On 7/25/06, Saverio Mascolo <mascolo@xxxxxxxxx> wrote:
can we know more on what perkins says below: >Colin Perkins on experiences with interactive video using TFRC. He described joint work > with ISI funded by NSF. His experience was of using TFRC in user space, and > some open issues that may impact implementation of DCCP CC methods. This > follows the TFRC profile in AVT. This is approx 8 Mbps of video, and packet > spacing is hard in user-space, which is an implementation issue. The end > result is that stability is hard with RTTs of less than 10 or 20 ms. It gets > more stable at larger RTTs.
Have a look at the slides at: https://datatracker.ietf.org/public/meeting_materials.cgi?meeting_num=66 Just go down to the DCCP section. Ian -- Ian McDonald Web: http://wand.net.nz/~iam4 Blog: http://imcdnzl.blogspot.com WAND Network Research Group Department of Computer Science University of Waikato New Zealand
