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The Internet Service Provider or ISP implies any company that renders Internet service and access to internet to business and individual users. Besides Internet connectivity,Internet Service Providers also offer related services such as email services, access to software tools, web hosting,etc. They offer various types of different technologies based on Internet connection.ISPs employ either an existing telephone connection, television cable connection or a satellite connection to connect the subscribers to the Internet. Diverse types of Internet connections are: Dial-up connection:- for voice service or to access Internet, regular phone connection is used in this type of connection. Digital Subscriber Line:-They also use telephone connection, but simultaneously involves transmission of data, voice or fax services. Such services can be established at any location without any much effort, where there is a feasibility of telephone network. The Cable Internet:- Television cable network is used for delivering high- speed Internet access, but such Internet access is available only at particular locations as they totally rely on the infrastructure of the cable network services Satellite Internet:- Through use of satellite connection, User allows to enjoy high- speed Internet connection. In remote ranges where dial-up, digital subscriber line and cable cannot be reached satellite is the best option to gain connectivity for internet access, even though this service is expensive in comparison of other services. Wireless Internet:- Radio Frequency used in this service,subscribers either with laptops or mobile phones or tablets or other such Wi-Fi enabled devices can access to portable Internet. To choose an Internet Service Provider which can fulfill all the requirements belong to specific Internet access and Internet services requirements of every customer is very difficult and crucial as the need of a customer may vary from minimum to maximum which involves surfing the Web, sending and receiving email, to advanced such as exchanging music and video files etc. Thus, the customer can select services according to their choice via service providers offering dial-up service, which is cheap but slow to broadband service which is expensive but faster Internet service provider offering different types of connection Dial-up connection, Digital Subscriber Line, Cable Internet, Satellite Internet Access also a portable Wi-Fi, 3G and 4G service. Each connection offering different level of speed, performance and the cost if compared with another and hardware require for each connection is also different. In comparison of digital subscriber line, dial-up offers lower connection, i.e. 56 Kbps and suits for simple browsing and email services. Cable and Satellite connection provides fast connection and allows:- • heavy browsing, • downloading and uploading audio and video files, • online gaming, regular sending and receiving of large files, • multiple user access and more. Provider need to ensure that each and every connection of customer should supports the operating system and software programs. Internet Service Provider have their own motto for some cost and revenue matters, for others to provide the best quality of connectivity matters. Customer should choose the appropriate and expert providers who respond to their calls immediately and able to meet up the ones requirement sans sacrificing the quality. Some providers also offered large discounts to their customers.
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