Explain briefly about UDP and HTTP

• A communications protocol that facilitates the exchange of messages between computing devices in a network .

• UDP is commonly used for applications that are “lossy” ( Can handle some packet loss ) , Such as streaming audio and video . It is also used for query-response applications , Such as DNS queries .

• The User Datagram Protocol (UDP) is simplest Transport Layer communication protocol available of the TCP/ IP protocol suite. It involves minimum amount of communication mechanism. UDP is said to be an unreliable transport protocol but it uses IP services which provides best effort delivery mechanism.

• HTTP is the protocol used to transfer data over the web. HTTP uses a server-client model.

• A client , For Ex :- May be a home computer, laptop, or mobile device. The HTTP server is typically a web host running web server software, such as Apache or IIS..

• HTTP is the protocol for communicating with web servers and transferring web pages and other data back to a browser.

• (HTTP) is an application layer protocol in the Internet protocol suite model for distributed, collaborative, hypermedia information systems.

the revenue of the fitness center, y, is the product of two factors: the number of members and the fee paid by each member. there are 320 members now, but number of members goes down by 10 for each $5 increase in fees, so if x is the number of $5 price increases then members is equal to (320 - 10x). since the fee is currently $45, and the fee increases by $5 for every price bump x, the fee is given by (45 + 5x). so, revenue y is given by y = (320 - 10x)(45 + 5x).

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