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Survivability and reliability of a composite-star transport network with disconnected core switches

Published: 01 January 2011 Publication History

Abstract

This paper deals with the design and dimensioning of a novel survivable optical network structure, called Petaweb, that can reach a total capacity of several Pb/s (1015 bit/s). The Petaweb has a composite-star architecture that allows two-hop connections between edge nodes through disconnected core nodes. Prior studies of the same authors have tackled the optimization of a Petaweb network architecture with regular and quasi-regular topologies. In this paper, reliability and survivability issues are addressed by introducing a dedicated path protection strategy into the design model. We present by extensive numerical results the reliability and survivability properties of the Petaweb core architecture with respect to single fiber link, core node, or switching plane failure and to switching site disconnection.

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Published In

cover image Telecommunications Systems
Telecommunications Systems  Volume 46, Issue 1
January 2011
92 pages

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Kluwer Academic Publishers

United States

Publication History

Published: 01 January 2011

Author Tags

  1. Composite star network
  2. Dedicated path protection
  3. Petaweb
  4. Reliability
  5. Survivability
  6. TDM/WDM

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  • (2015)Quantification of system survivabilityTelecommunications Systems10.1007/s11235-015-9988-660:4(451-470)Online publication date: 1-Dec-2015
  • (2015)Availability of 1-for-2 shared protection systems with general repair-time distributionsTelecommunications Systems10.1007/s11235-014-9863-x58:1(3-16)Online publication date: 1-Jan-2015
  • (2015)A fault tolerant channel allocation scheme in distributed cloud networksCluster Computing10.1007/s10586-015-0487-z18:4(1423-1433)Online publication date: 1-Dec-2015
  • (2014)Novel ring-based WDM-PON architecture with high-reliable remote nodesTelecommunications Systems10.1007/s11235-013-9857-057:4(327-335)Online publication date: 1-Dec-2014
  • (2014)Inflection points for network reliabilityTelecommunications Systems10.1007/s11235-013-9820-056:1(79-84)Online publication date: 1-May-2014
  • (2013)Sleep mode operation for IEEE 802.16e UGS based WiMAXTelecommunications Systems10.1007/s11235-013-9685-253:1(123-129)Online publication date: 1-May-2013

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