TCP/IP protocol Building Applications (part 2) #shots #harin6090

Building Applications with TCP/IP
TCP/IP (Transmission Control Protocol/Internet Protocol) is the underlying communication protocol used by most internet-based applications and services. It provides a reliable, ordered, and error-checked delivery of data between applications running on different devices.

When building applications with TCP/IP, there are a few key concepts to understand:

Ports: Ports are used to identify the application or service running on a device. Each application or service is assigned a unique port number, allowing data to be sent to the correct destination.
Sockets: A socket is a combination of an IP address and a port number, representing a specific endpoint for communication. Sockets are used to establish connections between devices and transfer data between applications.
Connections: A connection is established between two sockets when two devices want to communicate with each other. During the connection establishment process, the devices negotiate various parameters, such as the maximum segment size and window size, which determine how data will be transmitted over the connection.
Data transfer: Once a connection is established, data can be transferred between the applications running on each device. Data is typically transmitted in segments, with each segment containing a sequence number and other metadata to ensure reliable delivery.

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