CIS246 TCP IP Course Discussions

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CIS246 TCP IP Course Discussions
Has there been an evolution in any of these protocols? Are there any weaknesses or disadvantages…

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CIS246 TCP IP Course Discussions

CIS246 TCP IP Course Discussions

Course Discussions Week 3 All Students Posts – 30 Pages 

There is an alphabet soup of protocols in TCP/IP: HTTP, FTP, SMTP, POP3, TCP, UDP, IP, ARP, ICMP, and others. What are the characteristics of these protocols? What are they used for? Has there been an evolution in any of these protocols? Are there any weaknesses or disadvantages? What exactly is TCP/IP, and what are the four layers that TCP/IP can be broken down into?

TCP stands for transmission control protocol. IP stands for Internet protocol. TCP/IP is the basic communication language (or protocol) of the internet. There are four layers: application, transport, Internet, and network interface. The application layer provides user access to network resources. It basically ensures a connection is made to an appropriate port. It also defines the rules, commands, and procedures that client software uses to talk to a service running on a server. The lecture has a good example: The HTTP protocol defines how Web browsers and Web servers communicate…