Efficiency of AAL2 for voice transport: simulation comparison with AAL1 and AAL5

Author

Petr, David W. ; Vatte, Raghushankar R. ; Sampath, Prema ; Lu, Yong-Qing

Author_Institution

Inf. & Telecommun. Technol. Centre, Kansas Univ., Lawrence, KS, USA

Volume

2

fYear

1999

fDate

1999

Firstpage

896

Abstract

We evaluate the efficiency of AAL2 for voice transport in ATM networks using a simulation approach. After highlighting some of the general characteristics of AAL2, we adopt as the QoS requirement a bound on the K^th percentile delay in the AAL transmitter. We then determine the maximum number of homogeneous voice sources of a given bit rate that can be supported on a given bandwidth without violating this QoS requirement for AAL1, AAL2 and AAL5. Comparisons with simple analytical approximations are also provided. We conclude that AAL2 can support approximately 5 times as many 8 kb/s voice users as either AAL1 or AAL5, but all AALs can support approximately the same number of 64 kb/s users

Keywords

asynchronous transfer mode; quality of service; voice communication; 64 kbit/s; 8 kbit/s; AAL1; AAL2; AAL5; ATM networks; K^th percentile delay; QoS requirement; bit rate; homogeneous voice sources; simulation; voice transport; Asynchronous transfer mode; Bandwidth; Bit rate; Computational modeling; Computer simulation; Convergence; Delay; Filling; Standardization; Transmitters;

fLanguage

English

Publisher

ieee

Conference_Titel

Communications, 1999. ICC '99. 1999 IEEE International Conference on

Conference_Location

Vancouver, BC

Print_ISBN

0-7803-5284-X

Type

conf

DOI

10.1109/ICC.1999.765403

Filename

765403