web Technology Write 300- to 600-word response to the following discussion topic
ID: 3755958 • Letter: W
Question
web Technology
Write 300- to 600-word response to the following discussion topics and post your answers to the discussion board topic "Web Protocols":
Describe the functions of the TCP and IP Internet protocols.
Describe the relationship of UDP to DNS.
Write a 150-word response to one peer in which you respectfully and professionally offer your opinion of his or her post:
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Explanation / Answer
Describe the functions of the TCP and IP Internet protocols. Describe the relationship of UDP to DNS.
Answer)
The TCP/IP is the Transmission Control Protocol/Internet Protocol which is a protocol suite for connecting to devices on the Internet. Thus the protocol is used by any networking devices that want to interconnect another computer and the protocol can also be used as a communication protocol in the network. TCP/IP determines that how the information is exchanged over the Internet and how does it provide the end-to-end communications by breaking transmission into packets, and addressed, then transmitted, routed and received at the destination. TCP/IP makes networks reliable and thus we can recover messages and packets that we have lost in the transmission.
Messages are transmitted as packets in the TCP/IP protocol by breaking a message into several packets, and then they are re-assembled at the destination. The IP address is a unique address in the TCP/IP protocol which uniquely defines each computer or networking device in the network, thus IP will define how to address and route the packet to the destination, thus the message is forwarded to the destination IP address only. TCP/IP is thus a client-server model of communication where a client is served by a server on the network. TCP/IP is also a stateless protocol which means each client request is considered new and unrelated to the old requests.
UDP is User Datagram Protocol, a connectionless protocol where it enables the process-to-process communication. The DNS is the domain name system which is the way that the internet domains are translated into the IP addresses. The DNS maps the website to the IP address and then locates the service. DNS is an application layer protocol and it uses the non-reliable UDP. DNS uses UDP as UDP is faster than the TCP, DNS servers use the UDP. The DNS requests are very small and also fit within the UDP segments. UDP segments are actually not reliable but this can be made reliable using the timeout and resend at the application layer.
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