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  1. Dec 21, 2020 · OSI Layer 5. Layer 5 is the session layer. This layer establishes, maintains, and terminates sessions. A session is a mutually agreed upon connection that is established between two network applications. Not two nodes! Nope, we’ve moved on from nodes. They were so Layer 4.

  2. Dec 18, 2023 · The Session Layer in the OSI model is primarily responsible for establishing, managing, and terminating communication sessions between networked applications. Initiation of Communication: This involves setting up the necessary parameters and state for the session, preparing both ends of the communication for data exchange.

  3. OSI uses three layers -- application, presentation and session -- to define the functionality of upper layers, while TCP/IP uses only the application layer. OSI uses two separate layers -- physical and data-link -- to define the functionality of the bottom layers, while TCP/IP uses only the link layer.

  4. The session layer is Layer 5 layer from the bottom in the OSI model. The job of the session layer is to control and maintain connections between systems to share data. It establishes, maintains, and ends sessions across all channels.

    • Physical Layer. The physical layer is responsible for the physical cable or wireless connection between network nodes. It defines the connector, the electrical cable or wireless technology connecting the devices, and is responsible for transmission of the raw data, which is simply a series of 0s and 1s, while taking care of bit rate control.
    • Data Link Layer. The data link layer establishes and terminates a connection between two physically-connected nodes on a network. It breaks up packets into frames and sends them from source to destination.
    • Network Layer. The network layer has two main functions. One is breaking up segments into network packets, and reassembling the packets on the receiving end.
    • Transport Layer. The transport layer takes data transferred in the session layer and breaks it into “segments” on the transmitting end. It is responsible for reassembling the segments on the receiving end, turning it back into data that can be used by the session layer.
  5. Mar 6, 2024 · Session Layer: Manages sessions between applications, including establishment, maintenance, and termination of connections. Presentation Layer: Responsible for data translation, compression, and encryption to ensure that data is presented in a readable format.

  6. Dec 8, 2023 · Layer 5: Session Layer. Managing sessions: It establishes, manages and terminates sessions between applications. This layer ensures that sessions are maintained for the duration of the communication. Coordination: The Session Layer coordinates communication between systems, managing dialogues and synchronizing data exchange.

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