Motorola SVG2500 manual Term Definition Iana, Icmp, Icsa, Ieee, Ietf, Igmp

17 GLOSSARY
TERM	DEFINITION
	On an HFC network, a hub is a scaled-down headend that
	performs some or all headend functions for part of the system.
Hz	Hertz — one cycle per second. The unit to measure the frequency
	that an alternating electromagnetic signal cycles through its
	highest and lowest states. Used to define the bands of the
	electromagnetic spectrum used in voice and data
	communications, or to define the bandwidth of a transmission
	medium.

I

TERM	DEFINITION
IANA	The Internet Numbering Address Authority (IANA) is an
	organization under the Internet Architecture Board (IAB) of the
	Internet Society that oversees IP address allocation. It is under a
	contract from the U.S. government.
ICMP	Internet Control Message Protocol is a protocol used for error,
	problem, and informational messages sent between IP hosts and
	gateways. ICMP messages are processed by the IP software and
	are not usually apparent to the end-user.
ICSA	The International Computer Security Association is the security
	industry’s main source of research, intelligence, and product
	certification.
IEEE	The Institute of Electrical and Electronics Engineers, Inc.
	(http://www.ieee.org) is an organization that produces standards,
	technical papers, and symposiums for the electrical and electronic
	industries and is accredited by ANSI.
IEEE 802.11b	IEEE wireless network standards
IEEE 802.11g
IEEE 802.3	See Ethernet.
IETF	The Internet Engineering Task Force (http://www.ietf.org) is an
	open international community of network designers, operators,
	vendors, and researchers that develops and maintains Internet
	architecture. Technical working groups issue working documents
	called Internet-Drafts. The IETF publishes review versions of the
	drafts called requests for comments (RFCs).
IGMP	Internet Group Membership Protocol is the Internet multicasting
	standard. IGMP establishes and maintains a database of group
	multicast addresses and interfaces to which a multicast router
	forwards multicast packets. IGMP runs between multicast hosts
	and their immediately-neighboring multicast routers.
	146