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IPv4-IPv6 Transition - Case Study
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IPv4-IPv6 Transition - Case Study

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IPv4 addresses are 32 bits which limits the addresses space to 2^32 addresses. With the growing demand of internet connected devices there is a need of bigger address space. IPv6 provides 128 bit …

IPv4 addresses are 32 bits which limits the addresses space to 2^32 addresses. With the growing demand of internet connected devices there is a need of bigger address space. IPv6 provides 128 bit addressing mechanism. As IPv4 address space is exhausting, IPv6 migration becomes imminent. IPv4 to IPv6 migration is not an easy task considering the complexity of the internet. This solution to transition IPv4 to IPv6 is yet to be discovered and the immediate solution is interoperability between existing IPv4 and upcoming IPv6 networks.

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  • 1. Xavient Information Systems Great Ideas … Simple Solutions Ideas to Solutions A Xavient Case Study IPv4 IPv6 Transitioning for a leading Cable/ISP in the US Company Background A leading entertainment, information and communications products and services provider in US. Client Requirements IPv4 addresses are 32 bits which limits the addresses space to 2^32 addresses. With the growing demand of internet connected devices there is a need of bigger address space. IPv6 provides 128 bit addressing mechanism. As IPv4 address space is exhausting, IPv6 migration becomes imminent. IPv4 to IPv6 migration is not an easy task considering the complexity of the internet. This solution to transition IPv4 to IPv6 is yet to be discovered and the immediate solution is interoperability between existing IPv4 and upcoming IPv6 networks. The problems which have been encountered:  Absence of seamless and transparent connectivity between incompatible and disjoint IPv4 aware applications across external IPv6 network.  Legacy applications unable to communicate on newer IPv6 Network.  Often there are DoS (denial of service) attacks on IPv6 routers, and even legitimate traffic generates excessive load on endpoint routers.  Incompatibility with l2tp implementations with various independent software vendors.  Incompatibility with PPP with some telecom equipment. Xavient Solution We aimed to achieve seamless end to end connectivity between customer premise equipment ( router) to ISP routers and achieved measurable improvement in reduction to Average Ping Latency Time through better implementation of transport algorithms. The solution was provided while giving consideration to the following scenarios:  Customer (IPv4 ) to ISP's IPv4 network though a IPv6 intermediate network using IPv4 over IPv6 tunneling.  Customer (IPv6) to ISP IPv6 network using tunneling over IPv4 intermediate network. IPv4-IPv6 Transition
  • 2. Ideas to Solutions A Xavient Case Study The above diagram depicts how Xavient developed the required solution on both client and server end. Benefits  Transparent and seamless communication between newer IPv6 and Legacy applications  Increased rating on the American Consumer Satisfaction Index  Increased satisfaction from end users  Legacy applications need not be rewritten and they continue to function normally without any changes  No need of investment on newer routers and only firmware was modified  Reduction in round-trip packet transport latency within tunnel by optimizing code  Easy web interface based management of device to make configuration changes   Headquartered in Simi Valley, CA, Xavient Information Systems (XIS) is a leading provider of global IT and engineering services and solutions. Since its inception in 2002, Xavient has grown to be a tier-one IT Professional Services and Solutions provider for telecommunication, broadcasting, manufacturing, retail, and healthcare companies.  It is the preferred transformation partner across product and vendor evaluation; business process re-engineering; outsourcing and off-shoring; product implementation; custom solution development and IT professional services for several Fortune 1000 companies.  Xavient leverages its proven expertise in Global Delivery Models with centers of excellence in Application Development, QA & Testing, Managed IT Infrastructure services and IT Application & Production environment. About Xavient Corporate Location CALIFORNIA 2125, Suite. B, Madera Rd Simi Valley, CA 93065 Main Line: 1.805.955.4111 Fax Line: 1.805.955.4144 Our Locations GEORGIA 2 Ravinia Drive Suite 500 Atlanta, GA 30346 Main Line: 1.678.801.9966 COLORADO 9800, Mount Pyramid Court Suite 400 Englewood, CO 80112 Main Line: 1.303.900.0700 WASHINGTON 800, Bellevue Way NE Suite 400 Bellevue, WA 98004 Main Line: 1.425.442.6629 NOIDA 54, NSEZ, Phase II Noida – 201305, U.P. (India) Main Line: 91.120.4743000, 91.120.4532000 Fax No: 91.120.4240948 CANADA 2 Robert Speck Parkway Suite 750, Mississauga ON L4Z 1H8 Phone: 1.905.361.9816

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