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Optical networks with hybrid routing
2003
IEEE Journal on Selected Areas in Communications
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In this paper, we propose a hybrid wavelength and subwavelength routing scheme that can preserve the benefits of optical bypass for large traffic flows at the same time provide multiplexing gain for small ...
But all-optical switching has the limitations of coarse granularity, lack of multiplexing gain, and scarcity of wavelength resources, which do not mesh well with Internet traffic that has many small and ...
The first part of our work deals with traffic grooming in mesh optical networks under static traffic condition, but it is different from [13] in that we consider arbitrary bandwidth traffic flows rather ...
doi:10.1109/jsac.2003.815841
fatcat:rmggabebjncsvdlhlqnqi7hxdy
Dynamic traffic grooming: the changing role of traffic grooming
2007
IEEE Communications Surveys and Tutorials
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[32] Blocking probability in single-hop traffic grooming mesh networks. [33] Blocking probability in multi-hop traffic grooming mesh networks. ...
Xin et al. study the blocking performance analysis problem on traffic grooming in single hop mesh networks using such an uncorrelated model [32] . ...
doi:10.1109/comst.2007.358970
fatcat:svejo53v5rfkvkvqjhiogporzy
Impact of node clustering on network cost and resource utilization
2012
2012 16th International Conference on Optical Network Design and Modelling (ONDM)
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In this work we benchmark through appropriate performance metrics the legacy Optical Circuit Switching (OCS) mode in an optical network of nodes following a mesh topology interconnection vs. a clustered ...
are frequently observed in today's networks, while the hierarchical clustered architecture with dynamic reservations can exploit statistical multiplexing efficient grooming traffic at appropriate granularity ...
ACKNOWLEDGMENT Work carried out with the support of STRONGEST, an Integrated Project funded by European Commission 7th ICT-Framework Program and specifically of our Telecom Italia colleagues, Marco Quagliotti ...
doi:10.1109/ondm.2012.6210202
dblp:conf/ondm/OrphanoudakisDS12
fatcat:6toresgklzbdrgk5ufc5huz4di
A Heuristic Approach for Multicast Traffic Grooming in Optical WDM Mesh Networks
2013
International Journal of Computer Network and Information Security
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In this work, multicast traffic grooming problem is addressed to maximize the bandwidth utilization for a set of sessions in an optical WDM mesh topology. ...
Abstra -Traffic grooming is being considered as a key functionality of WDM networks, in which, multiple low speed traffic requests are groomed into a single high capacity wavelength channel. ...
CONCLUSION In this work, we address the problem of grooming for multicast traffic in optical WDM mesh network. ...
doi:10.5815/ijcnis.2014.01.06
fatcat:whkcv4mzfvh6dcvfakyqoljxly
Grooming multicast traffic in unidirectional SONET/WDM rings
2007
IEEE Journal on Selected Areas in Communications
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In this paper we study the problem of efficient grooming of given non-uniform multicast traffic demands on a unidirectional SONET/WDM ring. ...
The goal is to try to minimize the network cost as given by (i) the number of wavelengths required per fiber and (ii) the number of electronic Add-Drop Multiplexers (ADMs) required on the ring. ...
Although multicast traffic grooming in mesh WDM networks is a general case of the same problem in WDM rings, the ideas that are applied for mesh networks in [13] [19] are not very attractive for unidirectional ...
doi:10.1109/jsac-ocn.2007.025806
fatcat:xs25kin46ncz7i6ognnzjepkii
G+: Enhanced Traffic Grooming in WDM Mesh Networks using Lighttours
2007
IEEE Journal on Selected Areas in Communications
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Index Terms-Wavelength division multiplexing (WDM), lighttours, traffic grooming, lightpath, mesh network, integer linear program (ILP), photonic switching systems, optical transport network (OTN), photonic ...
The ability to groom more traffic in the middle of a lighttour is achieved with the support of a simple optical device named λ-monitor (previously introduced in the RingO project). ...
Kurzweg, Drexel University, for his comments and insights related to physical optics. ...
doi:10.1109/jsac.2007.070615
fatcat:lp6rqzzq45hhhedvp2o5yo75va
Multicast traffic grooming in wavelength-routed WDM mesh networks using dynamically changing light-trees
2005
Journal of Lightwave Technology
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In this paper, we address the online multicast traffic grooming problem in wavelength-routed wavelength division multiplexing (WDM) mesh networks with sparse grooming capability. ...
For the purpose of comparison, we also implement a lightpath-based grooming algorithm by putting a constraint on the optical-splitting capability of the nodes. ...
Recently, there has been some work on unicast traffic grooming in WDM mesh networks. ...
doi:10.1109/jlt.2005.856244
fatcat:yhjxyue7xrfvfkion5entvyew4
Guest editorial high-performance optical switches/routers for high-speed internet
2003
IEEE Journal on Selected Areas in Communications
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It includes optical ring metropolitan networks (MAN) and meshed wide-area network (WAN) connected by optical packet routers (OPR). ...
In the paper "Performance Analyses of Optical Burst Switching Networks," Rosberg et al. provides a scalable framework for analysis and performance evaluation of OBS networks. ...
He has been doing research in the areas of terabit switches/routers, quality-of-service (QoS) control, optical networking, and network security. ...
doi:10.1109/jsac.2003.815677
fatcat:7riqcjx5i5aihmqh6zxmpc3cny
Framework for waveband switching in multigranular optical networks: part I-multigranular cross-connect architectures [Invited]
2006
Journal of Optical Networking
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We also outline how traffic grooming of subwavelength traffic can be done in WBS networks. In part II of this study rCao et aI., submitted to J. Opt. ...
Optical networks using wavelength-division multiplexing (WDM) are the foremost solution to the ever-increasing traffic in the Internet backbone. ...
Cao is supported in part by NSF CNS-0546151, V. Anand is supported in part by the Scholarly Incentive Award at SUNY Brockport, and C. Qiao is supported in part by NSF 0312563. ...
doi:10.1364/jon.5.001043
fatcat:2y2ck7z2sffn5kwit26x66ly3e
Grooming of Multicast Sessions in Sparse Splitting WDM Mesh Networks using Virtual Source Based Trees
2006
2006 International Conference on Systems and Networks Communications (ICSNC'06)
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We, in this paper, address the problem of routing and wavelength assignment of multicast sessions with subwavelength traffic demands in sparse splitting WDM networks. ...
Cost effective grooming of several sessions with fractional wavelength bandwidth onto a single wavelength has become prominent in WDM networks. ...
VSGroom heuristic Since unicast traffic grooming for mesh networks in NP-complete [2] and as unicast is a special case of multicast with one node in the destination set, the traffic grooming problem ...
doi:10.1109/icsnc.2006.42
dblp:conf/icsnc/SreenathPN06
fatcat:o4beibit55eencwuvdlgiebtvm
Scalability and power consumption of static optical core networks
2012
2012 IEEE Global Communications Conference (GLOBECOM)
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The results show that the concept of a static optically transparent core network promises high energy efficiency, and scalability to several tens of nodes. ...
A large amount of traffic in core networks is highly aggregated and core nodes are interconnected by high-capacity links. ...
optical bypass together with efficient grooming strategies [5] . ...
doi:10.1109/glocom.2012.6503651
dblp:conf/globecom/AleksicHP12
fatcat:oouibu3x6vaojbo7c2j3nifowi
On-Line Routing in WDM–TDM Switched Optical Mesh Networks
2006
Photonic network communications
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This paper considers the on-line traffic grooming problem in WDM-TDM switched optical mesh networks without wavelength conversion capability. ...
In this paper, we present an on-line traffic grooming algorithm for the concerned problem. ...
The node architecture for subwavelength demand traffic grooming in such a WDM-TDM switched mesh network is shown in Fig. 2 . ...
doi:10.1007/s11107-005-7356-2
fatcat:vaikcixtp5az5nh6ydd6amsuym
Guest editorial WDM-based network architectures
2002
IEEE Journal on Selected Areas in Communications
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The second paper, by Zhu and Mukherjee, investigates traffic grooming and routing and wavelength assignment (RWA) in a WDM mesh network. ...
Grooming the subwavelength traffic onto wavelengths is one of the areas of great importance for both the carriers that deploy intelligent network elements and the equipment vendors that develop such elements ...
doi:10.1109/jsac.2002.974657
fatcat:43whkjnfe5dkbngvdbopgej4km
On-Line Routing in WDM-TDM Switched Optical Mesh Networks
2005
Sixth International Conference on Parallel and Distributed Computing Applications and Technologies (PDCAT'05)
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This paper considers the on-line traffic grooming problem in WDM-TDM switched optical mesh networks without wavelength conversion capability. ...
In this paper, we present an on-line traffic grooming algorithm for the concerned problem. ...
The node architecture for subwavelength demand traffic grooming in such a WDM-TDM switched mesh network is shown in Fig. 2 . ...
doi:10.1109/pdcat.2005.176
dblp:conf/pdcat/VishwanathL05
fatcat:h25jnryycbhxhjj62qng5ssque
Design and Provisioning of WDM Networks With Many-to-Many Traffic Grooming
2010
IEEE/ACM Transactions on Networking
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In this paper, we address the problem of designing and provisioning of WDM networks to support many-to-many traffic grooming. ...
Based on different WDM node architectures, we propose four different WDM networks for many-to-many traffic grooming. ...
groom each of the subwavelength many-to-many traffic demands on these optical channels, and 3) The route and the wavelength to assign to each of the optical channels on the WDM network. ...
doi:10.1109/tnet.2010.2051234
fatcat:fho7tvuh65gabel765pmecxoze
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