Abstract
The IPv6 Mobility protocol, an archetypal system for supporting communication amongst mobile devices, presents challenging verification problems. While model-checking techniques have been used to illustrate subtle oversights and flaws in the informal specifications previously, the more difficult question — whether it is possible to verify the correctness of the core architecture by checking properties on a small model — has not been adequately examined. In this paper we present a novel technique combining ideas from verification of parameterised systems, abstraction, model-checking of temporal logic properties and simulation relations found in process algebras. The technique relies on the fact that the system can be considered to eventually stabilise to a form more amenable to techniques used for model-checking parameterised systems, allowing the checking of arbitrary LTL properties.
This research was supported in part by NSF grant CNS-1228697.
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Notes
- 1.
IP only promises a best effort at datagram delivery; there are the usual reasons for non-delivery of messages: node failure, link failure, noisy traffic, inadequate buffer space at congested nodes, etc. The question thus is whether mobility adduces any additional reasons for non-deliverability of messages.
- 2.
In fact, some of the published works incorrectly claim that messages do not traverse cycles.
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Zuck, L.D., Prasad, S. (2015). Limited Mobility, Eventual Stability. In: Piterman, N. (eds) Hardware and Software: Verification and Testing. HVC 2015. Lecture Notes in Computer Science(), vol 9434. Springer, Cham. https://doi.org/10.1007/978-3-319-26287-1_9
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