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 Reference Model
• An Introduction to the Types of VPNs
• RADIUS Protocol
• Shortest Path Bridging (SPB) Protocol
• TCP Windowing
• Networking Protocols, Ports, Standards, and Organizations What Does it All Mean?
• IPv6 Prefix Length Notation
• Comparing IPv4 and IPv6 at a Glance
• Link Aggregation
• IPv6 Address Auto Configuration

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