class_5 - Software Engineering 3156 Fall 2001 Section 1...

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Unformatted text preview: Software Engineering 3156 Fall 2001 Section 1 24-Sep-01 #5: Project, OOA, UML Phil Gross 2 Administrivia Recitation looking like Friday 10am Anyone planning to use C++? Project is here 3 Project Stuff Going over it in class Will be mutating during the next week Have three weeks to do specification 4 TCP One of the protocols on top of IP Quite popular, but not popular enough to call the whole shebang TCP/IP Packets will be delivered reliably, once, in order Will request retransmissions if packets are dropped Supports multiple recipients per machine with idea of port 5 UDP Alias datagrams Adds ports to IP, but nothing else I.e. totally unreliable, packets may be delivered out of order, not at all, multiply, etc. Used for real-time data 6 Services Listening On Ports Servers have programs running in the background, waiting for connections on a particluar port Telnet on 23 FTP on 21 Mail (SMTP) on 25 HTTP on 80 Many more 7...
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class_5 - Software Engineering 3156 Fall 2001 Section 1...

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