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:
• Evolution of the Microsoft NOS (Active Directory)
• Looking at the OSI 7 Layer Reference Model
• WAN Network Protocols - DSL, SONET, HDLC, DWDM, DLSW+
• Neighbor Discovery Protocol (NDP)
• IEEE 802.11 Wireless Modulation Methods
• Integration of IPv6 with IPv4
• The OSI Session Layer
• IP Addressing
• The OSI Presentation Layer
• An Introduction to the Types of VPNs

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