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Saturday, December 27, 2014

Communication protocols, TCP / IP

Communication Protocols

      During communication computer connected to the Internet used certain rules.
These rules were designed so that the data can be read by users, who
They use different operating systems. Community recognized these communication rules
Protocol name differently. Protocols used by all computers, so they
They are defined in accordance with international standards.

Protocols TCP / IP

        TCP / IP is the designation of two separate protocols:
· TCP (Tansmission Control Protocol
· IP (Internet Protocol)
            TCP / IP is implemented determine precisely how addressing and sending data in
computer network. Both protocols closely collaborating among themselves.
  TCP protocol implements the collection of data in the order, in order to go to
designated place without errors. To avoid blocking of computer network protocol
Smites TCP data in the smallest packages, which do not constitute more than 1500
characters. These small packages then provided with a number, according to the packages that will be
reunited when he arrives at the place specified.
  IP protocol implements data transmission through the network equipment. This protocol,
equipment packages after the sender address and the recipient, sends for travel.
Every computer connected to the Internet has a unique number called IP address. An IP address
It consists of four three-digit numbers separated by points (.). Number are between
0 and 255. This address is hard to remember. To easily remember the IP address
by peroruesi, using the DNS system (Domain Name Server - Server Name Property).
This system enables the use of the characteristics instead of numbers alphabetically.
      For example, it is much easier to remember address type
www.microsoft.com (domain name) instead of numrve 207.31.7.130; www.yahoo.com
204.71.177.35 instead of numbers.
      Since directions are numerous social activities, it has become a grouping
The main areas for domain'eve addresses from which the most important are:

· .com> Trade Subject
· .edu> Educational institution
· .gov> Governmental institution
· .mil> Military institution
· .org> Non-Governmental Organization
· .com> Network Center

We emphasize that the names of the fields is part of the state code as the Albania Al, It for
Italy or Fr for France, etj.P.sh mash.gov.al domain shows that the Ministry address

Education and Science, which is a government institution and exactly MES, in Albania.


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