tcp ip model
What is the TCP/IP Model? Just like human beings talk with each other. Computers also need to have a common way to communicate with each other. Today, most computers use…
tcp ip
tcp ip
tcp retransmission
What is retransmission in TCP? Describing how it works for error control and duplicate acknowledgement. In other articles, we have covered how the TCP setup and terminate a connection. A…
tcp ip
ipv4 header format with explanation
IPv4 header format – Explanation of all fields. A header is a piece of information appended to the actual content for message delivery. For example, in real life, the postal…
tcp ip
tcp flow control
What is the TCP flow control? Before discussing TCP flow control, it’s worth describing the flow control functionality in computer networks. When two network hosts start communicating, one sends packets,…
tcp ip
tcp keep alive
What is TCP Keepalive in Socket? How to enable It? Before digging into the details of TCP, Keepalive, we’ll begin by discussing what Keepalive is in general. Keepalive is an…
tcp ip
tcp sequence number
What is the TCP sequence number? How is it used for reliable and sequence delivery? No packet loss is defined as reliable, and sequence delivery ensures that the receiver application…
tcp ip
tcp header format explanation
TCP header format explanation TCP transfers messages reliably from one machine to another over the underlying IP network. The unit of transfer is named as TCP segment. Each segment has…
tcp connection termination
What is a TCP Connection Termination procedure? TCP is an example of a connection-oriented protocol in computer networks. Before sending any data, the communicating computers set up a dedicated both-way…
what is sftp
What is SFTP? How does SFTP secure a file transfer? The full form of SFTP is the Secure file transfer protocol. It is also named SSH FTP. SSH is for…
tcp three way handshake
What is the TCP three-way handshake? The TCP is an example of the transport layer protocol implementation per the OSI model. It is connection-oriented, which means before sending any data…