OSNR comprehensive-awareness model based lightpath control scheme in an OpenFlow controlled all-optical network

被引：0

作者：

Bai, Hui-feng ^{[1
]}

Wang, Dong-shan ^{[1
]}

Wang, Li-cheng ^{[1
]}

Wang, Xiang ^{[1
]}

Liu, Hui-min ^{[1
]}

机构：

[1] Beijing NARI SmartChip Microelectronics Company Limited, Beijing,102200, China

来源：

Optoelectronics Letters | 2015年 / 11卷 / 04期

关键词：

All- optical networks - Communication quality - Lightpath establishment - Model-based OPC - Monitoring functions - Optical impairments - Optical signal to noise ratio - Packet loss rates;

D O I：

10.1007/s11801-015-5084-0

中图分类号：

学科分类号：

摘要：

To enhance the communication quality of OpenFlow controlled all-optical networks, an optical signal-to-noise ratio comprehensive-awareness (OSNR-CA) model based lightpath control scheme is proposed. This approach transforms main physical-layer optical impairments into OSNR value, and takes this comprehensive OSNR value of the optical signal along the lightpath into consideration, when establishing the lightpath for the connection request using Open-Flow protocol. Moreover, the proposed scheme makes full advantages of the OSNR monitoring function in each node, and assigns the lightpath according to the comprehensive-OSNR value by extending messages of OpenFlow protocol, in order to guarantee the reliable establishment of the lightpath. The simulation results show that the proposed scheme has better performance in terms of packet loss rate and lightpath establishment time.

引用

页码：290 / 293

页数：3

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