What is the full form of CLNS?

Full form of CLNS: Here, we are going to learn what does CLNS stands for? CLNS – which is an abbreviation of "Connectionless Network Service" in Computer Acronyms/Abbreviations, etc.
Submitted by Anushree Goswami, on August 14, 2020

CLNS: Connectionless Network Service

CLNS is an abbreviation of "Connectionless Network Service". It is a Layer 3 Open Systems Interconnection protocol for connecting end systems known as hosts with routers to send messages to their target point autonomously of several further messages in an Open Systems Interconnection (OSI) network. It makes use of the network service access points (NSAPs), to classify end systems and routers.

CLNS Usage

ISO Transport Protocol Class 4 (TP4) makes use of the CLNS, which in the OSI suite comes as one of the five transport layer protocols. In the internet protocol suite, it is as same as the Transmission Control Protocol (TCP), which is generally used in almost all the protocols of the OSI transport protocols. It offers dependable transport service and operates according to the requirement with the choice of either connection-oriented or connectionless network service.

CLNS Protocols

A variety of protocols offer the CLNS, which are given below in the following:

  • Signaling Connection Control Part (SCCP)
  • Connectionless-mode Network Protocol (CLNP)
  • Intermediate System-to-Intermediate System (IS-IS)
  • End System-to-Intermediate System (ES-IS)

Advantages of Connectionless Control Network Services

  • It is easy, manageable, and has a small running cost.
  • The data packets of CLNS are routed in the course of paths, which occur in turn repeatedly, in the condition of router breakdown or network congestions, which make the communication, not get interrupted or disordered.
  • In the case of the set of connections of the circuit, it does not have need any time.
  • It allows the sender to send messages to a variety of numerous recipients through broadcast and multicast messages.

Disadvantages of Connectionless Control Network Services

  • It is susceptible to congestion of the network.
  • The prolonged data fields are requisite in every data packet as it supposed to carry all the destination addresses and the data of routing details.
  • The connection of CLNS is not good in performance and trustworthiness.

Reference: Connectionless-mode Network_Service


Algo tagged in: Dictionary – 'C'






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