An improved marking mechanism for real-time video over diffserv networks

Authors:
Lishui Chen;Guizhong Liu;Fan Zhao
Affiliations:
School of Electronics and Information Engineering, Xi'an Jiaotong University, Xi'an, China;School of Electronics and Information Engineering, Xi'an Jiaotong University, Xi'an, China;School of Electronics and Information Engineering, Xi'an Jiaotong University, Xi'an, China
Venue:
PCM'07 Proceedings of the multimedia 8th Pacific Rim conference on Advances in multimedia information processing
Year:
2007

Citing 2
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Abstract

As is well known, in video applications the former P frames are more important than the subsequent P frames in coding/decoding order due to the inter-prediction architecture adopted by the advanced video coding standards. A source marking mechanism based on this fact is proposed accordingly in this paper, along with an improved two rate three color maker (ITRTCM) scheme, which takes into account both the source mark value of a packet and the current network status. The results of ITRTCM are compared with those of the two rate three color marker (TRTCM), the enhanced token bucket three color marker (ETBTCM) and the TypeMapping method.