Usage-based DHCP lease time optimization

Manas Khadilkar, Nick Feamster, Matt Sanders, Russ Clark

Research output: Chapter in Book/Report/Conference proceedingConference contribution

26 Scopus citations


The Dynamic Host Configuration Protocol (DHCP) is used to dynamically allocate address space to hosts on a local area network. Despite its widespread usage, few studies exist on DHCP usage patterns, and even less is known about the importance of setting the lease time (the time that a client retains ownership over some IP address) to an appropriate value. Lease time can greatly affect the tradeoff between address space utilization and the number of both renewal messages and client session expirations. In this paper, using a DHCP trace for 5 weekdays from the Georgia Tech campus network, we present the largest known study of DHCP utilization. We also explore how various strategies for setting lease times can dramatically reduce the number of renewals and expirations without prohibitively increasing address space utilization.

Original languageEnglish (US)
Title of host publicationIMC'07
Subtitle of host publicationProceedings of the 2007 ACM SIGCOMM Internet Measurement Conference
Number of pages6
StatePublished - 2007
EventIMC'07: 2007 7th ACM SIGCOMM Internet Measurement Conference - San Diego, CA, United States
Duration: Oct 24 2007Oct 26 2007

Publication series

NameProceedings of the ACM SIGCOMM Internet Measurement Conference, IMC


OtherIMC'07: 2007 7th ACM SIGCOMM Internet Measurement Conference
Country/TerritoryUnited States
CitySan Diego, CA

All Science Journal Classification (ASJC) codes

  • General Engineering


  • DHCP
  • Network management
  • Optimization
  • Usage


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