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: • Unicast, Multicast, Broadcast. What Does It Mean? • Evolution of the Microsoft NOS (Active Directory) • IPv6 Packet Fragmentation • Neighbor Discovery Protocol (NDP) • TCP Windowing • Routing Datagrams • OSI Transport Layer • Network Gateways • TCP/IP Utilities • Networking and Internet Standards Organizations
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