#Network

Frame Header > IP Header > TCP or UDP Header > HTTP/S Header > HTML Header

Transmission Control Protocol

It's an extension of IP protocol. TCP/IP

TCP allows connection of two applications running in different machines.

It uses virtual ports (like 3001...).

TCP Packet Datagram

Header is like the metadata of the each data/packet sent on the network.

![[337190cba133e19ee9d8b5878453f915971a59cd.svg]]

For each data, there are 2 packages sent. 1 for sending 2nd of the acknowledgment from the server.