Meny

Javascript is not activated in your browser. This website needs javascript activated to work properly.
Du är här

Path diversity protection in two-layer networks

Författare:
Publiceringsår: 2009
Språk: Engelska
Sidor: 14-19
Publikation/Tidskrift/Serie: Journal of Telecommunications and Information Technology
Nummer: 3
Dokumenttyp: Artikel

Sammanfattning

The paper addresses an optimization problem related to dimensioning links in a resilient two-layer network. A particular version of the problem which assumes that links of the upper layer are supported by unique paths in the lower layer is considered. Two mixed-integer programming formulations of this problem are presented and discussed. Direct resolving of these formulations requirespre-selection of “good” candidate paths in the upper layer of the network. Thus, the paper presents an alternative approach which is based on decomposing the resolution process into two phases, resolved iteratively. The first phase subproblem is related to designing lower layer path flows that provide the capacities for the logical links of the upper layer. The second phase is related to designing the flow patterns in the upper layer with protection assured through diversity of paths. In this phase we take into account the failures of the logical links that result from the failures of the lower layer links (so called shared risk link groups).

Disputation

Nyckelord

  • Technology and Engineering

Övriga

Published
Yes
  • Networking
  • ISSN: 1509-4553

Box 117, 221 00 LUND
Telefon 046-222 00 00 (växel)
Telefax 046-222 47 20
lu [at] lu [dot] se

Fakturaadress: Box 188, 221 00 LUND
Organisationsnummer: 202100-3211
Om webbplatsen