A link layer security protocol for Suburban Ad-Hoc Networks

Networks using wireless links are more vulnerable to various security threats than a wired network since wireless transmissions are prone to interception by anyone within the transmission range. Therefore participating entities should incorporate robust systems to withstand the attacks as rigorously as possible. In this paper we have presented a possible framework of a link level security protocol (LLSP) to be deployed in a Suburban Ad-hoc Network (SAHN [1][2][3][4][5][6]). LLSP provides authentication, integrity assurance and encryption for ensuring security at the data link layer. We have analysed various security aspects of LLSP to validate its effectiveness. To determine LLSP’s practicability, we have estimated the timing requirement for each authentication process. Our initial work indicate that LLSP can be a suitable link-level security service for an ad-hoc network similar to a SAHN.

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