An effective implementation scheme of just-in-time protocol for optical burst switching networks

Guiling Wu; Xinwan Li; Jian-Ping Chen; Hui Wang

doi:10.1117/12.570070

8 February 2005 An effective implementation scheme of just-in-time protocol for optical burst switching networks

Guiling Wu, Xinwan Li, Jian-Ping Chen, Hui Wang

Proceedings Volume 5626, Network Architectures, Management, and Applications II; (2005) https://doi.org/10.1117/12.570070
Event: Asia-Pacific Optical Communications, 2004, Beijing, China

Abstract

Optical burst switching (OBS) has been emerging as a promising technology that can effectively support the next generation IP-oriented transportation networks. JIT signaling protocol for OBS is relatively simple and easy to be implemented by hardware. This paper presented an effective scheme to implement the JIT protocol, which not only can effectively implement reservation and release of optical channels based on JIT, but also can process the failure of channel reservation and release due to loss of burst control packets. The scheme includes: (1) a BHP (burst head packet) path table is designed and built at each OBS node. It is used to guarantee the corresponding burst control packet, i.e. BHP, BEP (burst end packet) and BEP_ACK (BEP acknowledgement), to be transmitted in the same path. (2) The timed retransmission of BEP and the reversed deletion of the item in BHP path tables triggered by the corresponding BEP_ACK are combined to solve the problems caused by the loss of the signaling messages in channel reservation and release process. (3) Burst head packets and BEP_ACK are transmitted using “best-effort” method. Related signaling messages and their formats for the proposed scheme are also given.

Citation Download Citation

Guiling Wu, Xinwan Li, Jian-Ping Chen, and Hui Wang "An effective implementation scheme of just-in-time protocol for optical burst switching networks", Proc. SPIE 5626, Network Architectures, Management, and Applications II, (8 February 2005); https://doi.org/10.1117/12.570070

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