Demonstration of Deflection Routing With Layer-2 Evaluation at 40 Gb/s in a Three-Node Optical Burst Switching Testbed

We developed an optical burst switching (OBS) network testbed with three nodes, where each node consisted of a fast 5 5 (Pb,La)(Zr,Ti)O optical matrix switch. A newly developed Ether frame media converter was successfully used to evaluate Layer-2 performance of the testbed, with a line rate of 40Gb/...

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Bibliographic Details
Published in:IEEE photonics technology letters 2008-02, Vol.20 (3), p.178-180, Article 178
Main Authors: Al Amin, A., Takenaka, M., Tanemura, T., Shimizu, K., Inohara, R., Nishimura, K., Usami, M., Takita, Y., Kai, Y., Onaka, H., Uetsuka, H., Nakano, Y.
Format: Article
Language:English
Subjects:
Computer networks
Deflection
Deflection routing
Ethers
frame loss ratio (FLR)
Frames
High speed optical techniques
multihop network
Networks
Optical buffering
Optical burst switching
optical burst switching (OBS)
Optical fiber networks
Optical losses
Optical switches
Optical wavelength conversion
Payloads
Routing
Routing (telecommunications)
Switching
Switching theory
Testing
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Summary:We developed an optical burst switching (OBS) network testbed with three nodes, where each node consisted of a fast 5 5 (Pb,La)(Zr,Ti)O optical matrix switch. A newly developed Ether frame media converter was successfully used to evaluate Layer-2 performance of the testbed, with a line rate of 40Gb/s. A dynamic deflection routing scheme for contention resolution is implemented. Error-free switching with 40-Gb/s payload was achieved over the three nodes, promising low frame loss due to dynamic operation. By comparing effects of random collision with and without deflection routing for varying loads, we demonstrate that near-theoretical low frame loss is achievable in fast Layer-2 (Ether frame) transport over OBS networks.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2007.912970