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📈From Zero to DevOps: Week 4 – Building a Strong Foundation in Linux Networking- TCP Working
- TCP (Transmission Control Protocol) is a reliable, connection-oriented protocol at the transport layer of the OSI model.
- The TCP 3-way handshake is crucial for establishing a connection, involving SYN, SYN-ACK, and ACK packets.
- Data transmission in TCP involves segmenting data, acknowledging segments, and retransmitting lost segments for reliability.
- TCP utilizes flow control to manage data transmission speed between senders and receivers efficiently.
- TCP implements congestion control mechanisms like slow start to prevent network congestion and ensure fair data sharing.
- TCP connection termination follows a four-step process with FIN and ACK messages for a graceful closure.
- Sequence numbers in TCP uniquely identify each byte of data to maintain order and detect missing packets.
- TCP handles lost segments by slowing down transmission and retransmitting only the missing segment.
- Flow control in TCP involves informing the sender of the receiver's buffer capacity to prevent overwhelm.
- Congestion control in TCP helps manage network traffic efficiently by adjusting sending rates based on network conditions.
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