P-CAS: A Priority-Based Channel Assignment Scheme over Multi-Channel Cable Network for UGS Service Provisioning

被引：0

作者：

Chu, Kuo-Chih ^{[1
]}

Lee, Wei-Tsong ^{[2
]}

Tan, Chin-Ping ^{[3
]}

机构：

[1] Lunghwa Univ Sci & Technol, Dept Elect Engn, Taoyuan 333, Taiwan

[2] Tamkang Univ, Dept Elect Engn, Tamsui 251, Taiwan

[3] Askey Comp Corp, Taipei, Taiwan

来源：

JOURNAL OF APPLIED SCIENCE AND ENGINEERING | 2007年 / 10卷 / 04期

关键词：

Data-Over-Cable Service Interface Specifications (DOCSIS); Hybrid Fiber Coaxial (HFC); Cable Network; Quality of Service (QoS);

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Currently, the most popular standard adopted in cable network is the Data-Over-Cable Service Interface Specifications (DOCSIS) protocol. For supporting emerging multimedia applications, several QoS mechanisms and service types were defined in DOCSIS. DOCSIS, however, did not specify how to schedule these QoS-enabled traffics and thus this paper tries to offer a priority-based scheduling scheme with dynamic channel assignment to support the Unsolicited Grant Service (UGS). By considering the tolerated jitter and throughput of each request, we defined certain priority equations and channel assignment rules for the service scheduling. According to simulation results, our solution, named Priority-based Channel Assignment Scheme (P-CAS), provides decent service delivery rate, channel utilization ratio, channel load balance, and fair bandwidth utilization.

引用

页码：341 / 350

页数：10

共 20 条

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