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IPv4 Address Allocation Issues & Recommendations for Migration to IPv6

This document addresses the IPv4 address depletion issue, its expected timeline, and recommendations to migrate to IPv6. It also discusses the need for documented allocation and potential actions for sites registered with ARIN.

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IPv4 Address Allocation Issues & Recommendations for Migration to IPv6

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  1. Address Allocation Issues Phil DeMar Summer 2009 ESCC meeting July 24, 2009

  2. ARIN Announcement • IPv4 address depletion letter of 5/12/09: • IPv4 addresses expected to run out in ~2yrs • Recommendation: migrate to IPv6 • Sent to Lab Directors • Considered advisory information • But remaining IPv4 address allocations will require documented need

  3. Any ESCC Role Here? • S Bradley: • “Do we need a common message to our Directors or the NLCIO?” • P. DeMar: • “Do we need a collective analysis of the IPv4/IPv6 address situation?” • Might include (for example): • ARIN IPv4 address situation • ESnet IPv4 CIDR block situation • Projected site demands for additional IPv4 address space • Address exhaustion techniques (eg., NAT) • IPv6 considerations

  4. Site ARIN Registry Actions? • Legacy Registration Services Agreement (LRSA): • Sites who have signed the agreement? • IPv6 RSA: • Sites who successfully obtained a provider-independent (PI) address block? • Opportunities to capitalize on successful ARIN registration agreements?

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