Layer 5

Communications Systems Glossary

Communications Systems — Open Systems Interconnection reference model — Layer 5

 

 

 

 

 

 

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Information on Layer 5

The Layer 5 is Layer 5 of the ISO OSI 7-layer model. The Layer 5 manages a logical connection (session) between two communicating processes or applications and is responsible for establishing a dialogue between applications. Session-layer protocols specify how to establish a communication session (such as how to login to a remote timesharing computer). Specifications for security details such as authentication using passwords also belong in Layer 5.


Other topics in our resources on Communications Systems related to Layer 5 include: 
 
  • Physical layer (Layer 1)
  • data-link layer (Layer 2)
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  • network layer (Layer 3)
  • transport layer (Layer 4)
    		•
  • presentation layer (Layer 6)
  • application layer (Layer 7)

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