UNit 2
NT 1310
Unit 2. Assignment 1. Service Provider Types
RBOCS
(RBOC) is a term describing one of the U.S. regional telephone companies (or their successors) that were created as a result of the breakup of American Telephone and Telegraph Company (AT&T, known also as the Bell System or "Ma Bell") by a U.S. Federal Court consent decree on December 31, 1983. The seven original regional Bell operating companies were Ameritech, Bell Atlantic, BellSouth, NYNEX, Pacific Bell, Southwestern Bell, and US WEST. RBOCs are generally in competition for digital data and Internet traffic with wireless service providers and cable TV companies. RBOCs are gradually making available new telephone carrier technologies such as ISDN and DSL.
ILEC
An ILEC (incumbent local exchange carrier) is a telephone company in the U.S. that was providing local service ILECs include the former Bell operating companies which were grouped into holding companies known collectively as the regional Bell operating companies (RBOCs). A "local exchange" is the local "central office" of an LEC. Lines from homes and businesses terminate at a local exchange. Local exchanges connect to other local exchanges within a local access and transport area (LATA) or to interexchange carriers (IXC) such as long-distance carriers AT&T, MCI, and Sprint.
CLEC
In the United States, a CLEC (competitive local exchange carrier) is a telephone company that competes with the already established local telephone business by providing its own network and switching. It is very beneficial, especially for ISPs, who may easily get access to the copper loops and other switching elements necessary to provide xDSL services.
MSO
A Multiple Systems Operator (MSO) is a company that has acquired multiple CATV systems and brought them under the control of a single corporate entity. The individual CATV systems may or may not have been combined into a single network, or may have been combined at a regional or
Unit 2. Assignment 1. Service Provider Types
RBOCS
(RBOC) is a term describing one of the U.S. regional telephone companies (or their successors) that were created as a result of the breakup of American Telephone and Telegraph Company (AT&T, known also as the Bell System or "Ma Bell") by a U.S. Federal Court consent decree on December 31, 1983. The seven original regional Bell operating companies were Ameritech, Bell Atlantic, BellSouth, NYNEX, Pacific Bell, Southwestern Bell, and US WEST. RBOCs are generally in competition for digital data and Internet traffic with wireless service providers and cable TV companies. RBOCs are gradually making available new telephone carrier technologies such as ISDN and DSL.
ILEC
An ILEC (incumbent local exchange carrier) is a telephone company in the U.S. that was providing local service ILECs include the former Bell operating companies which were grouped into holding companies known collectively as the regional Bell operating companies (RBOCs). A "local exchange" is the local "central office" of an LEC. Lines from homes and businesses terminate at a local exchange. Local exchanges connect to other local exchanges within a local access and transport area (LATA) or to interexchange carriers (IXC) such as long-distance carriers AT&T, MCI, and Sprint.
CLEC
In the United States, a CLEC (competitive local exchange carrier) is a telephone company that competes with the already established local telephone business by providing its own network and switching. It is very beneficial, especially for ISPs, who may easily get access to the copper loops and other switching elements necessary to provide xDSL services.
MSO
A Multiple Systems Operator (MSO) is a company that has acquired multiple CATV systems and brought them under the control of a single corporate entity. The individual CATV systems may or may not have been combined into a single network, or may have been combined at a regional or