H - J
IANA.

Internet Assigned Numbers Authority. An organization operated under the auspices of ISOC as a part of IAB. IANA delegates authority for IPv4 and IPv6 address space allocations. IANA also maintains a database of assigned protocol identifiers used in the TCP/IP stack, including autonomous system numbers.

IETF.

Internet Engineering Task Force. A task force consisting of more than 100 working groups responsible for developing Internet standards. The IETF operates under the auspices of ISOC.

IPng.

IP next generation. The former name of the IETF working group that designed the technical specifications for IPv6. This IETF working group was renamed IPv6 in 2001. IPng is also the former name of the IPv6 protocol.

IPv4.

Internet Protocol version ...

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