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You are here: Home » ISP : Internet Service Providers

By Abhishek Ghosh December 7, 2011 3:31 pm Updated on December 7, 2011

ISP : Internet Service Providers

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ISP or Internet Service Provider is a commercial structure or a organization that provides users at the supply contract, the provision of Internet.

With the explosion of the Internet in early 2000 the market has gone from small ISPs that worked with banks of modems to operators of large telecommunications. Several ISP?have been restructured or acquired by bigger ones. Today the majority of telecommunication operators and ISPs are also provide, in addition to Internet access and maintenance services such as registration of domain and hosting of web pages .

ISP or?Internet Service Providers typically buy network equipment ( switches, etc.) from their respective manufacturers and build the transportation network in the optical fiber by using capital and its bank loans by following a careful economic planning and relying on often as possible to network infrastructure existing to minimize costs. For the access network but often apply the directives of Local Loop Unbundling or the opening of the ‘ last mile network belonging to the dominant operator if ISP have failed to self-realization. Often also the network management on a technical level (maintenance and faults) is required by outsourcing to other companies concerned.

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ISP services to provide Internet access

 

As the access to the Internet , ISP form the nodes in the computer network that constitutes the Internet. Not all ISPs are equal. There are top-level ISPs that have a fast interconnection network, are international and are directly connected to other ISPs in the. These ISPs are connected to them a number of ISPs to the second level (of which are suppliers) that are called, in this case, users. ISPs to form the first level, then, the main backbone of the Internet. Within an ISP network points of connection between different ISPs are called POP ( Point of Presence ) and physically consist of routers that connect the router to other ISPs. The connection can occur either:

  • Private Peering Points (one router connected to a single router), mostly used by large ISPs
  • NAP (Neutral Access Point) (a router that connects several routers)

 

The connection of a user of an ISP (residential or commercial) can be performed with two types:

  • Dialup
  • Broadband
ISP - Internet Service Providers

Dialup connections require the use of an analog telephone line or ISDN . Broadband connections can be wireless , Cable, or DSL . Broadband connections can be faster but also more expensive. It is now possible to establish an analogue or ISDN without specifying username or password or by entering the standard parameters.

 

ISP for the provision of other Internet services

 

One of the main services is to register domain names DNS . The authoritative bodies defines the name server for a domain name. The DNS, in turn, provides the details for the other servers associated with that domain, typically the ‘ IP address of the web server , the name of the mail server and possibly a record SPF . The ISP provides the name registration is thus in a position to suggest which ISPs provide other services.
ISPs that do not include traffic from the client to the server (upstream) and have only customers and / or anonymous nodes, are called Tier 1 network , to indicate the top in the Internet category. There are several associations of ISPs.

 

Customers / users of ?ISP

 

Internet services for ISPs two main market segments, or two different types of users / customers with different needs:

 

  • Business or enterprise
  • Private customers or any other private users

Tenders or types of services and taxable costs of the various ISPs differ depending on these two categories of users. Moreover all the ISP are controlled under regulations of the telecom department and their laws of that country.

 

This article on ISP : Internet Service Providers is written by Mr. Kanai Lal Saha, who has been regularly writing excellent articles on core computing, Virtualization and Cloud Computing.

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Abhishek Ghosh

About Abhishek Ghosh

Abhishek Ghosh is a Businessman, Surgeon, Author and Blogger. You can keep touch with him on Twitter - @AbhishekCTRL.

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About This Article

Cite this article as: Abhishek Ghosh, "ISP : Internet Service Providers," in The Customize Windows, December 7, 2011, April 1, 2023, https://thecustomizewindows.com/2011/12/isp-internet-service-providers/.

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