SafeGuard: safe forwarding during route changes

@inproceedings{Li2009SafeGuardSF,
  title={SafeGuard: safe forwarding during route changes},
  author={Ang Li and Xiaowei Yang and David Wetherall},
  booktitle={CoNEXT},
  year={2009}
}
This paper presents the design and evaluation of SafeGuard, an intra-domain routing system that can safely forward packets to their destinations even when routes are changing. SafeGuard is based on the simple idea that packets carry a destination address plus a local estimate of the remaining path cost. We show that this simple design enables routers to detect path inconsistencies during route changes and resolve on a working path for anticipated failure and restoration scenarios. This in turn… CONTINUE READING
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