DRU is a small brokerage house that enables its clients to buy and sell stocks over the Internet, as well as place traditional orders by phone or Fax. DRU has just decided to install a new e-mail package. One vendor offering an SMTP-based two-tier client -server architecture. The second vendor is offering a Web-based e-mail architecture. DRU doesn’t understand either one but thanks the Web-based one should be better because, in their words, "the Web is the future". (a) Briefly explain to DRU management, in layperson’s terms, the difference between the two. (b) Outline the pros and cons of the two alternatives and (c)Recommend to DRU about which is better.

(A) A SMTP is a guideline that allows a client to send a message to the server in a network.

The web based mail is a kind of interface by which a correspondence occurs by applying the web explicit conventions or standards fro most of the time.

(B)The pros of an SMTP based two tie client server architecture are that, it has a free platform and a simple set up, also a detailed conversation between a client and a server.

The cons involve, having a blocked SMTP ports, and the slow execution of mass mail.

For the Web based the pros are, no blockages are found, email responses are very quick.

It's cons are, it has a complex kind of arrangement.

(C)What is recommended in this case for DRU is to use the SMTP based two tier client server architecture because, it is quicker, faster, secure and easy to fix.

Explanation:

Solution

(A) A Simple Mail Transfer Protocol (SMTP) is a standard in a which a customer sends messages over to the server in a network.

The sending of emails determines the manner of communication between the server and customer or client. this starts of with a TCP association with a particular port. the customer sends out different snippets of data, and then the server needs to have to look for the verification and email.

A web based email is a kind of interface where the correspondence occurs by making use of web -explicit conventions, for most of the time, the  HTTP will allow you to integrate capacities from assistance coming from outside into your application.

(B) (i) SMTP based two tier client server architecture:

The pros or advantages:

It is platform free and has a simple set up

A complete conversation or communication between the server and the client.

The cons or disadvantages:

A blocked SMTP ports

For a mass email it has a slow execution or implementation

(ii) For the web based the pros and cons is stated below:

The pros:

No blockage is found

Quick email response or transfer or movement.

Cons or disadvantages:

It has a complex or difficult arrangement

Complexity of any type increases or goes higher.

(C) What i will recommend for DRU will be the SMTP based two tier client server architecture due to the following reasons shown below:

It is quicker

It is faster

It is more secure/security

It does not require any high skill to use it;s service

It is easy to fix.

the formula for work is

f*d

therefore work=2.0n*3.0=6n*m