A new protection scheme for a combined ring-star based hybrid WDM/TDM PON architecture

被引：6
|
作者：
Kanungoe, Anirban [1 ]
Mukhopadhyay, Atri [1 ]
Das, Goutam [1 ]
Banerjee, Ratul [1 ]
Das, Rabi [1 ]
机构：
[1] IIT Kharagpur, GS Sanyal Sch Telecommun, Kharagpur, W Bengal, India
来源：
OPTICAL SWITCHING AND NETWORKING | 2015年 / 18卷
关键词：
Optical access network; Distributed control protocol; Availability; CAPEX;
D O I：
10.1016/j.osn.2014.05.005
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper we propose a hybrid WDM/TDM PON architecture that utilizes a combined ring-star based connectivity to provide shared protection against optical line terminal (OLT) failure. We have further proposed an appropriate control mechanism governed by a proposed MAC protocol to reduce the protection switching time. We calculated the approximate reach of the proposed network. We have evaluated the availability figures of the network service per end-user subject to different failure scenarios within the proposed network architecture along with its associated capital expenditure (CAPEX) per user. Finally we have demonstrated that our proposed architecture provides a significant cost benefit over 1:1 protection scheme for achieving almost the same value of network availability. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：153 / 168
页数：16
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