CONS
Encyclopedia
CONS, Connection-Oriented Network Service, is one of the two OSI
network layer
protocols, the other being CLNS
(Connectionless Network Service). It is basically X.25
, with a few adjustments.
Open Systems Interconnection
Open Systems Interconnection is an effort to standardize networking that was started in 1977 by the International Organization for Standardization , along with the ITU-T.-History:...
network layer
Network layer
The network layer is layer 3 of the seven-layer OSI model of computer networking.The network layer is responsible for packet forwarding including routing through intermediate routers, whereas the data link layer is responsible for media access control, flow control and error checking.The network...
protocols, the other being CLNS
CLNS
CLNS is an abbreviation of Connectionless Network Service.It is an OSI Network Layer service that does not require a circuit to be established before data is transmitted...
(Connectionless Network Service). It is basically X.25
X.25
X.25 is an ITU-T standard protocol suite for packet switched wide area network communication. An X.25 WAN consists of packet-switching exchange nodes as the networking hardware, and leased lines, Plain old telephone service connections or ISDN connections as physical links...
, with a few adjustments.
Protocols providing CONS
Some protocols that provide the CONS service:- X.25X.25X.25 is an ITU-T standard protocol suite for packet switched wide area network communication. An X.25 WAN consists of packet-switching exchange nodes as the networking hardware, and leased lines, Plain old telephone service connections or ISDN connections as physical links...
, as specified in ITU-T Recommendation X.223 is a Public Data NetworkPublic Data NetworkA public data network is a network established and operated by a telecommunications administration, or a recognized private operating agency, for the specific purpose of providing data transmission services for the public....
protocol that provides the Connection Oriented Network Service as described in ITU-T Recommendation X.213.
- Signalling Connection Control Part (SCCP), as specified in ITU-T Recommendation Q.711 is a Signaling System 7 protocol that provides the Connection Oriented Network Service as described in ITU-T Recommendation X.213.
- Service Specific Connection Oriented Protocol (SSCOP), as specified in ITU-T Recommendation Q.2110 is an Asynchronous Transfer ModeAsynchronous Transfer ModeAsynchronous Transfer Mode is a standard switching technique designed to unify telecommunication and computer networks. It uses asynchronous time-division multiplexing, and it encodes data into small, fixed-sized cells. This differs from approaches such as the Internet Protocol or Ethernet that...
protocol that provides the Connection Oriented Network Service as described in ITU-T Recommendation X.213.