; ?@ABCDEFGHIJKLMNOPQRSTUV WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡¢£¤¥¦§¨©ª« ¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛ ÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂăąĆćĊċ ČĎďĐđĒĖėĘęĚěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒ œŔŕŖŗŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒˆˇ˘˙˚˛ ˜˝ẀẁẃẄẅỲỳ–— ‘’‚“”„†‡…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚ ĞĞĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞ ŞŢŢŤŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻ−≤≥fifl ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰα βγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧ ШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏ ѢѢѲѲѴѴ ҐҐәǽẀẁ ẂẃẄẅỲỳ№ Do not add objects or text in the footer area RTP Simulcast | IETF 89 - AVTCORE | March 2014 | Page 12 (17) “Role” SenderMANE 1MANE 2 Receiver 1 Receiver 2 Media Source 1 Media Source 2 Roles can affect how and where media are presented in the application Dynamic roles based on MANE functionality are added, like “active speaker” and “last active speaker” Receiver 3 Stream “roles” directly from a Sender are typically static, like “chair”, better suited as roster information Subsequent MANE can re-allocate roles based on local input and decisions, like a locally attached Sender that is a “more active speaker” than the one provided by MANE 1 Receivers may desire streams with certain, static roles, like “main” Just for understanding; “role” handling is out of scope for Simulcast

13. Slide title 44 pt Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt Characters for Embedded font: !"#$%&'()*+,-./0123456789:; ?@ABCDEFGHIJKLMNOPQRSTUV WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡¢£¤¥¦§¨©ª« ¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛ ÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂăąĆćĊċ ČĎďĐđĒĖėĘęĚěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒ œŔŕŖŗŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒˆˇ˘˙˚˛ ˜˝ẀẁẃẄẅỲỳ–— ‘’‚“”„†‡…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚ ĞĞĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞ ŞŢŢŤŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻ−≤≥fifl ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰα βγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧ ШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏ ѢѢѲѲѴѴ ҐҐәǽẀẁ ẂẃẄẅỲỳ№ Do not add objects or text in the footer area RTP Simulcast | IETF 89 - AVTCORE | March 2014 | Page 13 (17) Media Source SenderMANE 1MANE 2 Receiver 1 Receiver 2 Media Source 1 Media Source 2 Media Source ID is unique in Sender scope Some Receivers may be capable of handling multiple Media Sources for a role Receiver 3 When all Media Sources for a role cannot be forwarded, which to forward is a matter of MANE application

14. Slide title 44 pt Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt Characters for Embedded font: !"#$%&'()*+,-./0123456789:; ?@ABCDEFGHIJKLMNOPQRSTUV WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡¢£¤¥¦§¨©ª« ¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛ ÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂăąĆćĊċ ČĎďĐđĒĖėĘęĚěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒ œŔŕŖŗŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒˆˇ˘˙˚˛ ˜˝ẀẁẃẄẅỲỳ–— ‘’‚“”„†‡…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚ ĞĞĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞ ŞŢŢŤŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻ−≤≥fifl ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰα βγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧ ШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏ ѢѢѲѲѴѴ ҐҐәǽẀẁ ẂẃẄẅỲỳ№ Do not add objects or text in the footer area RTP Simulcast | IETF 89 - AVTCORE | March 2014 | Page 14 (17) Quality Version SenderMANE 1MANE 2 Receiver 1 Receiver 2 Media Source 1 Media Source 2 A simulcast-enabled Sender provides Quality Versions that: a) MANE wants b) Sender has capability for c) Transport capacity allows for A receiving Endpoint rarely needs more than a single Quality Version per received Media Source Ideally only the Quality Versions needed by MANE’s receivers; changes with Participants entering or leaving Receiver 3

15. Slide title 44 pt Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt Characters for Embedded font: !"#$%&'()*+,-./0123456789:; ?@ABCDEFGHIJKLMNOPQRSTUV WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡¢£¤¥¦§¨©ª« ¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛ ÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂăąĆćĊċ ČĎďĐđĒĖėĘęĚěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒ œŔŕŖŗŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒˆˇ˘˙˚˛ ˜˝ẀẁẃẄẅỲỳ–— ‘’‚“”„†‡…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚ ĞĞĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞ ŞŢŢŤŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻ−≤≥fifl ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰα βγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧ ШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏ ѢѢѲѲѴѴ ҐҐәǽẀẁ ẂẃẄẅỲỳ№ Do not add objects or text in the footer area RTP Simulcast | IETF 89 - AVTCORE | March 2014 | Page 15 (17) ›Basic level –Receiver has capability matching a RTP PT provided by MANE –If MANE has several matching PT, assume Receiver wants “best” –“Best” is often not straightforward, but depends on preferences ›Often desirable to Simulcast quality versions differing only in aspects that would “fit” within the same PT definition –Want to avoid unnecessarily using up the limited PT number space! –Some aspects are not even possible to define per PT ›A sub-Payload Type concept seems desirable! Matching Quality Versions

16. Slide title 44 pt Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt Characters for Embedded font: !"#$%&'()*+,-./0123456789:; ?@ABCDEFGHIJKLMNOPQRSTUV WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡¢£¤¥¦§¨©ª« ¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛ ÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂăąĆćĊċ ČĎďĐđĒĖėĘęĚěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒ œŔŕŖŗŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒˆˇ˘˙˚˛ ˜˝ẀẁẃẄẅỲỳ–— ‘’‚“”„†‡…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚ ĞĞĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞ ŞŢŢŤŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻ−≤≥fifl ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰα βγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧ ШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏ ѢѢѲѲѴѴ ҐҐәǽẀẁ ẂẃẄẅỲỳ№ Do not add objects or text in the footer area RTP Simulcast | IETF 89 - AVTCORE | March 2014 | Page 16 (17) FeaturePossible SolutionsScope “Role”Possibly appIdApplication- dependent ParticipantNon-RTP signaling (e.g. SDP or roster), based on: Originating Media Source SSRC Originating Media Source RTCP SDES (CNAME, NAME) End-to-end Media Source SRCNAME CSRC Possibly appId, amended Possibly msid, amended End-to-end Quality Version RTP Payload Type as base RTP Payload Type sub-division: SRCNAME.config-id Possibly appId Per hop Needed RTP Level Features appId:draft-even-mmusic-application-token SRCNAME:draft-westerlund-avtext-rtcp-sdes-srcname config-id:draft-westerlund-avtcore-rtp-simulcast msid:draft-ietf-mmusic-msid It is all about identification!

17. Slide title 44 pt Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt Characters for Embedded font: !"#$%&'()*+,-./0123456789:; ?@ABCDEFGHIJKLMNOPQRSTUV WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡¢£¤¥¦§¨©ª« ¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛ ÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂăąĆćĊċ ČĎďĐđĒĖėĘęĚěĞğĠġĢģĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒ œŔŕŖŗŘřŚśŞşŠšŢţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒˆˇ˘˙˚˛ ˜˝ẀẁẃẄẅỲỳ–— ‘’‚“”„†‡…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚ ĞĞĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞ ŞŢŢŤŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻ−≤≥fifl ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰα βγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧ ШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏ ѢѢѲѲѴѴ ҐҐәǽẀẁ ẂẃẄẅỲỳ№ Do not add objects or text in the footer area RTP Simulcast | IETF 89 - AVTCORE | March 2014 | Page 17 (17) Discussion ›What is an appropriate RTP level Media Source identification in a Simulcast context? –CSRC? –SRCNAME? –appId, amended with semantics and end-to-end scope? –msid, amended with RTP level information and end-to-end scope? ›Do we need a concept sub-dividing Payload Types? –Sub-dividing SRCNAME, like SRCNAME.config-id? –Separate concept, like appId?