----- Forwarded message from Dave Farber <[email protected]> ----- Date: Thu, 2 Sep 2010 07:42:43 -0400 From: Dave Farber <[email protected]> Subject: [IP] Re net neutrality vs. diff-serv? Reply-To: [email protected] To: ip <[email protected]> F15819D6-B688-11DF-8CB2-52F99C0C7E3D:
Begin forwarded message: > From: Richard Shockey <[email protected]> > Date: September 1, 2010 1:01:07 PM EDT > To: [email protected], 'ip' <[email protected]> > Subject: RE: [IP] Fwd: net neutrality vs. diff-serv? > > For IP if you wish. > > > > Mike you pointed out several things that have been obvious to those of us in > the Internet Engineering Community for some time. First packet discrimination > for various reasons, including congestion control, have been part of the > Internet Protocol suite since its inception. It???s not just DIFSERV its is > the core MPLS networks at the heart of most modern carrier networks that > could be affected if the proposed rules are not clearly understood. > > > > ATT today filed a ex parte statement along these lines today. > > > > http://www.politechbot.com/docs/att.paid.prioritization.letter.fcc.083110.pdf > > I don???t want to debate policy or the competition issues here, but it is > self evident that there are some applications that use IP networks that are > highly sensitive to packet latency and Voice and Telepresence/Point to Point > Video are first among them. The Cisco Telepresence applications in particular > generally require setting up a 10M per second MPLS circuit point to point to > achieve anything like a QoS. > > My own guess is that nearly 40% of all US Voice traffic is on IP networks at > some point in transmission now and with the next generation LTE/IMS/SIP > mobile networks that will rise to over 70% and yes its all ???managed??? IP > traffic. > > In addition it also seems self evident that emergency service communications > that use IP networks will need priority labeling for obvious reasons. > Congestion control has been part of the analog PSTN since its inception, that > is why you get fast busy signals some time and the USG has the GETS system in > place for priority access to the PSTN for Emergency Communications. > > There has been a substantial lack of technical input to the Net Neutrality > discussion many of us hope this will change ASAP. > > Begin forwarded message: > > From: Mike Liebhold <[email protected]> > Date: August 30, 2010 7:24:29 PM EDT > To: Dave Farber <[email protected]> > Subject: net neutrality vs. diff-serv? > > [for IP if you choose] > > Hi Dave, > > A colleague and I are struggling to understand the nuances of the net > neutrality debate, and are wondering if anyone on IP can help us. > > We are trying to understand the inter-relationships between net neutrality > policies, QoS, differentiated services for applications like burst download > for bulky files, guaranteed medium quality voip, high quality > teleconferencing, or streaming HD across the heterogenoous Internet. If > diff-serv capabilities are - not- allowed, under the currently debated net > neutrality regimens, how would telepresence services like Cisco's be able to > reserve routes across the internet offering a low-latency, low jitter session? > > What kinds of tiered services are allowed now, prohibited now, would be > possible or prohibited under different policy outcomes? > > It's a messy issue that requires clear thinking, good understanding to take > an informed perspective. > > Any plain english explanations would be greatly appreciated. > > Many Thanks, > > Mike Liebhold > > > > > Archives | Modify Your Subscription | Unsubscribe Now > > > > ------------------------------------------- Archives: https://www.listbox.com/member/archive/247/=now RSS Feed: https://www.listbox.com/member/archive/rss/247/ Modify Your Subscription: https://www.listbox.com/member/?member_id=125750&id_secret=125750-5bb6cf56 Unsubscribe Now: https://www.listbox.com/unsubscribe/?member_id=125750&id_secret=125750-6876700a Powered by Listbox: http://www.listbox.com ----- End forwarded message -----
