Proposal of an extended AAL5 for VBR MPEG-2 over ATM

Author

Mehaoua, Ahmed ; Boutaba, Raouf ; Pujolle, Guy

Author_Institution

Inst. of Comput. Res., McGill Coll., Montreal, Que., Canada

fYear

1997

fDate

3-6 Jun 1997

Firstpage

618

Lastpage

619

Abstract

Transmission of VBR MPEG-2 applications over ATM networks requires efficient mechanisms to minimize video quality degradation in situation of loss. The key factor that controls the end-to-end performance is the ATM adaptation layer. AAL 5 is currently the most commonly used but is still inadequate for variable bit rate video. We propose a new service specific convergence sublayer to improve AAL 5 capabilities. An MPEG-2 video stream encapsulation strategy and a new cell priority assignation scheme are also presented

Keywords

asynchronous transfer mode; code standards; packet switching; telecommunication standards; video coding; visual communication; ATM; ATM adaptation layer; MPEG-2 video stream encapsulation; VBR MPEG-2; cell priority; extended AAL5; performance; service specific convergence sublayer; variable bit rate video; video quality degradation; Asynchronous transfer mode; Bit rate; Communication system traffic control; Computer networks; Convergence; Decoding; Educational institutions; Encapsulation; Jitter; Proposals;

fLanguage

English

Publisher

ieee

Conference_Titel

Multimedia Computing and Systems '97. Proceedings., IEEE International Conference on

Conference_Location

Ottawa, Ont.

Print_ISBN

0-8186-5530-5

Type

conf

DOI

10.1109/MMCS.1997.609784

Filename

609784