About VPN ( Virtual Private Network )

Overview Know VPN ( Virtual Private Network )

Speaking of the VPN ( Virtual Private Network ) , for implementation VPN connection is basically aimed to access a different computer location ( eg pc at home or in the office ) by utilizing a public network or the Internet , while the Internet itself consists of a collection of interconnected networks , So you can imagine users just ride the existing lines to be connected to a local network or directly to a destination computer , to interconnect the VPN you can see as shown in the figure below .

Development of information systems VPN system developed with the intent and purpose as follows :

    The ability to form a LAN network that is not in place and a time limit , because koneksitasnya done via the internet . Any internet connection can be used such as Dial - Up , ADSL , Cable Modem , WIFI , 3G , CDMA Net , GPRS , ....
    Can be used for the use of a centralized database to communicate between server and client via the Internet as Commerce Applications , Purchase , POS , Accounting , Cashir , Billing System , General Ledger , Remote Web Camera , ETC
    Leaders quickly and precisely to make decisions that will be taken , because the head of the company anywhere can access the financial system , purchasing used office because notebook system connected directly to the company's data base server through a VPN connection .
    Supports unlimited number of servers and clients that are behind a router server simultant
    Connectivity wherever they are able to do with a PC at the office for example by utilizing software that works in LAN network as Citrix , Windows Terminal Server , VNC , Radmin , VOIP , and so forth .
    If companies want to optimize the cost to build a wider network , this system can be used as an alternative technology to connect a local network with a relatively small cost , because the media data transmission technology using existing public network without the need to issue a monthly fee .
    Reach local network owned by a company will be broad , so that the company can expand its business in other areas . The time required to connect the local network to other places are also getting faster , because the installation process is done on the company's network infrastructure / new branch office in the region closest to the ISP . VPN usage will indirectly improve the effectiveness and efficiency of the work .
    The use of a VPN can reduce operating costs when compared to using traditional leased line as a way to implement a WAN .  Can reduce the cost of manufacturing because it does not need a cable network ( leased line ) long . Use of a long cable would require a very large production costs . The farther the distance desired , increasing the cost of production .
    Using the internet as a medium of communication . Company costs only a relatively small amount to the company connects with the ISP ( internet service provider) nearby .
    Provide simple, accessible from anywhere , so that mobile employees can access the corporate network wherever they are special . During the Internet can get access to the nearest ISP , company staff can still connect with the particular network company