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 Data Link Layer
• IPv4 Datagram Fields
• Video - Data Link Layer of OSI Networking Model
• IPv6 Global Unicast Addresses
• IPv4 Address Classes
• TCP Windowing
• TCP/IP Protocol Suite
• WAN Network Protocols - DSL, SONET, HDLC, DWDM, DLSW+
• Routing Datagrams
• Internet Security and VPN Network Design

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