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Title: Challenges Security Aspects and Solutions for Migrating from IPv4 to IPv6
Researcher: Shah, Junaid Latief
Guide(s): Javed Parvez
Keywords: Internet Protocol, IPv6, IPv4, Migration Techniques
Security Issues
University: University of Kashmir
Completed Date: 2015
Abstract: Internet Protocol (IP) is the ubiquitous internetworking protocol that drives the internet and world business communication channel today. The protocol permits millions of users to communicate and share information over the World Wide Web. Originally conceived in 1974 by Vinton G Cerf and Robert E Kahn, Internet Protocol Version 4 (IPv4) which was developed almost three decades ago is the mostly pervasive protocol version in use today. However, with the expeditious and exponential growth of internet and increase in number of connected devices, we are facing a scenario where IPv4 addresses are potentially exhausted. The IPv4 extensions such as NAT, CIDR and Subnetting etc are merely limited short-term solutions. Moreover the scalability and security features that are required by the modern Internet can t be fulfilled by IPv4. The long term solution to these problems is a step-by-step, phased but complete migration to IPv6. While IPv4 address space can hold billions of addresses, IPv6, which is the next version of the protocol, has provided trillions of addresses which are potentially inexhaustible. Thus evolution of new version of protocol i.e. IPv6 seems to be a flawless replacement choice for IPv4. newlineHowever migration to IPv6 cannot be overnight due to prodigious installed network infrastructure base of IPv4.There needs to be seamless integration and co-existence between the two protocols for quite some time till migration process completes.IPv6 transition is not a transparent process for the layers above IP. Changing the protocol requires remodeling the existing data structures that have embedded IP addresses. Also API s supporting IPv4 need to be altered. In general legacy protocols like NAT, DHCP, ICMP and PPP which were written keeping IPv4 in mind will also undergo change. This change will harbor security vulnerabilities also. Thus to support IPv6, the existing protocols should either be modified or re-oriented. These changes are significant to internet because not only the software......
Appears in Departments:Department of Computer Science

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01_title.pdfAttached File416.41 kBAdobe PDFView/Open
02_certificate.pdf146.85 kBAdobe PDFView/Open
03_declaration.pdf146.11 kBAdobe PDFView/Open
04_acknowledgement.pdf126.5 kBAdobe PDFView/Open
05_abstract.pdf147.8 kBAdobe PDFView/Open
06_contents.pdf108.08 kBAdobe PDFView/Open
07_chapter 1.pdf163.61 kBAdobe PDFView/Open
08_chapter 2.pdf350.91 kBAdobe PDFView/Open
09_chapter 3.pdf561.55 kBAdobe PDFView/Open
10_chapter 4.pdf731.15 kBAdobe PDFView/Open
11_chapter 5.pdf486.46 kBAdobe PDFView/Open
12_chapter 6.pdf529.32 kBAdobe PDFView/Open
13_conclusion.pdf149.29 kBAdobe PDFView/Open
14_list_of_figures.pdf87.07 kBAdobe PDFView/Open
15_list_of_tables.pdf83.32 kBAdobe PDFView/Open
16_list_of_acronyms.pdf85.17 kBAdobe PDFView/Open
17_publications.pdf160.18 kBAdobe PDFView/Open
18_references.pdf207.8 kBAdobe PDFView/Open

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