IPv6 Transition

  • Modified by networks on 20.11.2017


    The Internet today has become a global network serving billions of users worldwide and this has happened because of the wide acceptability of the Internet Protocol (IP). The current version of the Internet Protocol is IPv4 which is more than three decades old protocol having many limitations. The biggest limitation is its 32-bit addressing space resulting in 4.3 billion IP addresses. The rapid growth of Internet, broadband, mobile subscribers and deployment of NGN technology has led to accelerated consumption of IP addresses, and this has resulted in almost exhaustion of IPv4 addresses worldwide.

    To overcome this problem of shortage, Internet Protocol version 6 (IPv6) was developed, which improves on the addressing capacities of IPv4 by using 128 bits address instead of 32 bits, thereby practically making available an almost infinite pool of IP addresses. Further, IPv6 has various enhancements over IPv4. It is pertinent to add here that IPv6 will provide enabling platform for Internet of Things (IoT)/M2M Communications.


    India IPv6 Task Force

    IPv6 Eco-system

    General Information

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