Filters








144 Hits in 5.0 sec

Dynamic provisioning of low-speed unicast/multicast traffic demands in mesh-based WDM optical networks

A. Khalil, A. Hadjiantonis, C.M. Assi, A. Shami, G. Ellinas, M.A. Ali
2006 Journal of Lightwave Technology  
Index Terms-Hybrid provisioning, multicast, traffic grooming, wavelength division multiplexing (WDM) networks.  ...  This paper addresses the problem of dynamically provisioning both low-speed 1 unicast and multicast connection requests in mesh-based wavelength division multiplexing (WDM) optical networks.  ...  In fact, IP multicasting can be used to support data multicasting in IP-over-WDM networks.  ... 
doi:10.1109/jlt.2005.861922 fatcat:ul2yfebwmvcg3gfxwk2sxjmb64

Comprehensive performance modeling and analysis of multicasting in optical networks

S. Sankaranarayanan, S. Subramaniam
2003 IEEE Journal on Selected Areas in Communications  
Multicasting is becoming increasingly important in today's networks. In optical networks, optical splitters facilitate the multicasting of optical signals.  ...  On the other hand, establishing several unicast connections (lightpaths) to satisfy a multicast request, while requiring more capacity, is less constrained in terms of wavelength assignment.  ...  ACKNOWLEDGMENT The authors would like to thank the anonymous reviewers for their comments that helped improve the paper.  ... 
doi:10.1109/jsac.2003.818229 fatcat:abzn5stjgrcxnlww45fxilau4m

A survey of multicasting protocols for broadcast-and-select single-hop networks

A.M. Hamad, A.E. Kamal
2002 IEEE Network  
Challenges in multicast support over local PSC-based lightwave WDM-networks The different approaches that have been proposed in the literature to schedule the multicast traffic in single -hop WDM networks  ...  for supporting multi-destination services on such networks.  ...  Realizing these benefits, researchers started to look for methods for supporting multicasting traffic in this topology.  ... 
doi:10.1109/mnet.2002.1020234 fatcat:y4jznzjwajhwbmwu3vh5rn6yk4

An Efficient Multicast Routing Technique Using Genetic Algorithm over WDM Mesh Networks

Subhendu Barat, Soumitra Ghosh, Tanushree Dutta, Tanmay De
2015 Journal of Advances in Computer Networks  
In this paper we have used Genetic Algorithm to find an efficient multicast route (tree) to establish a multicast connection in WDM mesh network.  ...  Multicast Communication over an optical fiber network is treated as a major problem in optical domain.  ...  A resource constrained multicasting is proposed in [10] using Genetic Algorithm.  ... 
doi:10.7763/jacn.2015.v3.142 fatcat:6c7p3yzm45bavacef2xg6gukai

Recent Advances in Complex Networks Theories with Applications

Hamid Reza Karimi, Wei Zhang, Xuebo Yang, Zhandong Yu
2014 The Scientific World Journal  
Also, the paper involves most of the recent advances about wavelength division multiplexing (WDM) multicasting in optical networks.  ...  "WDM network and multicasting protocol atrategies" by P. Kirci and A. H. Zaim studies a new multicasting protocol with optical burst switching (OBS).  ...  Acknowledgments We would like to express appreciation to the authors for their excellent contributions and patience in assisting us.  ... 
doi:10.1155/2014/504923 pmid:25152914 pmcid:PMC4134825 fatcat:pqny2b2h6ves3iqcglofqtexju

Toward a Power-Efficient Backbone Network: The State of Research

M. Nishan Dharmaweera, Rajendran Parthiban, Y. Ahmet Sekercioglu
2015 IEEE Communications Surveys and Tutorials  
Current literature suggests that the optical backbone network is responsible for the majority of the consumed power, particularly at high traffic loads.  ...  This highlights the importance of formulating solutions to reduce power consumption in backbone networks.  ...  Our survey also reviews novel and important concepts such as optical circuit/burst/packet-switched networks, hybrid networks, topology optimization techniques, waveband grooming, multicast grooming, spectrum  ... 
doi:10.1109/comst.2014.2344734 fatcat:bz4wlu5rfnbqhke4zitiyogud4

On multicasting in wavelength-routing mesh networks

Ashraf Hamad, Tao Wu, Ahmed E. Kamal, Arun K. Somani
2006 Computer Networks  
The paper discusses the challenges of multicast support in optical wavelength routing networks, and reports on the advances made so far in this venue.  ...  In particular, the following must be determined: • The link capacity, in terms of the number of fibers per link, 1 For the case of networks provisioned for multicasting.  ...  The topic of multicast service support in WDM-based networks has received significant interest in the last few years.  ... 
doi:10.1016/j.comnet.2005.12.012 fatcat:avkuytxxv5b67ae4v3ypzxmhke

Survey on Dependable IP over Fiber Networks [chapter]

Maciej Kurant, Hung X. Nguyen, Patrick Thiran
2006 Lecture Notes in Computer Science  
This paper gives a survey of the techniques for failure location, protection and restoration in IP over optical fiber networks.  ...  The second part of the paper describes the main strategies that ensure survivability in IP-over-fiber networks.  ...  Network support is the additional support needed by the loss link location algorithms in addition to the network topology. It is different for the five studied algorithms.  ... 
doi:10.1007/11808107_3 fatcat:q5fykc3dajhj7hgwcigjc3xrxi

Traffic grooming in WDM networks: past and future

R. Dutta, G.N. Rouskas
2002 IEEE Network  
Such techniques become increasingly important for emerging network technologies, including SONET/WDM rings and MPLS/MPλS backbones, for which traffic grooming is essential.  ...  Traffic grooming refers to techniques used to combine low-speed traffic streams onto highspeed wavelengths in order to minimize the networkwide cost in terms of line terminating equipment and/or electronic  ...  The corresponding massive increase in bandwidth due to WDM has heightened the need for faster switching at the core of the network.  ... 
doi:10.1109/mnet.2002.1081765 fatcat:malya4pzgvewznefcaaqtwgnya

BitTorrent Content Distribution in Optical Networks

Ahmed Q. Lawey, Taisir E. H. El-Gorashi, Jaafar M. H. Elmirghani
2014 Journal of Lightwave Technology  
We investigate two scenarios for the hybrid CDN-P2P architecture: the H-MinNPC model where the model minimises the IP/WDM network power consumption and the H-MinTPC model where the model minimises the  ...  networks considering a range of network topologies with different number of nodes and average hop counts.  ...  It should be noted however that unlike our work, [47] is not a BitTorrent network in that peer swarms are not formed (such swarms may constrain or support the peer performance according to situation)  ... 
doi:10.1109/jlt.2014.2351074 fatcat:55syoyv4tvggbav3d4yzwmbuke

An efficient optimization scheme for WDM/TDM PON network planning

Brigitte Jaumard, Rejaul Chowdhury
2013 Computer Communications  
While EPONs and GPONs have been the most studied passive optical access networks (PONs), WDM-PON is now clearly seen as the next generation trend with an hybrid set of switching equipment.  ...  We propose here an original optimization scheme for the deployment of greenfield PON networks where we minimize the overall deployment cost.  ...  Jaumard was supported by NSERC (Natural Sciences and Engineering Research Council of Canada) and by a Concordia University Research Chair (Tier I) on the Optimization of Communication Networks.  ... 
doi:10.1016/j.comcom.2012.10.009 fatcat:jrab75b4zreqnmnhgn7e5niimi

A Tutorial on Optical Networks [chapter]

George N. Rouskas, Harry G. Perros
2002 Lecture Notes in Computer Science  
In this half-day tutorial, we present the current state-of-theart in optical networks. We begin by discussing the various optical devices used in optical networks.  ...  Then, we present wavelength-routed networks, which is currently the dominant architecture for optical networks.  ...  The corresponding massive increase in network bandwidth due to WDM has heightened the need for faster switching at the core of the network.  ... 
doi:10.1007/3-540-36162-6_7 fatcat:uilx2camifao5el5ln7thwmc4q

Power-Cost-Effective Node Architecture for Light-Tree Routing in WDM Networks

G. M. Fernandez, D. Larrabeiti, C. Vazquez, P. C. Lallana
2008 IEEE GLOBECOM 2008 - 2008 IEEE Global Telecommunications Conference  
We present a novel cost-effective multicast capable optical cross connect (MC-OXC) node architecture which improves efficiency of optical power by constraining splitting to only two output ports, in order  ...  We compare it with other well known state-of-art proposals and analyze its benefits in terms of number of devices and power losses.  ...  ACKNOWLEDGMENT The work described in this paper was carried out with the support of the BONE-project ("Building the Future Optical Network in Europe"), a Network of Excellence funded by the European Commission  ... 
doi:10.1109/glocom.2008.ecp.521 dblp:conf/globecom/FernandezLVL08 fatcat:udijdxg255citfijpknkh63jey

Guest Editorial: Advances in Communication Networking

Mohammad S. Obaidat, Jose L. Marzo
2007 Computer Communications  
This special issue of the Computer Communications journal is dedicated to present state of the art research results in the advances in Communication Networking.  ...  In the dissemination of many types of  ...  Acknowledgments We thank all the authors and reviewers for their contributions and excellent efforts. Thanks also to the editorial assistants for their fine support.  ... 
doi:10.1016/j.comcom.2007.05.038 fatcat:a26l5qxkhzguvp2gf4r3gs4b5q

Graphene-enabled hybrid architectures for multiprocessors: Bridging nanophotonics and nanoscale wireless communication

Sergi Abadal, Albert Cabellos-Aparicio, Jose A. Lazaro, Eduard Alarcon, Josep Sole-Pareta
2012 2012 14th International Conference on Transparent Optical Networks (ICTON)  
The former for transferring heavy flows of data, the latter for supporting the control plane of the whole network, and carrying light data flows.  ...  In this paper, we do a first overview of the state-of-the-art in graphene and silicon nanophotonics, and its utilization for on-chip communication in multicore processors, to then propose a hybrid wireless  ...  In our wireless-photonic hybrid NoC (see Fig. 1 ), the wireless channel will deal with control and light flows of information, as a support of the main photonic channel.  ... 
doi:10.1109/icton.2012.6254490 fatcat:w5xcroaz6jg4tn4ynrifu23fyy
« Previous Showing results 1 — 15 out of 144 results