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http
communicate-via
- Web Client [ communicator ]
- Web Server [ communicator ]
is-conducted-by
- HTTP transaction, request response cycle [ activity ]
application-protocol
- Hypertext Transfer Protocol, HTTP
Types:
Comment:
specification is maintained and developed by W3C
Comment:
protocol for transferring files (text, graphics, ...) between web servers and browsers -- defines how messages are formatted and transmitted -- what action web servers and browsers should take in response to various commands
Comment:
current version: HTTP 1.1
drawback
stateless protocol -> each request is executed independently without any knowledge of previous pages requested -- solution: cookies used for state management
Comment:
runs on top of the TCP/IP, default port 80