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  • 1. A MAJOR PROJECT SYNOPSIS ON “IPv4 to IPv6 Transition Plan A case study of NIT Hamirpur Campus Network Submitted By NISHIL GUPTA (09541) MAYUR ARORA (09536) PRIYANKA MAHAJAN (09550) RAHUL KATARIYA (09552) Under the guidance of Dr. Mrs. KAMLESH DUTTA Department of Computer Science and Engineering National Institute of Technology, Hamirpur (H.P.) November, 2012
  • 2. Page 1 ABSTRACT After years of development and improvement, network based on IPv4 (Internet Protocol version 4) has proven to be a mature technology, easy to implement and has a good network protocol interoperability. One can say that it has achieved great success. However, with the rapid development of new Internet services and the emergence of new business, there are shortcomings in the current IPv4, such as the lack of address space, the rapid expansion of the routing table, the lack of mobile network quality of service and support for a range of issues. 32 bit IPv4 address i.e. up to 2 32 addresses can be divided into about 4.3 billion devices. By the end of 2012, there will be 6.2 billion of population so there is a need to migrate from this IPv4 version to IPv6. To meet the future growth in the Telecommunications and Internet space, National Institute of Technology, Hamirpur (HP) being a constituent of ministry of HRD, Department of Higher Education, Govt. of India is also required to implement IPv6 at NIT Hamirpur In this project, we present some mechanisms that have been implemented to ease this transition especially for IPv4 users that still want to communicate with their old applications. We have set up a test bench on an IPv4 to IPv6 tunneling and dual stack mechanism on CISCO routers and switches that transparently establish a hybrid communications between the two worlds in both ways and have some advantages over the other models. We also implement a mechanism to implement an ipv6 tunneling oven ipv4 network that will be efficient on a large scale. After doing the case study of NIT Hamirpur campus network, we also propose a migration plan of the campus network from IPv4 to IPv6.
  • 3. Page 2 INTRODUCTION In the early 1990s it became apparent that the 32-bit address size of the IPv4 protocol would be too small in the long run, so the Internet Engineering Task Force (IETF) started work on an updated version of IP with larger addresses, IPv6. Unfortunately, the resulting protocol is not backward compatible with IPv4, so there is a need for tools to allow the transition from IPv4 to IPv6 and the coexistence of the two protocols The purpose of the project is to study the existing transition techniques that are used for communication between two network having different internet protocols IPv4 and IPv6 and then create a test bench having the best techniques implemented on the various network devices. We have studied the three techniques used for IPV4 to IPv6 transition tunneling, dual stack and NAT PT. We have created a small test bench consisting of three CISCO 2800 routers with one router working on IPv4 and other two on dual stack, two CATALYST switches both on dual stack and two end hosts. After studying all the tunneling methods, we have implemented IPV4 to IPv6 tunnel to establish the end to end communications between the two end hosts. We have also mentioned a tunneling technique called IPv6 over IPv4 for the bigger networks. After doing the case study of NIT Hamirpur network, we have examined the necessary changes needed to migrate NIT-Hamirpur network from IPv4 to IPv6.
  • 4. Page 3 OBJECTIVES The project has the following objectives:  To study the router and switch configurations.  To study about the various IPv4 to IPv6 transition mechanisms.  To create a test bench having IPv4 and IPv6 network and to establish a communication between the two networks.  To study the network of NIT-Hamirpur and propose the modification needed to migrate the network to IPv6. Figure. Test Bench showing IPv4 to IPv6 transitions, internet security lab CSED Lab, NIT Hamirpur
  • 5. Page 4 REFERENCES 1. EOI , Shortlisting of IPv6 consultants for Government Organizations, www.dot.gov.in 2. Minutes of Oversight Committee Meeting for IPv6 Policy Implementation, held on 28th April 2011, F. No. 2-5/2011, NT, Government of India, Ministry of Communications & IT, Department of Telecommunications, Networks and Technologies Cell, Dated 3rd May, 2011, Minutes of Meeting Sub:. 3. IPv6 Standing Committee Meeting, 2-5/2010, NT Government of India, Ministry of Communications & IT, Department of Telecommunications, Networks and Technologies Cell, Dated: 5th July, 2011 4. The Policy Document “National IPv6 Deployment Roadmap" 20th July 2010 5. Deploying Internet Protocol Version 6 (IPv6) Over Internet Protocol Version 4 (IPv4) Tunnel