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CIS 725 Service Specification. Transport Layer Connection management End-to-end control Network layer Transport layer ApplicationFA.

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Presentation on theme: "CIS 725 Service Specification. Transport Layer Connection management End-to-end control Network layer Transport layer ApplicationFA."— Presentation transcript:

1 CIS 725 Service Specification

2 Transport Layer Connection management End-to-end control Network layer Transport layer ApplicationFA

3 Mutual exclusion Request Enter Release

4 Interface Creq (Connection Request) Cind (Connection Indication) Cres (Connection response) Cconf (Connection confirm) Dreq (Disconnection request) Dind (disconnection indication)

5 Interface Creq (Connection Request) Cind (Connection Indication) Cres (Connection response) Cconf (Connection confirm) Dreq (Disconnection request) Dind (disconnection indication) Dres (Disconnection response) Dconf (disconnection confirm)

6 1 2 34 Creq1 Cconf1 Dreq1 Cind2 Cres2 Dind2 ?Creq1 !Cind2 ?Cres2 5 !Cconf1 67 ?Dreq1 !Dind2 6 ?Dreq1 7 !Dind2 !Cind2 ?Dreq1 7 !Dind2 7 ?Cres2

7 !cind2 ?creq1 ?cres2 !cconf1 ?creq2 !cind1 ?cres1 !cconf2 ?creq1 ?creq2

8 !cind2 ?creq1 ?cres2 !cconf1 ?creq2 !cind1 ?cres1 !cconf2 ?creq1 ?creq2 !cind2

9 Transmission Control Protocol End-to-end transport protocol End point (IP address, port)

10 TCP connection establishment

11

12

13 CIS 725 Lecture 16

14

15

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