On differentiated service provisioning in survivable WDM mesh networks

被引：0
作者：
Ni, Wenda [1 ]
Zhu, Chunlei [2 ]
Zheng, Xiaoping [1 ]
Li, Yanhe [1 ]
Guo, Yili [1 ]
Zhang, Hanyi [1 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, State Key Lab Integrated Optoelect, Tsing Hua Natl Lab Informat Sci & Technol, Beijing 100084, Peoples R China
[2] NVIDIA Inc, Shanghai 201203, Peoples R China
来源：
NETWORK ARCHITECTURES, MANAGEMENT, AND APPLICATIONS V, PTS 1 AND 2 | 2007年 / 6784卷
关键词：
network survivability; differentiated services (DiffServ); WDM mesh networks; service level agreement (SLA); integer linear programming (ILP);
D O I：
10.1117/12.742323
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
A differentiated survivable service provisioning (DSSP) framework is investigated in this paper for optical networks providing dedicated path protection (DPP) and shared path protection (SPP) services. To tackle the service provisioning problem under the framework, spare capacity allocation (SCA) problem is studied first. The structure of the problem is captured by a set of matrices. Then, based on the matrix model, a path-flow integer linear programming (ILP) formulation is presented to find the optimal service provisioning solution for a given set of traffic demands. The objective is to minimize total capacities consumed by working and backup paths of all demands. Furthermore, network performance under the dynamic DSSP framework is illustrated in terms of blocking probability, resource overbuild and average hop distance.
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页数：12
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