Abstract

In this paper, the optical composite burst switching (OCBS) technique is proposed to be implemented in an all-optical backbone network to support Internet protocol (IP) traffic. The OCBS is based on two main features. First,several IP packets are assembled in a single macropacket, called burst. Second,the burst contention in an optical switch is handled by means of two techniques,the wavelength dimension and the burst-dropping (BD) technique. Different from traditional optical burst switching, where an entire burst is discarded when all of the output wavelengths are engaged at the arrival instant of the burst, a switch adopting the BD technique discards only the initial part of a burst finding all of the engaged output wavelengths while forwarding the final part of the burst, beginning at the instant in which one wavelength becomes free. The OCBS allows an increase in the switch throughput in terms of number of accepted IP packets because a burst contains a given number of IP packets. We introduce the analytical model that allows us to evaluate the effectiveness of the technique and, in particular, the obtained saving; furthermore,a sensitivity analysis of the saving, with respect to both the optical burst switch parameters and the traffic load, is carried out.

© 2002 IEEE

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J. Lightwave Technol. (3)

Other (29)

S. L. Danielsen, C. Joergensen, B. Mikkelsen and K. E. Stubbkyaer, "Optical packet switched network layer without optical buffers", IEEE Photon. Technol. Lett., vol. 10, pp. 896-898, June 1998.

V. Eramo and M. Listanti, "Packet loss in a bufferless WDM switch employing shared tuneable wavelength converters", J. Lightwave Technol., vol. 18, pp. 1818 -1833, Dec. 2000.

A. Ge, F. Callegati and L. S. Tamil, "On optical burst switching and self-similar traffic", IEEE Commun. Lett., vol. 4, pp. 98-100, Mar. 2000.

F. Callegati, H. Cankaya, Y. Xiong and M. Vandenhoute, "Design issue of optical IP routers for internet backbone applications", IEEE Commun. Mag., vol. 37, pp. 2-6, Dec. 1999.

W. Simpson, "PPP in HDLC-like framing", Internet Engineering Task Force, RFC 1662, 1994.

J. Anderson, J. S. Manchester, A. Rodriguez-Moral and M. Veeraraghavan, "Protocol and architectures for IP optical networking", Bell Labs Tech. J., vol. 1, pp. 105-123, Jan.-Mar. 1999.

T. Doshi, et al. "A simple data link protocol for high-speed packet networks", Bell Labs Tech. J. , vol. 1, pp. 85-103, Jan.-Mar. 1999.

D. Mitra and J. A. Morrison, "Erlang capacity and uniform approximation for shared unbuffered resources", IEEE/ACM Trans. Networking, vol. 2, pp. 558-580, Dec. 1994.

F. P. Kelly, Reversibility and Stochastic Networks, New York: Wiley, 1980.

L. Kleinrock, Queueing Systems, New York: Wiley, 1975,vol. 1, pp. 164-169.

Lawrence Berkeley Network Laboratory and University of California Berkely. Network Simulator 2. [Online]. Available: http://www-mash.cs.berkeley.edu/ns/

M. G. Hluchyj and M. Karol, "Queuing in high performance packet switching", IEEE J. Select. Areas Commun., vol. 6, pp. 1587-1597, Dec. 1988 .

M. Burzio, P. Cinato, R. Finotti, P. Gambini, M. Puleo, E. Vezzoni and L. Zucchelli, "Optical cell syncronization in an ATM optical switch", in Proc. ECOC '94, Florence, Italy,Sept. 1994, pp. 581-584.

M. Burzio, P. Gambini and L. Zucchelli, "New solution for optical packet delineation and syncronization in optical packet switch networks", in Proc. ECOC '96, Oslo, Norway,Sept. 1996, pp. 3.301 -3.304.

S. Yao, B. Mukherjee and S. Dixit, "Advances in photonic packet switching: An overview", IEEE Commun. Mag., pp. 84-94, Feb. 2000.

Y. Chen and J. Turner, "WDM burst switching for petabit capacity routers", in Proc. MILCOM, vol. 2, 1999, pp. 968- 973.

J. Turner, "Terabit burst switching", J. High Speed Networks , vol. 8, pp. 3-16, 1999.

C. Qiao and M. Yoo, "A novel switching paradigm for buffer-less WDM networks", in Proc. OFC'99, Feb. 1999, ThM6,. pp. 177-179.

C. Qiao and M. Yoo, "Labeled optica burst switching for IP over WDM integration", IEEE Commun. Mag., vol. 38, pp. 104-114, Sept. 1999.

F. Masetti, P. Gavignet, D. Chiaroni and G. Da Loura, "Fiber delay lines optical buffer for ATM photonic switching applications", in Proc. IEEE INFOCOM '93, San Francisco, CA, March 1993 .

C. Guillemot, et al. "Optical packet switching for WDM IP gigabit routers", in Proc. ECOC'98, Madrid, Spain,Sept. 1998, pp. 433-434.

C. Guillemot, et al. "Optical packet switching for WDM high speed backbones", in Proc. ECOC'98, Madrid, Spain,Sept. 1998, pp. 81- 85.

F. Callegati, M. Casoni, C. Raffaelli and B. Bostica, "Packet optical networks for high-speed TCP-IP backbones", IEEE Commun. Mag., vol. 37, pp. 124-129, Jan. 1999 .

F. Callegati, M. Casoni, G. Corazza and C. Raffaelli, "Architecture and performance of a broadcast and select photonic switch", Opt. Fiber Technol., vol. 4, pp. 266-284, 1998.

D. K. Hunter, et al. "WASPNET: A wavelength switched packet network", IEEE Commun. Mag., vol. 37, pp. 120-129, Mar. 1999 .

R. Ramaswami and K. N. Sivarjan, Optical Networks, San Mateo, CA: Morgan Kaufmann, 1998.

I. Chlamtac, A. Farago and T. Zang, "Lightpath routing in large WDM networks", IEEE J. Select. Areas Commun., vol. 14, pp. 909-913, June 1996 .

B. Mukherjee, D. Banerjee, S. Ramamurthy and A. Mukherjee, "Some principles for designing a wide-area WDM optical network", IEEE/ACM Trans. Networking, vol. 4, pp. 684-696, Oct. 1996.

P. Gambini, et al. "Transparent optical packet switching: Network architecture and demonstrators in the KEOPS project", IEEE J. Select. Areas Commun., vol. 16, pp. 1245-1259, Sept. 1998 .

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