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New Top Level Domains

New Top Level Domains. Geoff Huston IAHC. Top Level Domain Names. Country-code name spaces .au .jp .sg .de Special purpose name spaces .in-addr.arpa .int .mil generic use name spaces .com .net .org. Who’s who in Domain Names. ISOC. Charter and Appeal. IAB.

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New Top Level Domains

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  1. New Top Level Domains Geoff Huston IAHC

  2. Top Level Domain Names • Country-code name spaces .au .jp .sg .de • Special purpose name spaces .in-addr.arpa .int .mil • generic use name spaces .com .net .org

  3. Who’s who in Domain Names ISOC Charter and Appeal IAB Charter and Appeal Internet Assigned Numbers Authority IANA . (root name servers) Delegation Delegation .com .net .org .edu .gov InterNIC services Network Solutions .au Delegated National Domain Administrators

  4. Generic TLDs • InterNIC NSF CoA .com .net .org • Growth Issues • Contract service levels falling • Charging for .com • Exclusive trader concerns • Pressure to create “natural competition” • Renegade root name domains appear

  5. But do we need more gTLDs? We’re here .... because we’re here

  6. IAHC • IANA proposal to create competition in supply of gTLDs • more top level domains • more operators of these domains • ISOC endorsement • International Ad-Hoc Committee to • investigate policy issues • implement more gTLDs

  7. Features of the IAHC proposal • international • shared • operation of a DNS registry environment for additional gTLDs

  8. Shared Operation • The Registry and the Registrars • the registry is the data repository • The registrar is the agent providing data updates

  9. The Registrar’s Role • certify the client’s identify • certify the client’s request • certify the validity of the transaction • pass the data to the registry

  10. Shared Registrars • compete on • services • price • charge models

  11. Shared Registrars • cooperate on • domain policy • validity and integrity of registry transactions • registry interaction format • synchronisation of transactions

  12. Shared Registrars • competitive access to a common underlying resource

  13. The Registry’s Role • provide a public record of association of • an entity with • a public resource (Domain Name) • provide processes to allow management of such associations • a network resource title office

  14. Shared Registry • single primary zone file constructed from registry database • multiple entry points for • secure mechanism for initiating database update • secure mechanism for distributing data updates • May use replicated or distributed data models

  15. A Replicated Registry model • Each registry has a unique identifier • Each data item has a single-value registry field user:Handle: GH29-AU user:Registry: whois.aunic.net

  16. A Replicated Registry model • All updates to the data item are passed to the referenced registry • The referenced registry imposes synchronisation locks for the data item • The referenced registry initiates flood update update GH29-AU whois.reg1 whois.aunic.net whois.reg2 update GH29-AU

  17. A Distributed Registry model • Each data item exists in only one registry • All references to the data item are a compound reference of registry identifier and a locally significant handle whois://whois.aunic.net/user/GH29-AU • All updates are undertaken directly at the referenced registry

  18. A Distributed Registry model • The primary zone file is a data item of references to delegated entries for acme.biz whois://whois.reg1/primary-zone/biz acme.biz: whois://whois.reg1/primary-zone/acme.biz whois://whois.reg1/primary-zone/acme.biz domain: whois://whois.aunic.net/domain/acme.biz

  19. Shared Registeries • Do not exist at present • Further effort required: • developmental effort • trial implementations • testing • initial deployment • scaling of deployment

  20. Activities • Completion of IAHC report • Agreement from referenced parties • Implementation • gTLDs • selection of registrars • development of shared registeries • oversight and evolution

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