The OSI Session Layer

By Stephen Bucaro

The Session layer, layer seven of the OSI model, establishes, synchronizes, maintains and terminates sessions between computers on a network. It establishes a connection ID and authenticates security.

When you think of the Session layer, keep in mind that the OSI is only a model. Actual network protocol suites, such as TCP/IP handle the conection establishment, maintainance, and termination with protocols at the Transport layer.

More Networking Protocols and Standards:
• The OSI Physical Layer
• TCP/IP Protocol Suite
• DSL (Digital Subscriber Line)
• The OSI Data Link Layer
• How to Set Up FTP (File Transfer Protocol)
• IPv4 to IPv6 Transition With the Dual-Stack Technique
• Active Directory : How Objects Are Stored and Identified
• IPv6 Address Types and Scopes
• Network Switches
• IPv6 Anycast Addresses

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