Multi-Services Bandwidth Assignment Algorithm in EPON

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2004, Vol. 27 ›› Issue (5): 90-93.

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Multi-Services Bandwidth Assignment Algorithm in EPON

ZHAN G Yang1 ,　CHEN Xue1 ,　HU AN G Xiang1 ,　DEN G Yu2

1. Telecomm uni cati on Engineering School, Beijing Univ ersi t y of Pos ts and Telecommu ni cati on s, Beijing 100876, China;
2. GW Technologi es Limi ted Compan y, Bei jing 100085, China

Received:2003-11-17 Online:2004-05-28

Abstract

Abstract: A nov el bandw idth dy namic assig nment algo ri thm for EPON ( etherent passiv e optical netwo rk) upst ream link is proposed, named integ ra ted periodic and quasi-periodic g ranting DBA ( IPAQG DBA) . The algo ri thm adopts quasi-periodic synchro ni zatio n polling DBA ( dynamic bandw idth assig nment ) and periodic static config ura tion mechani sm respectively fo r ethernet a nd TDM ( time divi sion mul tiplex ) serv ice. The simula tio n result s show that no t o nly the rigid Qo S( quali ty o f service) o f TDM service and the performa nce requirements o f ethernet service can be sa tisfied, but also very high ba ndw idth utilization and go od fai rness can be realized by IPAQG DBA at the same time.

Key words: etherent passive optical network, dynamic bandwidth assignment, time division multiplex, quality of service

CLC Number:

TN915.6

ZHAN G Yang1 ,　CHEN Xue1 ,　HU AN G Xiang1 ,　DEN G Yu2. Multi-Services Bandwidth Assignment Algorithm in EPON[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2004, 27(5): 90-93.

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Multi-Services Bandwidth Assignment Algorithm in EPON

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