In 1991, the [[IAB|Internet Architecture Board]] (IAB) recommended the need for additional address flexibility. Based on this recommendation, the [[Internet Engineering Task Force]] formed the Routing and Addressing (Road) Group to examine the consumption of address space and the exponential growth in inter-domain routing entries.<ref>[http://www.potaroo.net/papers/2002-10-ipv6/IPv6.pdf IP Version 6 Geoff Huston]</ref> The Road Group enumerated three possible serious problems, which include:<ref>[http://www.rfc-archive.org/getrfc.php?rfc=1519 RFC Archive]</ref>Exhaustion of the class B network address space, Growth of routing tables in Internet routers beyond the ability of current software, hardware, and people to effectively manage it, and eventual exhaustion of the 32-bit IP address space. It also recommended immediate and long term solutions which include the adoption of CIDR route aggregation proposal, reducing the growth rate of routing table and called for proposals "to form working groups to explore separate approaches for bigger Internet addresses."<ref>[http://datatracker.ietf.org/doc/rfc1752/?include_text=1 RFC 1752]</ref> | In 1991, the [[IAB|Internet Architecture Board]] (IAB) recommended the need for additional address flexibility. Based on this recommendation, the [[Internet Engineering Task Force]] formed the Routing and Addressing (Road) Group to examine the consumption of address space and the exponential growth in inter-domain routing entries.<ref>[http://www.potaroo.net/papers/2002-10-ipv6/IPv6.pdf IP Version 6 Geoff Huston]</ref> The Road Group enumerated three possible serious problems, which include:<ref>[http://www.rfc-archive.org/getrfc.php?rfc=1519 RFC Archive]</ref>Exhaustion of the class B network address space, Growth of routing tables in Internet routers beyond the ability of current software, hardware, and people to effectively manage it, and eventual exhaustion of the 32-bit IP address space. It also recommended immediate and long term solutions which include the adoption of CIDR route aggregation proposal, reducing the growth rate of routing table and called for proposals "to form working groups to explore separate approaches for bigger Internet addresses."<ref>[http://datatracker.ietf.org/doc/rfc1752/?include_text=1 RFC 1752]</ref> |