Authentication header figure 6 shows the authentication header ah. Wireless communication tutorial in pdf tutorialspoint. Lecture 57 important of updates for information security windows and linux security by nptel iit by knowledge tree. Computer networks nptel online videos, courses iit. All the five units are covered in the mobile computing notes pdf. Gate preparation, nptel video lecture dvd, computerscienceandengineering, mobile computing, wirelessmacissues, mobile computing, wireless networking, networking.
Computer science and engineering computer networks nptel. Overview of mobile ip ll need of mobile ip explained with. It is sometimes referred to as cyber security or it security, though these terms. Security mechanism a mechanism that is designed to detect, prevent or recover from a security attack. Security service a service that enhances the security of the data processing systems and the. Wattenhofer 16 application scenarios vehicles nomadic user smart mobile phone invisible computing wearable computing intelligent house or office meeting roomconference taxipolicefire squad fleet. Network layer is responsible for routing packets to the proper location. Computer and network security by avi kak lecture20. Learn for free, pay a small fee for exam and get a certificate. First we shall be talking about a protocol called secure socket layer or ssl. For unification global forum has decided that any future network, irrespective of its. Nptel, online courses and certification, learn for free. Mobile computing it6601 notes download anna university.
In the transport mode of ipsec, the ah header is inserted right after the ip header in both the ipv4 and the ipv6 protocols. Components of mobile ip ll mobile node,home agent, foreign agent ll explained with example in hindi duration. Security attack any action that compromises the security of information owned by an organization. Electrical, electronics and communications engineering. Mobile ip is scalable for the internet because it is based on ipany media that can support ip can support mobile ip.
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