Network; Network Architecture - SATO WS408DT Technical Manual

7

Network

7 Network
This chapter provides the information about your printer networking.

7.1 Network Architecture

As the figure shows, the network architecture includes several layers, and each
layer corresponds to the layer in the Open Systems Interconnection (OSI) model.
The print engine is on the application layer. It is a set of programs that handle
most jobs for your printer, such as receiving data, analyzing data, drawing images,
printing images and returning status. It communicates with TCP via the socket.
The socket is on the session layer. It is an application program interface (API) that
opens, receives, sends and closes TCP sessions between your printer and network
nodes to exchange data.
Transmission Control Protocol (TCP) and Internet Protocol (IP) are on the transport
and the network layer, respectively. These two layers work closely together. The
transport layer secures end-to-end data transfer by establishing a reliable
connection that includes features such as packet resend control, packet order
control, flow control and error checking. TCP is the protocol commonly used in
transport layer.
101
Network Architecture