Placement of network resources in communication networks

Ran Giladi, Ephraim Korach, Rony Ohayon

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Data communication and telecommunication networks consist of nodes, links and network resources. Many studies have dealt with the design of optimal network topologies. In current methodologies, every node presents the same constraints and behavior, however, in reality, the network resources vary. The research problem at stake here is how to add central network resources (i.e., servers, gateways, network managers, probes, mainframes, etc.) in an optimal way. For small networks or for a small number of resources, it is feasible to solve the problem by checking all the possibilities of locating the resources and choosing the optimal location. However, this method cannot be applied for large networks, where a great many of resources are located. In such cases, we confront a difficult optimization problem that is classified as NPcomplete. In this study we deal with optimal and heuristics techniques in order to solve this kind of problem.

Original languageEnglish
Pages (from-to)195-209
Number of pages15
JournalComputer Networks
Issue number2
StatePublished - 7 Oct 2003
Externally publishedYes

Bibliographical note

Funding Information:
This research was partially supported by the Paul Ivanier Center for Robotics Research & Production Management, Ben-Gurion University of the Negev.


  • Complexity
  • Delay
  • Simulated annealing
  • Topology
  • Traffic


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