Summary
International Conference on Emerging Technologies for Communications
2020
Session Number:D1
Session:
Number:D1-2
A repetitive router-switching scheme for achieving a metabolic router
Yuta MIYAOKA, Yu TAMURA, Junichi MURAYAMA,
pp.-
Publication Date:2020/12/2
Online ISSN:2188-5079
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Summary:
Recently, targeted attacks on information servers have become a major threat. This attack uses a malicious software called malware. In the near future, similar attacks on network routers will also become a severe threat. Against such attacks, removing undetectable malware programs is an important issue. As one of such solutions, we have been studying metabolic router architecture. In this architecture, virtual routers are created periodically within a physical router. This newly created virtual router replaces an active virtual router one after another. The infected malware program is removed together with the replaced router. For achieving this architecture, router switching without packet forwarding interruption is an important issue. As the conventional solution, the First Hop Redundancy Protocol (FHRP) can instantaneously replace the low priority router with the high priority router. However, repetition of this replacement causes priority saturation and finally it will stop. In order to solve this problem, we have modified this router switching scheme so as to dynamically lower the priority of the active router. As a result, the revised scheme achieves a malware-free non-stop router.