Isp

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Isp

  1. 1. INTERNET SERVICE PROVIDERS SURYA PRAKASH TIWARI ROLL NO. 12
  2. 2. INTRODUCTION•An Internet service provider (ISP), also sometimesreferred to as an Internet access provider (IAP), is acompany that offers its customers access to theInternet.•The ISP connects to its customers using a datatransmission technology appropriate for deliveringInternet Protocol packets or frames, such as dial-up,DSL, cable modem, wireless or dedicated high-speedinterconnects
  3. 3. End User to ISP Connection ISP employ many technologies for users to connect to their network such as- Dial-up DSL ( Digital Subscriber Line) broadband wireless Integrated Services Digital Network (ISDN)
  4. 4. ISP Interconnection Just as their customers pay them for Internet access, ISPs themselves pay upstream ISPs for Internet access. An upstream ISP usually has a larger network than the contracting ISP and/or is able to provide the contracting ISP with access to parts of the Internet the contracting ISP by itself has no access to.
  5. 5. Peering ISPs may engage in peering, where multiple ISPs interconnect at peering points or Internet exchange points (IXs), allowing routing of data between each network, without charging one another for the data transmitted—data that would otherwise have passed through a third upstream ISP, incurring charges from the upstream ISP.
  6. 6. Types of ISP Types of ISP- Virtual ISP Free ISP
  7. 7. Popular Internet ServiceProviders
  8. 8. CONCLUSION Internet service is bound to be improved in terms of cost and speed with the entry of new industrial giants in the field. But the true benefit of Internet service will be when even the remote parts of World will be able to access the quality Internet, only then World will be truly connected.

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