Abstract

<p><a href="http://www.osa-jon.org/features/OE_2005.html">Feature Issue on Optical Ethernet (OE)</a></p> We propose what we believe to be a new optical resilient Ethernet ring (RER) architecture to allow the operation of Ethernet in ring topologies for efficient data transport in metropolitan area networks (MANs). Developed on the basis of standard Ethernet data-link switching technology, the proposed RER is simple and data efficient. Basic RER system design issues such as architecture, frame structure, frame forwarding mechanism, and self-learning process are described in detail. The ring topology simplifies the decision-making process for frame forwarding and also enables the network to recover from link or node failure rapidly, as in the case of synchronous optical networking (SONET)∕synchronous digital hierarchy (SDH) rings. Three different protection schemes are presented, and their performance differences are studied through simulations. The proposed RER is scalable to a large network size by interconnecting multiple rings with a modified transparent bridging technique. We present the first steps toward extending Gigabit Ethernets to MANs and focus on the medium access control (MAC) layer for such a system.

© 2005 Optical Society of America

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References

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Alcatel Telecommun. Rev. (1)

J. V. Bogaert, "E-MAN: Ethernet-based metropolitan area networks," Alcatel Telecommun. Rev., 1, 41-45 (2002).

GLOBECOM 1989 (1)

C. K. Kwok and B. Mukherjee, "On transparent bridging of CSMA/CD networks," Proceedings of IEEE GLOBECOM (IEEE, 1989), pp. 185-190.

Hitachi Review (1)

H. Fujita, K. Sakai, and T. Aoyama, "SONET fiber-optic transmission systems," Hitachi Review 44, 187-192 (1995).

IEEE Commun. Mag. (1)

F. Davik, M. Yilmaz, S. Gjessing, and N. Uzun, "IEEE 802.17 resilient packet ring tutorial," IEEE Commun. Mag. 42, 112-118 (2004).

IEEE Netw. (3)

P. Yuan, V. Gambiroza, and E. Knightly, "The IEEE 802.17 media access protocol for high-speed metropolitan-area resilient packet rings," IEEE Netw. 18, 8-15 (2004).

S. Spadaro, J. Sole-Pareta, D. Careglio, K. Wajda, and A. Szymanski, "Positioning of the RPR standard in contemporary operator environments," IEEE Netw. 18(2), 35-40 (2004).

F. Backes, "Transparent bridges for interconnection of IEEE 802 LANs," IEEE Netw. 2(1), 5-9 (1988).

Intl Conf on Communication systems (1)

Z. Lian, W. D. Zhong, S. K. Bose, and Y. Wang, "Resilient Ethernet ring for metropolitan area networks," in Proceedings of the International Conference on Communication Systems (ICCS), Singapore, Sept. 2004, pp. 316-320.

J. Internetworking Res. Experience (1)

M. Munafo, F. Neri, C. C. Scarpati, and A. Vasco, "Analysis of the spanning tree and source routing LAN interconnection schemes," J. Internetworking Res. Experience 5, 121-149 (1994).

Telecommun. (1)

A. P. Pillai, "Synchronous digital hierarchy (SDH)," Telecommun. 45, 61-71 (1995).

Other (12)

Resilient Packet Ring Alliance,<a href="hhttp://www.rpralliance.org">hhttp://www.rpralliance.org</a>.

ISO∕IEC 15802-3:1998 (IEEE Std 802.1D-1998), "Information technology--telecommunications and information exchange between systems--local and metropolitan area networks--common specifications. Part 3: media access control (MAC) bridges," Dec. 1998.

"Local and Metropolitan Area Networks--Common Specifications--Part 3: Media Access Control (MAC) Bridges--Amendment 2: Rapid Reconfiguration," amendment to IEEE Std 802.1D, 1998 ed., June 2001.

10 Gigabit Ethernet Alliance,<a href="http://www.10gea.org">http://www.10gea.org</a>.

IEEE 10 Gb∕s Ethernet Task Force,<a href="http://grouper.ieee.org/groups/802/3/ae/index.html">http://grouper.ieee.org/groups/802/3/ae/index.html</a>.

IEEE Rapid Spanning Tree Protocol,<a href="http://standards.ieee.org/getieee802/">http://standards.ieee.org/getieee802/</a>.

Cisco, "Understanding rapid spanning tree protocol (802.1w),"<a href="http://www.cisco.com/warp/public/473/146.pdf">http://www.cisco.com/warp/public/473/146.pdf</a>.

IEEE 802.17 Resilient Packet Ring Working Group, draft v. 1.1, Oct 2003,<a href="http://www.ieee802.org/17/">http://www.ieee802.org/17/</a>.

G. Held, Ethernet Networks [e-book]: Design, implementation, operation, management, 4th ed. (Wiley, 2003).

IEEE Standard 802.1, part D: MAC Bridges, in IEEE Project 802 Local and Metropolitan Area Network Standards.

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

ITU-T, "Recommendation G.784: synchronous digital hierarchy (SDH) management," June 1999,<a href="http://www.itu.int/ITU-T/">http://www.itu.int/ITU-T/</a>.

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