A Novel Stateful PCE-Cloud Based Control Architecture of Optical Networks for Cloud Services

被引：0
|
作者：
QIN Panke [1 ,2 ]
CHEN Xue [1 ]
WANG Lei [1 ]
WANG Liqian [1 ]
机构：
[1] State Key Lab of Information Photonics and Optical Communications,Beijing University of Posts and Telecommunications
[2] College of Computer Science and Technology,Henan Polytechnic University
来源：
China Communications | 2015年 / 12卷 / 10期
基金：
中国国家自然科学基金;
关键词：
optical networks; control plane; GMPLS; stateful PCE; cloud computing; Qo S;
D O I：
暂无
中图分类号：
TP393.09 [];
学科分类号：
080402 ;
摘要：
The next-generation optical network is a service oriented network,which could be delivered by utilizing the generalized multiprotocol label switching(GMPLS) based control plane to realize lots of intelligent features such as rapid provisioning,automated protection and restoration(P&R),efficient resource allocation,and support for different quality of service(QoS) requirements.In this paper,we propose a novel stateful PCE-cloud(SPC)based architecture of GMPLS optical networks for cloud services.The cloud computing technologies(e.g.virtualization and parallel computing) are applied to the construction of SPC for improving the reliability and maximizing resource utilization.The functions of SPC and GMPLS based control plane are expanded according to the features of cloud services for different QoS requirements.The architecture and detailed description of the components of SPC are provided.Different potential cooperation relationships between public stateful PCE cloud(PSPC) and region stateful PCE cloud(RSPC) are investigated.Moreover,we present the policy-enabled and constraint-based routing scheme base on the cooperation of PSPC and RSPC.Simulation results for verifying the performance of routing and control plane reliability are analyzed.
引用
收藏
页码：117 / 127
页数：11
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