A Delay-Oriented Prioritization Policy Based on Cooperative Lossless Buffering in PTN Domains

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• 作者：Francisco-Javier Rodríguez-Pérez…
• 关键词：MPLS ; TP ; Congestion ; RSVP ; TE ; Guarantee of service ; Local retransmissions
• 刊名：Journal of Network and Systems Management
• 出版年：2015
• 出版时间：October 2015
• 年：2015
• 卷：23
• 期：4
• 页码：1016-1033
• 全文大小：839 KB
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  17.Rodríguez-Pérez, F.J., González-Sánchez, J.L., Gazo-Cervero, Alfonso. RSVP-TE Extensions to Provide Guarantee of Service to MPLS. 6th IFIP Networking. pp. 808-19 (2007)
  
• 作者单位：Francisco-Javier Rodríguez-Pérez (1)
  José-Luis González-Sánchez (2)
  David Cortés-Polo (2)
  Javier Carmona-Murillo (1)
  
  1. University of Extremadura, Escuela Politécnica. Avda. Universidad s/n, 10003, Cáceres, Spain
  2. Research, Technological Innovation and Supercomputing Center of Extremadura (CenitS), Carretera N-521, km. 41,8, 10071, Cáceres, Spain
  
• 刊物类别：Computer Science
• 刊物主题：Computer Communication Networks
  Computer Systems Organization and Communication Networks
  Communications Engineering and Networks
  Information Systems and Communication Service
  Operation Research and Decision Theory
  
• 出版者：Springer New York
• ISSN：1573-7705

文摘

New kinds of services and data flows, such as cloud computing, server virtualization, or quality of service (QoS)-aware Internet services, have led to higher demands on network resources. Thus, they have also led to increased bandwidth consumption and unexpected congestion, especially in backbones. In this article a novel proposal is studied, with the aim of improving the performance of delay-sensitive flows. The congestion impact on those QoS-aware flows that require a high level of reliability and delay is analyzed. This management proposal has been implemented on multiprotocol label switching transport profile (MPLS-TP), which is a packet transport networks technology that provides QoS by means of flow differentiation in Internet backbones. In order to improve performance in congested networks, a guarantee of service is proposed. It allows local recovery of lost traffic of MPLS-TP privileged flows, and in order to fulfill the requirements for implementation on MPLS-TP, a minimum set of extensions to RSVP-TE has also been proposed to provide self-management capable routes. Finally, in this paper we have carried out a performance improvement measurement by means of an analytical model and simulations. Keywords MPLS-TP Congestion RSVP-TE Guarantee of service Local retransmissions