several terms in the world of information technology

Packet Switching

A method used to move data in the Internet network. In a packet switching, all data packets sent from a node will be split into several parts. Each sections have information about the origin and destination of the packet data. This allows a large number of pieces of data from various sources are sent simultaneously through the same line, and then sorted and directed to different routes through the router.

POP

Post Offce Protocol. Standard protocol used to retrieve or read an email from a server. POP protocol the last and most popular use is POP3. Other protocols which is also often used is IMAP. Now to send an email to a server used SMTP protocol.

Router

A computer or software package which is devoted to handle the connection between two or more network that is connected via packet switching.Router works by looking at the destination address and source address of data packets that pass through and decide the route to be used by package these data to a destination.

SDSL

Symmetric Digital Subscriber Line. One type DSL that allows data transfer to upstream and downstream runs at the same speed. SDSL is generally working at a speed of 384 kbps (kilobits per second).

SMTP

Simple Mail Transfer Protocol. Standard protocol used to send email to a server in the Internet network. For the purposes of decision-mail, use POP protocol.

Telnet

The software is designed to access remote-host with text-based terminals, for example with VT100 emulation. Use Telnet very vulnerable in terms of security. Today the use of Telnet has been replaced by SSH protocol with better security level.

UDP - User Datagram Protocol

One of the protocols for data transfer which is part of the TCP / IP. UDP refers to the data packets that do not provide information about their home address when the data packet is received.

Upload

Activity data transmission (such Fle) from local computer to another computer that is connected in a network. The opposite of this activity is called download.

Upstream

The term that refers to the speed of data flow from the local computer to another computer that is connected via a network. This term is the opposite of downstream.

URL - Uniform Resource Locator

This term is basically the same with the URI, but term URI is used more to replace the URL in the technical spesifkasi.

Webmail

Facilities sending, receiving, or reading an email through the web.