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Uniform multi-hop all-to-all optical routings in rings

Jaroslav Opatrny
2003 Theoretical Computer Science  
of all-to-all routing in a WDM optical ring, j ¿ 2.  ...  Since 1-hop, all-to-all optical routing in a WDM optical ring of n nodes needs 1 2 n 2 =4 wavelengths (see E cient can be too large even for moderate values of n, we consider in this paper j-hop implementations  ...  Uniform j-hop, j¿3, all-to-all routing in C n We can obtain results for uniform j-hop, j¿3, all-to-all problem in a ring using the techniques introduced in the previous section.  ... 
doi:10.1016/s0304-3975(02)00649-7 fatcat:7ch66vezhnfszpum26aw5c5kty

Page 3292 of Mathematical Reviews Vol. , Issue 2004d [page]

2004 Mathematical Reviews  
Since 1-hop all-to-all optical routing ina WDM optical ring of n nodes needs [4|n?/4|| wavelengths [see J.-C.  ...  the method is applicable to any logN stage MIN since it is independent of network topology.” 2004d:68009 68M10 68M12 Opatrny, Jaroslav (3-CONC-C; Montreal, QC) Uniform multi-hop all-to-all optical routings  ... 

Multi-hop scheduling algorithms in switches with reconfiguration latency

V. Alaria, A. Bianco, P. Giaccone, E. Leonardi, F. Neri
2006 2006 Workshop on High Performance Switching and Routing  
The multi-hop approach, i.e., sending packets to the final destination port exploiting transmission to intermediate ports, was shown to be a promising way to control the tradeoff between delay and throughput  ...  Optical switching fabrics (OSF) are receiving increasing attention in the design of high speed packet switches, due to their excellent properties in terms of available bandwidth and reduced power consumption  ...  Indeed, the goal of the virtual interconnection topology and routing strategy design is to minimize the amount of packets sent in multi-hop fashion.  ... 
doi:10.1109/hpsr.2006.1709702 fatcat:lbvdlsglbnad5beg4znxwnncf4

Design of switches with reconfiguration latency

Valentina Alaria, Andrea Bianco, Paolo Giaccone, Emilio Leonardi, Fabio Neri
2006 2006 IEEE International Conference on Communications  
When scheduling the transmission of packets across an OSF, the multi-hop approach was shown to be a promising way to control the tradeoff between delay and throughput.  ...  Optical switching fabrics (OSF) are considered to be appealing solutions for the design of high speed packet switches, due to their excellent scalability in terms of bandwidth and power consumption.  ...  Indeed, the goal of the virtual interconnection topology and routing strategy design is to minimize the amount of packets sent in multi-hop fashion.  ... 
doi:10.1109/icc.2006.255171 dblp:conf/icc/AlariaBGLN06 fatcat:sprdwsmnpngxra73c5klkqynru

A general approach for all-to-all routing in multihop WDM optical networks

Weifa Liang, Xiaojun Shen
2006 IEEE/ACM Transactions on Networking  
In this paper we propose a generic method for all-to-all routing in multi-hop WDM networks, which aims to minimize the number of wavelengths.  ...  All-to-all routing is a fundamental routing problem in such networks and has been well studied on single hop WDM networks.  ...  ACKNOWLEDGMENT The authors would like to thank the anonymous referees for their comments and suggestions which have helped improve the quality and presentation of the paper, and L. Weaver and Y.  ... 
doi:10.1109/tnet.2006.879697 fatcat:6pkjqlpllzbajp6pasvjznpjey

Firefly

Yan Pan, Prabhat Kumar, John Kim, Gokhan Memik, Yu Zhang, Alok Choudhary
2009 SIGARCH Computer Architecture News  
Our evaluations show that Firefly improves the performance by up to 57% compared to an all-electrical concentrated mesh (CMESH) topology on adversarial traffic patterns and up to 54% compared to an all-optical  ...  Recent advances in silicon nanophotonics create new opportunities for on-chip networks.  ...  We would also like to thank all the anonymous referees for their detailed comments. This work was done while John Kim was affiliated with Northwestern University.  ... 
doi:10.1145/1555815.1555808 fatcat:nnirhoeokncxfizrvmp7m4ibxy

Firefly

Yan Pan, Prabhat Kumar, John Kim, Gokhan Memik, Yu Zhang, Alok Choudhary
2009 Proceedings of the 36th annual international symposium on Computer architecture - ISCA '09  
Our evaluations show that Firefly improves the performance by up to 57% compared to an all-electrical concentrated mesh (CMESH) topology on adversarial traffic patterns and up to 54% compared to an all-optical  ...  Recent advances in silicon nanophotonics create new opportunities for on-chip networks.  ...  We would also like to thank all the anonymous referees for their detailed comments. This work was done while John Kim was affiliated with Northwestern University.  ... 
doi:10.1145/1555754.1555808 dblp:conf/isca/PanKKMZC09 fatcat:doyxwwguuba4bmidrvlvr7ax74

Survivable Routing in WDM Weighted Networks

Debasis Mandal, Satyajit Nath, Bivas Mitra
2007 2007 2nd International Conference on Communication Systems Software and Middleware  
utilization, number of multi-hops, Buffer size etc.  ...  This is called survivable routing. It is known to be an NP-complete problem.  ...  Datta, NERIST who introduced them to the problems of WDM Networks.  ... 
doi:10.1109/comswa.2007.382442 dblp:conf/comsware/MandalNM07 fatcat:nnwax4wp75ej3otmklfwatbroe

Distributed discovery of wavelength paths in multiservice WDM networks [chapter]

Gerald Franzl, Admela Jukan
2002 IFIP Advances in Information and Communication Technology  
This work proposes a distributed method for wavelength channel provisioning in multi-service WDM networks, where subject to constraints on wavelength routing such as transmission quality or resource availability  ...  The numerical examples and simulation study of multi-service wavelength-routed networks under dynarnic traffic conditions have shown the applicability of our methods for the optical network services yet  ...  In order to demonstrate the handling of non-uniform NE-properties in multi-constrained routing four wavelengths are assumed, with which the wavelength-dependent properties related to the network elements  ... 
doi:10.1007/978-0-387-35491-0_27 fatcat:hmqjhhbdzrglbehym3sol272t4

An Optimization Algorithm to Build Low Congestion Multi-Ring Topology for Optical Network-on-Chip

Lijing ZHU, Kun WANG, Duan ZHOU, Liangkai LIU, Huaxi GU
2018 IEICE transactions on information and systems  
In this paper, we proposed an algorithm to build a low congestion multi-ring architecture for optical network-on-chip without additional wavelength or scheduling overhead.  ...  An algorithm is developed to optimize the low congestion multi-ring topology.  ...  Multi-Ring Interface Overhead In this section, we evaluate the optical switches of multi-ring with other popular optical switches.  ... 
doi:10.1587/transinf.2017edp7330 fatcat:57ujbqrfjrdh3hhkdcb4kzn3qa

Converter placement in all-optical networks using genetic algorithms

C. Vijayanand, M. Shiva Kumar, K.R. Venugopal, P. Sreenivasa Kumar
2000 Computer Communications  
We study the effect of uniform placement at higher loads and suggest that when used with reservation in the routing algorithm, converters ensure fairness to all nodes.  ...  We also observe that uniform placement of converters can be adopted in ring networks at low offered loads.  ...  Introduction All-optical networks consist of access stations interconnected by a network of optical ®bers and routing nodes/ switches.  ... 
doi:10.1016/s0140-3664(00)00196-1 fatcat:nchkgv2dbngyfei3kpsdx4l54q

Hierarchical Logical Topology in WDM Ring Networks with Limited ADMs [chapter]

Tomoya Kitani, Nobuo Funabiki, Hirozumi Yamaguchi, Teruo Higashino
2008 Lecture Notes in Computer Science  
This paper presents a method for constructing logical topology in multi-hop WDM networks hierarchically.  ...  This contributes to mitigate traffic costs in WDM networks. Furthermore, we propose a node labeling scheme to achieve efficient routing without routing table lookup.  ...  We also propose a multi-hop routing method over this logical network. This topology is configured by clustering adjacent nodes in a similar way to HCRN and Arora's method.  ... 
doi:10.1007/978-3-540-79549-0_28 fatcat:45hmbvjijvd7nhfey7kf4gpa3m

Multiwavelength optical networks with limited wavelength conversion

R. Ramaswami, G. Sasaki
1998 IEEE/ACM Transactions on Networking  
Each lightpath follows a route in a network and must be assigned a channel on each link along the route.  ...  Ring networks with fixed wavelength conversion capability within the nodes are proposed that can support all lightpath sets with load max at most W 0 1; where W is the number of wavelengths in each link  ...  Gerstel and the reviewers for their insightful and constructive comments that lead to improvements in the paper.  ... 
doi:10.1109/90.748086 fatcat:w6snhg7ravhftcar7inxhbo3ki

Blocking in All-Optical Networks

A. Sridharan, K.N. Sivarajan
2004 IEEE/ACM Transactions on Networking  
We also extend one of our models to take into account alternate routing, in the form of Fixed Alternate Routing and Least Loaded Routing.  ...  Through numerous experiments we show that our models can be used to obtain fast and accurate estimates of blocking probabilities in all-optical networks and scale well with the path length and capacity  ...  Routes were constructed using minimum hop routing and number 18 in the 6-node ring, 72 in the 12-node ring, 73 in the mesh network, and 76 routes in the ARPA-2 network.  ... 
doi:10.1109/tnet.2004.826251 fatcat:gusm3i7rv5g2fkk7xikcsbynzi

Power efficient photonic networks for many-core architectures

Brian Neel, Randy Morris, Dominic Ditomaso, Avinash Kodi
2012 2012 International Green Computing Conference (IGCC)  
Continuous technology scaling will enable future many-core architectures to interconnect hundreds and even thousands of cores within multi-chip modules.  ...  Micro-ring resonators are low-power, highbandwidth switching devices that can be arranged to function as a high-radix router with reduced complexity and power.  ...  In terms of power, all SPRINT configurations outperform the mesh and cmesh networks due to the large number of hops from source to destination for the other two networks.  ... 
doi:10.1109/igcc.2012.6322279 dblp:conf/green/NeelMDK12 fatcat:x7iclntlbncthb652jgnyoqp2i
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