Enhanced Networked Server Management with Random Remote Backups

Research output: Contribution to journalConference articlepeer-review

4 Citations (Scopus)


In this paper, the model is focused on available server management in network environments. The (remote) backup servers are hooked up by VPN (Virtual Private Network) and replace broken main severs immediately. A virtual private network (VPN) is a way to use a public network infrastructure and hooks up long-distance servers within a single network infrastructure. The servers can be represent as "machines" and then the system deals with main unreliable and random auxiliary spare (remote backup) machines. When the system performs a mandatory routine maintenance, auxiliary machines are being used for backups during idle periods. Unlike other existing models, the availability of auxiliary machines is changed for each activation in this enhanced model. Analytically tractable results are obtained by using several mathematical techniques and the results are demonstrated in the framework of optimized networked server allocation problems.

Original languageEnglish
Pages (from-to)106-114
Number of pages9
JournalProceedings of SPIE - The International Society for Optical Engineering
Publication statusPublished - 2003
Externally publishedYes
EventPerformance and Control of Next-Generation Communications Networks - Orlando, FL, United States
Duration: 9 Sept 200310 Sept 2003


  • Availability
  • Closed queues
  • Duality
  • Infrastructure
  • Server allocation
  • Stochastic management
  • Stochastic optimization


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