Abstract

The reemergence of metropolitan area networks (MANs) is being stimulated by the continued growth of the Internet. Here we introduce the likely role that optical burst switching (OBS) will play in the development of 10-Gbit Ethernet (10GbE) metropolitan networks. Although the synchronous optical network (SONET) is being proposed to provide wide-area connectivity for 10GbE MANs, its synchronous time-division multiplexing (TDM) nature renders it inefficient for data-centric connections. OBS, however, provides a better sharing of network resources and when coupled with generalized multiprotocol label switching (GMPLS) provides a robust and more efficient transport for Ethernet services.

© 2002 Optical Society of America

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IEEE J. Sel. Areas. Commun. (1)

M. Yoo, C. Qiao, and S. Dixit, “QoS performance of optical burst switching in IP-over-WDM networks,” IEEE J. Sel. Areas. Commun. Special Issue on Protocols for Next Generation Optical Networks 18, 2062–2071 (2000).

J. High Speed Netw. (1)

C. Qiao and M. Yoo, “Optical burst switching (OBS)—a new paradigm for an optical Internet,” J. High Speed Netw. 8, 69–84 (1999).

J. Lightwave Technol. (1)

Other (13)

M. Yoo, C. Qiao, and S. Dixit, “Optical burst switching for service differentiation in the next-generation optical internet,” IEEE Commun. Mag. (February 2001), pp. 98–104.

D. Haskin and R. Krishnan, “A method for setting an alternative label switched path to handle fast reroute,” work in progress, Internet Draft, draft-haskin-mplsfast- reroute-05.txt (Internet Engineering Task Force, November 2002), pp. 1–9, <a href=" http://www.netzmafia.de/rfc/internet-drafts/draft-haskin-mpls-fast-reroute-05.txt">http://www.netzmafia.de/rfc/internet-drafts/draft-haskin-mpls-fast-reroute-05.txt</a>.

C. Qiao and M. Yoo, “Choices, features and issues in optical burst switching (OBS),” Opt. Netw. Mag. (April 2000), pp. 36–44.

C. Qiao, “Labeled optical burst switching for IP-over-WDM integration,” IEEE Commun. Mag. (September 2000), pp. 104–114,

M. Yoo and C. Qiao, “Just-enough-time (JET): a high speed protocol for bursty traffic in optical networks,” in Digest of IEEE/LEOS Summer Topical Meetings on Technologies for a Global Information Infrastructure (Institute of Electrical and Electronics Engineers, New York, 1997), pp. 26–27.

P. Menezes, L. Anderson, A. Smith, P. Lin, J. Heinanen, G. Heron, R. Haberman, T. Soon, N. Slabakov, and L. Martini, “Virtual private LAN services over MPLS,” Internet Draft, draftlasserre- vkompella-ppvpn-vpls-01.txt (Internet Engineering Task Force, March 2002), pp. 1– 21, <a href="http://www.ietf.org/internet-drafts/draft-lasserre-vkompella-ppvpn-vpls-02.txt">http://www.ietf.org/internet-drafts/draft-lasserre-vkompella-ppvpn-vpls-01.txt</a>.

G. Heron, S. Vogelsang, C. Liljenstolpe, V. Radoaca, D. Tappan, K. Kompella, and A. Malis, “Encapsulation methods for transport of ethernet frames over IP and MPLS networks,” Internet Draft, draft-martini-ethernet-encap-mpls-00.txt (Internet Engineering Task Force, April 2002), pp. 1–9, <a href="http://www.ietf.org/internet-drafts/draft-martini-ethernet-encap-mpls-01.txt">http://www.ietf.org/internet-drafts/draft-martini-ethernet-encap-mpls-00.txt</a>.

N. Ghani, S. Dixit, and T.Wang, “On IP-over-WDM integration,” IEEE Commun. Mag. (March 2000), pp. 72–84.

P. Green, “Progress in Optical Networking,” IEEE Commun. Mag. (January 2001), pp. 54–61.

ITU-T Recommendation G.707, “Network node interface for the synchronous digital hierarchy” (International Telecommunication Union, March 2001), <a href="http://www.itu.int/ITU-T/">http://www.itu.int/ITU-T/.</a>

ITU-T Recommendation G.7041/Y.1303, “Generic framing procedure” (International Telecommunication Union, December 2001), <a href="http://www.itu.int/ITU-T/"> http://www.itu.int/ITU-T/.</a>

ITU-T Recommendation G.7042/Y.1305, “Link capacity adjustment scheme for virtual concatenated signals” (International Telecommunication Union, November 2001),<a href="http://www.itu.int/ITU-T/"> http://www.itu.int/ITU-T/.</a>

A. Jourdan, D. Chiaroni, and E. Dotaro, “The perspective of optical packet switching in IPdominant backbone and metropolitan networks,” IEEE Commun. Mag. (March 2001), pp. 136– 141.

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