What layer is responsible for dialog control?

The functions of Dialog Control and Synchronization are associated with the Session Layer (Layer 5) of the OSI model. That is equivalent to Layer 4 of the TCP/IP model since it essentially compresses Layers 5 to 7 of the OSI model into the Application Layer of the TCP/IP model.

What happens at the session layer?

The session layer provides the mechanism for opening, closing and managing a session between end-user application processes, i.e., a semi-permanent dialogue. Communication sessions consist of requests and responses that occur between applications.

What is network layer presentation?

The presentation layer is the lowest layer at which application programmers consider data structure and presentation, instead of simply sending data in the form of datagrams or packets between hosts.

What is Dialog Control at session layer of OSI?

Since Session layer is used to create, maintain and terminate sessions between client and server and also to differentiate multiple user sesssions among same or different servers. It is also responsible to identify the mode of the communication in a particular session between them like Simplex, Half Duplex or Full Duplex.

Which is the main function of the session layer?

Dialog Control is the main function of Session layer. Session layer manages dialogs between two computers and it is responsible for communication or conversation. There are three forms of dialog. 1. Simplex dialogs : one way transfers, for example.. computer to printer ( computer will send data to printer and printer will receive the data ). 2.

When to add checkpoints in the session layer?

Synchronization : This layer allows a process to add checkpoints which are considered as synchronization points into stream of data. Example: If a system is sending a file of 800 pages, adding checkpoints after every 50 pages is recommended.