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Routing Security in Wireless Ad Hoc Networks

Routing Security in Wireless Ad Hoc Networks. Chris Zingraf , Charisse Scott, Eileen Hindmon. Mobile ad hoc Network. Collection of wireless mobile nodes Communicate without network infrastructure o r centralized administration Offers unrestricted mobility and connectivity

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Routing Security in Wireless Ad Hoc Networks

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  1. Routing Security in Wireless Ad Hoc Networks Chris Zingraf, Charisse Scott, Eileen Hindmon

  2. Mobile ad hoc Network • Collection of wireless mobile nodes • Communicate without network infrastructure • or centralized administration • Offers unrestricted mobility and connectivity • Each node acts as host and router • Out-of-range nodes are routed through intermediate nodes

  3. Wireless MANET • Security with Network • open medium • dynamic topology • distributed cooperation • constrained capability • Routing Security • “black hole” attack

  4. “black hole” Attack Black hole attacks work by tricking other nodes in the network about their routing information.

  5. Proposed Solutions • She, Yi, Wang, Yang – July 2013 • Each node only monitors the next hop • Packet forwarded—good node! • Too many packets “dropped”— bad node!

  6. Proposed Solutions • High collision rates can make it hard to “overhear” packet forwarding – false positives! • Algorithm adapts a “threshold” to fix this • Problem: threshold lowers under high network load → lower detection • rate → susceptible to DDoS? • How to maintain detection rate, even at high network load?

  7. Our Solution • Another (unimplemented) solution: “Optimal Path” • Discard the first and select the second shortest path • Difficult for a black hole to determine how to make itself “second-best” • By itself, would slow down network • Perhaps as a rollover?

  8. ns-2 Network Simulator • Ns is a discrete event simulator targeted at networking research. • Ns provides substantial support for simulation of TCP, routing, and multicast protocols over wired and wireless (local and satellite) networks. http://nsnam.isi.edu/nsnam/index.php/User_Information

  9. References • http://nsnam.isi.edu/nsnam/index.php/User_Information • http://www.csee.umbc.edu/~wenjia1/699_report.pdf • http://web.mst.edu/~bckd2/CpE349/project/routing%20security%20in%20wireless%20adhoc.pdf • http://www.cs.fsu.edu/~levan/papers/Security%20Issues%20of%20Mobile%20Ad%20hoc%20Networks%20(SPRINGER05).pdf • https://www.cs.tcd.ie/hitesh.tewari/papers/netsec00_manet_sec.pdf • http://en.wikipedia.org/wiki/Mobile_ad_hoc_network

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