Security Aspect in Multipath Routing Protocols

Security Aspect in Multipath Routing Protocols

Prasanta K. Manohari, Niranjan K. Ray
Copyright: © 2015 |Pages: 21
DOI: 10.4018/978-1-4666-8687-8.ch004
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In the absence of central authority, dynamic topology, limited bandwidth and the different types of vulnerabilities secured data transmission is more challenging in Mobile Ad hoc Network (MANET). A node in MANET acts as a host as well as a router. Routing is problematic due to node mobility and limited battery power of node. Security mechanisms are required to support secured data communication. It also requires mechanism to protect against malicious attacks. In recent times multipath routing mechanisms are preferred to overcome the limitation of the single path routing. Security in routing dealt with authentication, availability, secure linking, secure data transmission, and secure packet forwarding. In this chapter, we discuss different security requirements, challenges, and attacks in MANETs. We also discuss a few secured single path and multipath routing schemes.
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2. Background And Preliminaries

Secured linking, secured data transmission and packet forwarding are major security areas in MANETs. Identification and privacy are two basic security requirements in MANET routing. MANETs have several security requirements such as: authentication, confidentiality, integrity, availability, and non-repudiation. There is also numerous challenges due to dynamic topology, wireless links, scalability, memory and computational power limitation, and limited resources. In the presence of these challenges security is more challenging. In this section we briefly discuss a few security challenges in MANETs.

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