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Tutorial IPv6 Address Management

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The key to a successful hierarchical network structure is proper IP address management. If addresses are assigned appropriately, it is possible to summarize routing information. TIP Each area used by OSPF or integrated IS-IS should have a contiguous set of network or subnet numbers assigned to it. The area border routers should summarize that set of addresses with an address mask. Summarization provides substantial benefits for your network. | Tutorial - IPv6 Address Management Paul Wilson Director General, APNIC pwilson@apnic.net Tutorial Overview Introduction to IP Address Management Rationale for IPv6 IPv6 Addressing IPv6 Policies & Procedures References References: “The case for IPv6” http://www.6bone.net/misc/case-for-ipv6.html IPv6 FAQ http://www.apnic.net/info/faq/IPv6-FAQ.html IPv6 Allocation & Assignment policy http://www.apnic.net/docs/policy/ipv6-address-policy.html IPv6 request form http://ftp.apnic.net/apnic/docs/ipv6-alloc-request IP Address Management The early years: 1981 – 1992 “The assignment of numbers is also handled by Jon. If you are developing a protocol or application that will require the use of a link, socket, port, protocol, or network number please contact Jon to receive a number assignment.” (RFC 790) 1981: IANA Address Consumption References: The CIDR report http://www.cidr-report.org/ The BGP Routing Table http://bgp.potaroo.net/as1221/bgp-active.html Global Routing Table: ’88 - . | Tutorial - IPv6 Address Management Paul Wilson Director General, APNIC pwilson@apnic.net Tutorial Overview Introduction to IP Address Management Rationale for IPv6 IPv6 Addressing IPv6 Policies & Procedures References References: “The case for IPv6” http://www.6bone.net/misc/case-for-ipv6.html IPv6 FAQ http://www.apnic.net/info/faq/IPv6-FAQ.html IPv6 Allocation & Assignment policy http://www.apnic.net/docs/policy/ipv6-address-policy.html IPv6 request form http://ftp.apnic.net/apnic/docs/ipv6-alloc-request IP Address Management The early years: 1981 – 1992 “The assignment of numbers is also handled by Jon. If you are developing a protocol or application that will require the use of a link, socket, port, protocol, or network number please contact Jon to receive a number assignment.” (RFC 790) 1981: IANA Address Consumption References: The CIDR report http://www.cidr-report.org/ The BGP Routing Table http://bgp.potaroo.net/as1221/bgp-active.html Global Routing Table: ’88 - ’92 At this rate of growth the internet could not have been maintained as a single global network. Many addresses would become unreachable and unused. Global Routing Table: ’88 - ’92 At this rate of growth the internet could not have been maintained as a single global network. Many addresses would become unreachable and unused. The boom years: 1992 – 2001 “It has become clear that these problems are likely to become critical within the next one to three years.” (RFC1366) “ it is [now] desirable to consider delegating the registration function to an organization in each of those geographic areas.” (RFC 1338) 1992: IANA Address Consumption References: The CIDR report http://www.cidr-report.org/ The BGP Routing Table http://bgp.potaroo.net/as1221/bgp-active.html Global routing table http://bgp.potaroo.net/as1221/bgp-active.html CIDR deployment “Dot-Com” boom Projected routing table growth without CIDR Sustainable growth? References: The CIDR report .