Markov Chains Based Dynamic Bandwidth Allocation in DiffServ Network

被引：8
|
作者：
Geng, Xianmin [1 ]
Luo, Aiwen [1 ]
Sun, Zhijun [2 ]
Cheng, Yu [3 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Sci, Nanjing 210016, Jiangsu, Peoples R China
[2] Nanjing Univ Aeronaut & Astronaut, Inst Precis Driving, Nanjing 210016, Jiangsu, Peoples R China
[3] IIT, Dept Elect & Comp Engn, Chicago, IL 60616 USA
来源：
IEEE COMMUNICATIONS LETTERS | 2012年 / 16卷 / 10期
基金：
中国国家自然科学基金;
关键词：
DiffServ; bandwidth allocation; Markov chains; blocking probability; DIFFERENTIATED SERVICES;
D O I：
10.1109/LCOMM.2012.082012.121218
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
This letter proposes a Markov chain based model for dynamic bandwidth allocation in DiffServ networks. At a time-slot, the proposed Markov chain is used to predict the bandwidth requirement at the next time-slot, and resource is then allocated accordingly. Such a pre-allocation scheme can effectively reduce the operation overhead in bandwidth allocation and further reduce the connection blocking probability. We present numerical results showing that our dynamic bandwidth allocation mechanism can reduce the network blocking probability by one order of magnitude, compared with the existing bandwidth borrowing mechanism.
引用
收藏
页码：1711 / 1714
页数：4
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