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An optical UNI architecture for the GIGA project testbed network

Rafael Pasquini, Fabio L. Verdi, Luiz Gustavo Zuliani, Mauricio Magalhaes, Sandro Rossi
2006 2006 International Telecommunications Symposium  
In the context of this Project, our research group has been working in the design of a IP/WDM Control Plane to integrate the IP/MPLS Client Network with the Optical Transport Network (WDM), according to  ...  The main interests of the GIGA Project are the deployment of Optical Network Technology, Network Services and Applications, Experimental Telecommunication Services and Scientific Applications.  ...  ACKNOWLEDGMENTS We would like to thank FAPESP and FINEP/Funttel through GIGA Project for their financial support.  ... 
doi:10.1109/its.2006.4433285 fatcat:p2qms3bejjekvmlwswuztfokte

Advances in the management and control of optical Internet

J.Y. Wei
2002 IEEE Journal on Selected Areas in Communications  
We outline and discuss several management and control issues and corresponding approaches related to the configuration, fault, and performance management of IP over dynamic WDM networks.  ...  In this paper, we enumerate some of the key architectural, management and control issues and discuss corresponding approaches and advances made toward addressing these issues.  ...  A promising initial approach to integrated IP/WDM fault localization was reported in [32] . 2) Fault Recovery and Network Survivability: The primary objective of network fault recovery is to maintain  ... 
doi:10.1109/jsac.2002.1003043 fatcat:6amaqbphwzbdxn6zsogqnlhlje

A Survey on the Path Computation Element (PCE) Architecture

Francesco Paolucci, Filippo Cugini, Alessio Giorgetti, Nicola Sambo, Piero Castoldi
2013 IEEE Communications Surveys and Tutorials  
Quality of Service-enabled applications and services rely on Traffic Engineering-based (TE) Label Switched Paths (LSP) established in core networks and controlled by the GMPLS control plane.  ...  In this work, packet (i.e., MPLS-TE and MPLS-TP) and wavelength/spectrum (i.e., WSON and SSON) switching capabilities are the considered technological platforms, in which the PCE is shown to achieve a  ...  In [77] a recovery module is added to the PCE, that acts as manager of the whole set of recovery processes (i.e., fault notification, segment path restoration, signaling triggering) in order to reduce  ... 
doi:10.1109/surv.2013.011413.00087 fatcat:ncgex62e2vhyvcnbxpjjr3bynq

A Survey of Fast-Recovery Mechanisms in Packet-Switched Networks

Marco Chiesa, Andrzej Kamisinski, Jacek Rak, Gabor Retvari, Stefan Schmid
2021 IEEE Communications Surveys and Tutorials  
We examine the evolution of fast-recovery standards and mechanisms over time, and identify and discuss the fundamental principles and algorithms underlying different mechanisms.  ...  traditional link-layer and IP-based mechanisms, over BGP and MPLS to emerging software-defined networks and programmable data planes.  ...  ACKNOWLEDGMENT The authors would like to thank Thomas Holterbach, James Kempf, Michael Menth, Daniel Merling, Ankit Singla, and Laurent Vanbever for their insightful comments received on the paper draft  ... 
doi:10.1109/comst.2021.3063980 fatcat:t6z3ph7d6vhvjerxhgx2kh762u

A roadmap for traffic engineering in SDN-OpenFlow networks

Ian F. Akyildiz, Ahyoung Lee, Pu Wang, Min Luo, Wu Chou
2014 Computer Networks  
Early TE issues and mechanisms based on ATM, IP and MPLS networks are given in Section 2. An overview of SDN traffic engineering solutions is provided in Section 3.  ...  Therefore we first briefly discuss the classical TE mechanisms developed for ATM, IP and MPLS networks, and then survey in detail the state-of-the-art in TE for SDN from both academia and industry perspectives  ...  Acknowledgment The authors would like to thank Caterina Scoglio, Mehmet Can Vuran, Eylem Ekici, and Xudong Wang, for their valuable comments and suggestions to improve the quality of the paper.  ... 
doi:10.1016/j.comnet.2014.06.002 fatcat:krslqjw5prbbhnsvplmnez3omi

Evaluation of Fast ReRoute Mechanisms in Broadband Networks

Abdulbaset Taher Hassan, Université D'Ottawa / University Of Ottawa, Université D'Ottawa / University Of Ottawa
We also study, implement and evaluate the performance of two FRR mechanisms in IP/MPLS core networks.  ...  We evaluate the two techniques through experimentation. For this purpose a testbed, consisting of Juniper and Nortel equipments, is established.  ...  Experimental Comparison of Fault Notification and LSP Recovery Mechanisms in MPLS Operational testbeds The authors in [ALB05] compare some recovery strategies in MPLS-TE by conducting experiments in  ... 
doi:10.20381/ruor-19474 fatcat:33chws6dgjfrteu7fbwhnyyr5a

Software Defined Optical Networks (SDONs): A Comprehensive Survey

Akhilesh S. Thyagaturu, Anu Mercian, Michael P. McGarry, Martin Reisslein, Wolfgang Kellerer
2016 IEEE Communications Surveys and Tutorials  
SDN facilitates the virtualization of network functions so that multiple virtual networks can operate over a given installed physical network infrastructure.  ...  In this article, we comprehensively survey studies that examine the SDN paradigm in optical networks; in brief, we survey the area of Software Defined Optical Networks (SDONs).  ...  Experimental verification of failure recovery mechanism resulted in recovery times on the order of sub-seconds for MPLS restorations and several seconds for optical WSON restorations. b) Resource Utilization  ... 
doi:10.1109/comst.2016.2586999 fatcat:4fipcjo4tvfjtgndokfr7n7lse

Traffic Management [chapter]

Gunnar Karlsson, James Roberts, Ioannis Stavrakakis, Antonio Alves, Stefano Avallone, Fernando Boavida, Salvatore D'Antonio, Marcello Esposito, Viktoria Fodor, Mauro Gargiulo, Jarmo Harju, Yevgeni Koucheryavy (+10 others)
2003 Lecture Notes in Computer Science  
Quality of service in network communication is mainly assured by traffic management consisting in a variety of protocols and mechanisms whose role is to prevent the network from being congested.  ...  This chapter provides samples of the state of the art in traffic management.  ...  Section 8.3 describes the experimental testbed, while Section 8.4 shows the results obtained from experimentations and draws a comparison among the four different scenarios.  ... 
doi:10.1007/978-3-540-45190-7_2 fatcat:nvkof4byofh5dhqm36i52bnjha

Fast failure recovery in MPLS networks

Qingsheng Luo
In this thesis, we present the design of a fast recovery mechanism in MPLS networks, implemented over the Linux platform.  ...  We investigate its performance over our testing network composed of Linux routers. Our experiments show that our recovery mechanism responds to network faults quickly, with less packet loss.  ...  The recovery mechanism is evaluated by experimentally testing its performance with selected end-to-end protocols and applications.  ... 
doi:10.14288/1.0051708 fatcat:dgssa6volngv5lku3ueeyjhcyu

Evolution of the internet QoS and support for soft real-time applications

M.A. El-Gendy, A. Bose, K.G. Shin
2003 Proceedings of the IEEE  
In this paper, we review several mechanisms and frameworks proposed to provide network-and application-level quality of service (QoS) in the next-generation Internet.  ...  We also examine several operational and research issues that need to be resolved before such frameworks can be put in practice.  ...  The QBone Testbed Recently, an experimental testbed called QBone [38] has been set up as part of Internet2 to study issues related to deployment and implementation of the DiffServ framework.  ... 
doi:10.1109/jproc.2003.814615 fatcat:hs2tuirgz5gcfd2aztyasou4aq


Itrat Quadri, Mohammad Al-Ohali
2004 unpublished
efficient and fast notification of faults in the MPLS network.  ...  It must be realized that shortest paths are not necessarily the optimal paths. [31] introduced partial and full ingress failure recovery mechanisms in MPLS networks.  ... 

A Survey on Software Defined Networking: Architecture for Next Generation Network

Sanjeev Singh, Rakesh Kumar Jha
2016 Journal of Network and Systems Management  
The paper covers historical evolution in relation to SDN, functional architecture of the SDN and its related technologies, and OpenFlow standards/protocols, including the basic concept of interfacing of  ...  of huge internet traffic and helps infrastructure and service providers to customize their resources dynamically.  ...  The architecture of MPLS comprise of data plane for forwarding packets and control plane for Label-Switch path (LSP) establishment i.e., unidirectional packets flow from beginning to end.  ... 
doi:10.1007/s10922-016-9393-9 fatcat:5jceeirsebe6tlggqlz3y6hws4

Service Provider DevOps network capabilities and tools [article]

Rebecca Steinert, Wolfgang John, Pontus Sköldström, Bertrand Pechenot, András Gulyás, István Pelle, Tamás Lévai, Felicián Németh, Juhoon Kim, Catalin Meirosu, Xuejun Cai, Chunyan Fu (+11 others)
2015 arXiv   pre-print
The concept is further exemplified in a case study for deployment and scaling of an Elastic Firewall.  ...  The tools and support functions are described in detail together with their architectural mapping, giving a wider understanding of the SP-DevOps concept as a whole, and how SP-DevOps tools can be used  ...  tools, for certain LSPs . 56 Deliverable D4.2 30.06.2015 notifications should be sent, and what the notification should be, could depend on the role of the originator of the MEASURE code.  ... 
arXiv:1510.02818v2 fatcat:3ldre26zznhzpmq5dboz374hbi

Final Service Provider DevOps concept and evaluation [article]

Guido Marchetto, Riccardo Sisto, Wolfgang John, Pontus Sköldström, Bertrand Pechenot, Felicián Németh, István Pelle, Juhoon Kim, Xuejun Cai, Chunyan Fu, Catalin Meirosu, Kostas Pentikousis, Sachin Sharma (+8 others)
2016 arXiv   pre-print
The set of tools proposed supports ops and devs across all stages, with a focus on the deployment, operation and debugging phases, and allows to activate automated processes for operating NFV environments  ...  Our assessment shows that SP-DevOps can help providers to reach a medium level of DevOps maturity and allows significant reduction in OPEX.  ...  of out our tool and extensive experimental study.  ... 
arXiv:1610.02387v2 fatcat:clybp24zwzgijdo5db7tvksuaa

A Service-Oriented Grid Environment with On-demand QoS Support

Gerhard Engelbrecht, Siegfried Benkner
2009 2009 Congress on Services - I  
An experimental evaluation demonstrates the capabilities and rational behavior of the QoS infrastructure.  ...  in an automated way and subject to user-defined QoS constraints.  ...  It supports establishing MPLS 20 label switched paths (LSPs), which consider network constraints such as available bandwidth and explicit hops.  ... 
doi:10.1109/services-i.2009.84 dblp:conf/services/EngelbrechtB09 fatcat:2cnv5tsjsnax5nngtkyexziike
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