ch1 page28.pdf

Connectionless & ConnectionOriented Services ⚫ Connection-Oriented ⚫ ⚫ Three-phases: ⚫ Connection setup between two SAPs to initialize state information ⚫ SDU transfer ⚫ Connection release E.g. Transmission Control Protool (TCP) ⚫ Connectionless ⚫ ⚫ ⚫ ⚫ Dr. Atef Abdrabou Immediate SDU tra...

Connectionless & ConnectionOriented Services ⚫ Connection-Oriented ⚫ ⚫ Three-phases: ⚫ Connection setup between two SAPs to initialize state information ⚫ SDU transfer ⚫ Connection release E.g. Transmission Control Protool (TCP) ⚫ Connectionless ⚫ ⚫ ⚫ ⚫ Dr. Atef Abdrabou Immediate SDU transfer No connection setup E.g. UDP, IP Layered services does not have to be of same type ⚫ TCP operates over IP 28 Connection-Oriented Service Dr. Atef Abdrabou 29 Connectionless Service Dr. Atef Abdrabou 30