Chapter IV: Infrastructure Of Online Trading Part-3:

Internet Protocols:

Most of the interesting things in the world of the Internet is that there is a certain control. This is Very reason that has prevented the companies from the initial investment in the Internet for commercial purposes. Internet Not the same as the global system for mobile phones and administered by a small number of major telephone companies, which are Organization and enactment of laws by the governments and nations. But the Internet is "organized chaos," which Works only because there are a lot of agreements that have taken place without any negotiations between all stakeholders IETF is a voluntary about the protocols that make the networks work, although the company Responsible for the development of criteria and characteristics of the Internet. According to one of specialist:

"The problem of inter-networks is how to build a set of protocols that they could manage communication between Any two or more, which is used by each different operating systems. To makes matters more complicated, each System connected with each other is not known characters from the rest of the regulations. There is no hope Where is the knowledge System or any other software that are used or what used solid platform. "

The protocol is a set of laws that define and determine how the two relate to each machine to some Across the network.

Protocols that have been built by the Internet contains several basic designs:

1-interoperable:

System support software and computers from the manufacturer Different companies. This - for electronic commerce - I mean, that clients and employers will not have to Buy certain regulations for the conduct of trade.

2-layered:

Any protocols that all work in layers so that each class will begin its work after the End class above or below it to complete its work. Each layer uses the data resulting from Class above or below it.

3-simple:

Each layer is responsible for building some of the operations and functions.

4-end-to-end:

Internet protocols are based on "end-to-end." This means that The interpretation and reading of data occur only in the application layer and not in the layers of the network. As an example to clarify the picture, It is like the process of sending mail. Vsai mail does not know what is in the package or in the mail. Only The sender and the future are the only person who knew the nature of the message.