Internet

Literally, the Internet (short for interconnected-networking) is a series of computers connected in some circuits. When the Internet (the letter 'I' large) is a public computer system, which is connected globally and use TCP / IP as the protocol exchange of packets (packet switching communication protocol). The largest internet series called the Internet. How to connect with kaedah series is called internetworking.

Internet maintained by bi-or multilateral agreements and technical specifications (which describe the protocols of data transfer between circuits). These protocols established by the Internet Engineering Task Force discussion (IETF), which is open to the public. The agency issued a document known as RFC (Request for Comments). Some RFCs are Internet Standards (Internet Standard), by the Internet Architecture Board (Internet Architecture Board - IAB). Internet protocols are frequently used such as, IP, TCP, UDP, DNS, PPP, SLIP, ICMP, POP3, IMAP, SMTP, HTTP, HTTPS, SSH, Telnet, FTP, LDAP, and SSL.


Some popular services on the Internet that use the protocol above, is an email / electronic mail, Usenet, Newsgroups, share files (File Sharing), WWW (World Wide Web), Gopher, session access (Session Access), WAIS, finger, IRC, MUD, and MUSH. In between all this, email / mail and World Wide Web is more often used, and more services are built berdasarkannya, such as mailing lists (Mailing List) and Weblog. The Internet allows the current service (Real-time service), such as web radio, and webcasts, which can be accessed around the world. Additionally via the internet it is possible to communicate directly between two or more users through instant messaging programs like Camfrog, Pidgin (Gaim), Trilian, Kopete, Yahoo Messenger, MSN Messenger and Windows Live Messenger.

Some of the popular Internet service based on closed systems (Proprietary System), is like IRC, ICQ, AIM, CDDB, and Gnutella.

Countries with the best Internet access, including South Korea (50% of the population have access jalurlebar - Broadband), and Sweden. There are two common forms of Internet access, the dial-up, and jalurlebar. In Indonesia, such as developing countries where access to Internet and PC penetration is still too low, the other approximately 42% of Internet access via public Internet access facilities such as internet cafe, Cyber cafes, etc. hotspot. Other public places are often used for Internet access on campus and in the office.

In addition to using a PC (Personal Computer), we can also access the Internet through Mobile (HP) using a facility called GPRS (General Packet Radio Service). GPRS is a wireless communication standard (wireless) that has a connection speed of 115 kbps and supports a broader application (graphics and multimedia). GPRS technology is accessible to support the facility. Pen-setting in the phone's GPRS Depending on the operator (Telkomsel, Indosat, XL, 3) used. Internet access costs are calculated through the amount of capacity (per-kilobite) are downloaded.