07-02-2013, 03:39 PM
Introduction to TCP
Introduction to TCP.ppt (Size: 341.5 KB / Downloads: 35)
OSI and Protocol Stack
Link Layer : includes device driver and network interface card
Network Layer : handles the movement of packets, i.e. Routing
Transport Layer : provides a reliable flow of data between two hosts
Application Layer : handles the details of the particular application
Packet Encapsulation
The data is sent down the protocol stack
Each layer adds to the data by prepending headers
Internet Protocol
Unreliable … connectionless datagram delivery service
Responsible for routing of data through intermediate networks and computers
IP Routing
Routing Table
Destination IP address
IP address of a next-hop router
Flags
Network interface specification