publication . Article . 2013

what is the performance price of content integrity verification in LRU caching?

Giuseppe Bianchi; Alberto Caponi;
  • Published: 02 Jul 2013 Journal: ACM SIGCOMM Computer Communication Review, volume 43, pages 59-67 (issn: 0146-4833, Copyright policy)
  • Publisher: Association for Computing Machinery (ACM)
In some network and application scenarios, it is useful to cache content in network nodes on the fly, at line rate. Resilience of in-network caches can be improved by guaranteeing that all content therein stored is valid. Digital signatures could be indeed used to verify content integrity and provenance. However, their operation may be much slower than the line rate, thus limiting caching of cryptographically verified objects to a small subset of the forwarded ones. How this affects caching performance? To answer such a question, we devise a simple analytical approach which permits to assess performance of an LRU caching strategy storing a randomly sampled subse...
free text keywords: Computer Networks and Communications, Software
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