Abstract

The resource contention problem is critical in Just-Enough-Time (JET) based optical burst switching (OBS) networks. Although deflection routing (DR) reduces the contention probability in some degree, it does not give much improvement under heavy traffic load. This paper analyzed the inducement causing contention in OBS networks, and proposed Resource Information Sharing Enhancement (RISE) scheme. Theoretical analysis shows that this scheme achieves shorter length of the detour path than normal DR. We simulated this scheme on both full mesh network and practical 14-node NSFNET. The simulation results show that it gives at best 2 orders magnitude improvement in reducing the burst contention probability over its previous routing approaches.

© 2005 Optical Society of America

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References

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  1. C. Qiao and M. Yoo, �??Optical burst switching (OBS) - a new paradigm for an optical Internet,�?? J. High Speed Networks, 8, 69-84 (1999).
  2. Myungsik Yoo et al., �??Just-Enough-Time (JET): A High Speed Protocol for Bursty Traffic in Optical Networks,�?? in proceeding of IEEE/LEOS Conf. on Technologies for a Global Information Infrastructure (1997), pp. 26-27.
  3. ITU-T Rec. G.8080/Y.1304, �??Architecture for the Automatically Switched Optical Network,�?? (Geneva, 2001).
  4. X. Wang et al., �??A Deflection Routing Protocol for Optical Bursts in WDM Networks,�?? in proceeding of Fifth Optoelectronics and Communications Conference (Makuhari, Japan, 2000), pp. 94-95.
  5. X. Wang et al., �??Burst optical deflection routing protocol for wavelength routing WDM networks,�?? Opt. Net. Mag., 3, 12-18 (2002).
  6. M. Yoo et al., �??A comparative study of contention resolution policies in optical burst switched WDM networks,�?? in proceeding of Conf. on Terabit Optical Networking (2000), 4213, pp. 124-135.
  7. S. Kim et al., �??Contention resolution for optical burst switching networks using alternative routing,�?? in proceeding of IEEE Int. Conf. Communications (New York, 2002), pp. 2679-2681.
  8. Ching-Fang Hsu et al., �??On the deflection routing in QoS supported optical burst-switched networks,�?? in proceeding of ICC�??02 (2002), pp. 2786�??2790.
  9. Yang Chen et al., �??Performance Analysis of Optical Burst Switched Node with Deflection Routing,�?? in proceeding of ICC'03 (Anchorage, USA, 2003), pp. 1355-1359.
  10. S. Lee et al., �??Contention-Based Limited Deflection Routing in OBS Networks,�?? in proceeding of the IEEE Globecom (San Francisco, 2003), pp. 2633-2637.
  11. C. Qiao et al., �??Choices, features and issues in optical burst switching,�?? Opt. Net. Mag, 1, 36-44 (2000).
  12. Network Simulator, NS-2, available at <a href="http://www.isi.edu/nsnam/ns/">http://www.isi.edu/nsnam/ns/</a>

Conf. Terabit Optical Networking 2000 (1)

M. Yoo et al., �??A comparative study of contention resolution policies in optical burst switched WDM networks,�?? in proceeding of Conf. on Terabit Optical Networking (2000), 4213, pp. 124-135.

ICC 2002 (1)

Ching-Fang Hsu et al., �??On the deflection routing in QoS supported optical burst-switched networks,�?? in proceeding of ICC�??02 (2002), pp. 2786�??2790.

ICC 2003 (1)

Yang Chen et al., �??Performance Analysis of Optical Burst Switched Node with Deflection Routing,�?? in proceeding of ICC'03 (Anchorage, USA, 2003), pp. 1355-1359.

IEEE Globecom 2003 (1)

S. Lee et al., �??Contention-Based Limited Deflection Routing in OBS Networks,�?? in proceeding of the IEEE Globecom (San Francisco, 2003), pp. 2633-2637.

IEEE Intl. Conf. Communications 2002 (1)

S. Kim et al., �??Contention resolution for optical burst switching networks using alternative routing,�?? in proceeding of IEEE Int. Conf. Communications (New York, 2002), pp. 2679-2681.

IEEE/LEOS Tech. Global Info. Infra. 1997 (1)

Myungsik Yoo et al., �??Just-Enough-Time (JET): A High Speed Protocol for Bursty Traffic in Optical Networks,�?? in proceeding of IEEE/LEOS Conf. on Technologies for a Global Information Infrastructure (1997), pp. 26-27.

J. High Speed Networks (1)

C. Qiao and M. Yoo, �??Optical burst switching (OBS) - a new paradigm for an optical Internet,�?? J. High Speed Networks, 8, 69-84 (1999).

Opt. Net. Mag. (2)

C. Qiao et al., �??Choices, features and issues in optical burst switching,�?? Opt. Net. Mag, 1, 36-44 (2000).

X. Wang et al., �??Burst optical deflection routing protocol for wavelength routing WDM networks,�?? Opt. Net. Mag., 3, 12-18 (2002).

Optoelec. Commun. Conf. 2000 (1)

X. Wang et al., �??A Deflection Routing Protocol for Optical Bursts in WDM Networks,�?? in proceeding of Fifth Optoelectronics and Communications Conference (Makuhari, Japan, 2000), pp. 94-95.

Other (2)

ITU-T Rec. G.8080/Y.1304, �??Architecture for the Automatically Switched Optical Network,�?? (Geneva, 2001).

Network Simulator, NS-2, available at <a href="http://www.isi.edu/nsnam/ns/">http://www.isi.edu/nsnam/ns/</a>

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Figures (5)

Fig. 1.
Fig. 1.

Performance degradation of DR in practical topology

Fig. 2.
Fig. 2.

Flowchart for RISE scheme

Fig. 3.
Fig. 3.

Length of detour path comparison between RISE and DR

Fig. 4.
Fig. 4.

Simulation on 3×4 full mesh network topology

Fig. 5.
Fig. 5.

Burst contention probability comparison in 14-node NSFNET

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