This presentation explains what the Internet Assigned Numbers Authority (IANA) is, IANA's functions, how IANA has evolved and more!
You can learn more about ICANN and IANA by visiting our website: http://icann.org/
2. Internet Assigned Numbers
Authority!
+âŻResponsible for global, unique Internet
identiïŹer systems
+âŻOne of the oldest Internet institutions, its
role dates back to the 1970s
+âŻâIANAâ now refers to a series of functions
performed to coordinate unique Internet
identiïŹer systems
+âŻToday, ICANN performs the IANA functions
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3. Primary IANA functions!
Protocol
Â
Assignments
Â
Number
Â
Resources
Â
Root
 Zone
Â
Management
 (Top-Ââ
level
 Domain
 Names)
Â
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4. Root Zone Management !
(Top-level Domain Names)!
+âŻDomain Names allow Internet users to type
in âiana.orgâ instead of a series of numbers
+âŻICANNâs IANA department operates and
maintains a number of key aspects of DNS
+⯠Root zone ïŹle change requests for ccTLDs
and gTLDs
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5. Number Resources!
+âŻEach device connected to Internet has
unique identiïŹer called IP Address.
+⯠Examples:
+⯠208.77.188.102
+⯠2620:0:2d0:5:218::78e0
+âŻLarge numbers of computers are grouped
into Autonomous Systems.
+âŻLarge blocks of addresses allocated to
Regional Internet Registries (RIRs) for
distribution.
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8. The Evolution of IANA!
+âŻIANA functions ïŹrst performed within academia
and funded through U.S. Government grants.
+âŻInternet community participated in process to
create the non-proïŹt ICANN.
+âŻIn 1998, IANA functions transitioned from the
University of Southern Californiaâs Information
Sciences Institute to ICANN.
+âŻToday ICANN performs IANA functions under
contract with the U.S. Department of Commerce.
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9. Policy Implementation!
In performing the IANA functions, ICANN implements
policies developed by Internet stakeholders including:
+âŻInternet Engineering Task Force (IETF) !
+âŻInternet Architecture Board (IAB)!
+âŻRegional Internet Registries !
+âŻOperators and managers of ccTLDs and gTLDs!
+âŻGovernments!
+âŻInternet user community!
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10. Community Outreach!
To improve its operations,
ICANNâs IANA department is
actively involved in outreach
through:
+âŻICANN Forums!
+âŻMeetings and discussions with
TLD operators, RIRs and others!
+âŻHelpdesk at IETF meetings!
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