A programmable architecture for layered multimedia streams in IPv6 networks

Alan Marshall, Roger Woods, Brendan McAllister

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


A new configurable architecture is presented that offers multiple levels of video playback by accommodating variable levels of network utilization and bandwidth. By utilizing scalable MPEG-4 encoding at the network edge and using specific video delivery protocols, media streaming components are merged to fully optimize video playback for IPv6 networks, thus improving QoS. This is achieved by introducing “programmable network functionality” (PNF) which splits layered video transmission and distributes it evenly over available bandwidth, reducing packet loss and delay caused by out-of-profile DiffServ classes. An FPGA design is given which gives improved performance, e.g. link utilization, end-to-end delay, and that during congestion, improves on-time delivery of video frames by up to 80% when compared to current “static” DiffServ.
Original languageEnglish
Pages (from-to)65-74
Number of pages10
JournalJournal of Networks
Issue number1
Publication statusPublished - Jan 2010

ASJC Scopus subject areas

  • Computer Networks and Communications


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