<style> .p {padding-bottom:6px} </style> <h1 align="center">Call for Papers: Convergence </h1> <div class="p"> <h3 align="center"><b>Guest Editors:</b><br/> Thomas E. Darcie, <i>University of Victoria</i><br/> Robert Doverspike, <i>AT&T</i><br/> Martin Zirngibl, <i>Lucent Technologies</i> </h3> <h3 align="center"><b>Coordinating Associate Editor:</b><br/> Steven K. Korotky, <i>Lucent Technologies</i> </h3> </div> <h4 align="center">Submission Deadline: 1 July 2005</h4> <div class="p"> The <a href="http://www.osa-jon.org">Journal of Optical Networking</a> (JON) invites submissions to a special issue on Convergence. </div> <div class="p"> Convergence has become a popular theme in telecommunications, one that has broad implications across all segments of the industry. Continual evolution of technology and applications continues to erase lines between traditionally separate lines of business, with dramatic consequences for vendors, service providers, and consumers. Spectacular advances in all layers of optical networking-leading to abundant, dynamic, cost-effective, and reliable wide-area and local-area connections-have been essential drivers of this evolution. As services and networks continue to evolve towards some notion of convergence, the continued role of optical networks must be explored. </div> <div class="p"> One vision of convergence renders all information in a common packet (especially IP) format. This vision is driven by the proliferation of data services. For example, time-division multiplexed (TDM) voice becomes VoIP. Analog cable-television signals become MPEG bits streamed to digital set-top boxes. T1 or OC-N private lines migrate to Ethernet virtual private networks (VPNs). All these packets coexist peacefully within a single packet-routing methodology built on an optical transport layer that combines the flexibility and cost of data networks with telecom-grade reliability. While this vision is appealing in its simplicity and shared widely, specifics of implementation raise many challenges and differences of opinion. For example, many seek to expand the role of Ethernet in these transport networks, while massive efforts are underway to make traditional TDM networks more data friendly within an evolved but backward-compatible SDH/SONET (synchronous digital hierarchy and synchronous optical network) multiplexing hierarchy. </div> <div class="p"> From this common underlying theme follow many specific instantiations. Examples include the convergence at the physical, logical, and operational levels of voice and data, video and data, private-line and virtual private-line, fixed and mobile, and local and long-haul services. These trends have many consequences for consumers, vendors, and carriers. Faced with large volumes of low-margin data traffic mixed with traditional voice services, the need for capital conservation and operational efficiency drives carriers away from today's separate overlay networks for each service and towards "converged" platforms. For example, cable operators require transport of multiple services over both hybrid fiber coax (HFC) and DWDM transport technologies. Local carriers seek an economical architecture to deliver integrated services on optically enabled broadband-access networks. Services over wireless-access networks must coexist with those from wired networks. In each case, convergence of networks and services inspires an important set of questions and challenges, driven by the need for low cost, operational efficiency, service performance requirements, and optical transport technology options. </div> <div class="p"> This Feature Issue explores the various interpretations and implications of network convergence pertinent to optical networking. How does convergence affect the evolution of optical transport-layer and control approaches? Are the implied directions consistent with research vision for optical networks? Substantial challenges remain. Papers are solicited across the broad spectrum of interests. These include, but are not limited to: <ul> <li> Architecture, design and performance of optical wide-area-network (WAN), metro, and access networks</li> <li> Integration strategies for multiservice transport platforms</li> <li> Access methods that bridge traditional and emerging services</li> <li> Network signaling and control methodologies</li> <li> All-optical packet routing and switching techniques</li> </ul> </div> <div class="p"> <h2>Manuscript Submission</h2> To submit to this special issue, follow the normal procedure for submission to JON, indicating "Convergence feature" in the "Comments" field of the online submission form. For all other questions relating to this feature issue, please send an e-mail to jon@osa.org, subject line "Convergence." </div> <div class="p"> Additional information can be found on the JON website: <br/><a href="http://www.osa-jon.org/submission/">http://www.osa-jon.org/submission/</a>. </div> <div class="p"> <br/><br/> <b>Submission Deadline: 1 July 2005</b> </div> <div class="p"> </div>

© 2005 Optical Society of America


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  1. T. E. Darcie, R. Doverspike, M. Zirngibl, and S. K. Korotky, "Convergence," J. Opt. Netw. 4, 97-98 (2005), <a href=" http://www.osa-jon.org/abstract.cfm?URI=JON-4-2-97">http://www.osa-jon.org/abstract.cfm?URI=JON-4-2-97</a>.

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