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: • IPv6 Unicast Addresses • NTP Server Systems - The Network Time Protocol • A Simple Description of the IPv6 Header and Datagram • TCP/IP Protocol Suite • Internet Protocol versions IPv4, IPv5 and IPv6 • IEEE 802.11 Wireless Modulation Methods • 14 Common Network Ports You Should Know • Networking Protocols, Ports, Standards, and Organizations What Does it All Mean? • Classless IP Addressing • Integration of IPv6 with IPv4
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