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</o:shapelayout></xml><![endif]--></head><body lang=FR link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hi all,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>We have uploaded an Internet-Draft called “Pre-congestion notification in mobile networks” - <a href="http://www.ietf.org/id/draft-jobert-tsvwg-pre-congest-notif-mobile-00.pdf">http://www.ietf.org/id/draft-jobert-tsvwg-pre-congest-notif-mobile-00.pdf</a><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'>Abstract<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> Mobile networks may be divided into two main segments: the radio<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> segment, and the wireline segment. This document highlights that the<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> algorithms leading to pre-congestion notification (e.g. ECN marking)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> are usually significantly different for these two segments, and not<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> defined or documented in general over the radio segment. It also<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> explains that using ECN bits leads to having a unique signal for<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> notifying a pre-congestion related to two separate segments with<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> very different notification algorithms. Some consequences are<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> questioned, as well as the potential benefits of being able to<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> identify where the congestion comes from. This document finally<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> discusses the possibility to take into account the radio conditions<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> of the terminals when counting the volume of congestion over the<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'> radio segment.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>It has been posted in TSVWG, but the chairs indicated some possible interest from ICCRG.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>We are interested by review and comments.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thanks.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'>Best Regards,</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Sébastien JOBERT</span></b><span lang=EN-US><br></span><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Orange Expert, network synchronization and QoS in mobile networks<br></span><b><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#F5801F'>Orange Labs, Networks & Carriers - France Telecom Orange</span></b><span lang=EN-US><br><span style='color:#E36C0A'><a href="mailto:sebastien.jobert@orange-ftgroup.com"><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#E36C0A'>sebastien.jobert@orange.com</span></a></span> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>