Presentation is loading. Please wait.

Presentation is loading. Please wait.

Internet Service Providers (ISP) HOW INTERNET SERVICE PROVIDERS WORK.

Published byEmily Lambert Modified over 8 years ago

Similar presentations

Presentation on theme: "Internet Service Providers (ISP) HOW INTERNET SERVICE PROVIDERS WORK."— Presentation transcript:

1 Internet Service Providers (ISP) HOW INTERNET SERVICE PROVIDERS WORK

2 What is the role of an (ISP)? Internet Service Providers (ISP) 'An Internet Service Provider (ISP) is a company that provides a user with access to the Internet, usually for a fee.'

3 Networks Internet Service Providers (ISP) ‘Home’ Local Area Network (LAN) ‘Business Network’ There are small, medium and larger computer networks all needing access to the Internet.

4 The Internet Internet Service Providers (ISP) ‘Home Computer’ Packets of data are transmitted over the Internet using switched technology guided by the IP address of end computer. The Internet ‘Another Computer’ 21.34.129.8628.203.156.94 Packet of data’

5 Transmitting Data packets Internet Service Providers (ISP) ‘Home Computer’ Here is a more detailed arrangement of how data packets are transmitted across a network. Modem Public Telephone Network Router Modem Pool ISP Port Server Router ISP Backbone Router CSU / DSU ‘Another Computer’ LAN 21.34.129.86 28.203.156.94

6 Internet Service Provider (ISP) Internet Service Providers (ISP) ‘Business Network’ Small and large networks connect to an ISP via a point of presence (POP). ‘Home’ ‘Home Network’ POP Conventional Phone Digital subscriber line Cable Modem Point of Presence (POP) Internet Service Provider (ISP)

7 Network Access Point (NAP) Internet Service Providers (ISP) ‘Business Network’ The ISP then connects to a Network Access Point via a T3 line (night data speed through put) POP Conventional Phone Digital subscriber line Cable Modem Point of Presence (POP) Internet Service Provider (ISP) ‘Home’ NAP Internet Service Provider (ISP) T1 Line T3 Line

8 Internet Backbone Internet Service Providers (ISP) ‘Business Network’ POP Conventional Phone Digital subscriber line Cable Modem Point of Presence (POP) Internet Service Provider (ISP) ‘Home’ NAP Internet Service Provider (ISP) T1 Line T3 Line Internet Backbone

9 Internet Service Providers (ISP) ‘Network Access Points’ This is a simplified diagram of how different networks interface. Metropolitan Exchange (MAE) privately owned Internet Service Providers (ISP) NAP Regional ISP Regional ISP Regional ISP Regional ISP MAE Local ISP Local ISP Local ISP Local ISP Local ISP Local ISP ‘Regional ISP’ ‘Local ISP’ Internet Backbone

10 Internet Service Providers (ISP) ‘Network Access Points’ A backbone is typically a fibre optic trunk line (OC carrier) that can carry data at high speed. There are many companies that operate their own high capacity trunk lines (NSP), such as: -IBM -UUNet -CerfNet -BBN -SprintNet -PSINet Metropolitan Exchange (MAE) privately owned Internet Service Providers (ISP) NAP MAE Internet Backbone

11 Following Data Packets Internet Service Providers (ISP) You can follow a datagram through all the different paths taken to end up at the destination IP address. In the windows command prompt tyle in, tracert www.bbc.co.ukwww.bbc.co.uk (or you can perform the following request online: http://traceroute-online.com/

Download ppt "Internet Service Providers (ISP) HOW INTERNET SERVICE PROVIDERS WORK."

Similar presentations

Working at a Small-Medium Business or ISP

Working at a Small-Medium Business or ISP
CCNA Discovery 01 – Computer and Network Fundamentals On the web: cis140lmc.g-school.net © 2011 G-Tech Educational Services Presented by: Phillip Place.

CCNA Discovery 01 – Computer and Network Fundamentals On the web: cis140lmc.g-school.net © 2011 G-Tech Educational Services Presented by: Phillip Place.
Networks & Components Discuss the components required for successful communications Explain the purpose of communications software Identify various sending.

Networks & Components Discuss the components required for successful communications Explain the purpose of communications software Identify various sending.
Internet Hardware Connected ‘Servers’ Servers provide: – Web pages – Email – File downloads.

Internet Hardware Connected ‘Servers’ Servers provide: – Web pages – – File downloads.
1 Computer Networks & The Internet Lecture 3 Imran Ahmed University of Management & Technology.

1 Computer Networks & The Internet Lecture 3 Imran Ahmed University of Management & Technology.
TECHNOLOGY GUIDE 5 Basics of the Internet and the World Wide Web.

TECHNOLOGY GUIDE 5 Basics of the Internet and the World Wide Web.
Lecture 02 Electronic Business (MGT-485). Recap - Lecture 01 Basics of electronic business E-Business Types Benefits of e-business How Internet works?

Lecture 02 Electronic Business (MGT-485). Recap - Lecture 01 Basics of electronic business E-Business Types Benefits of e-business How Internet works?
Internet Connections By Bhupendra Ratha, Lecturer School of Library and Information Science Devi Ahilya University, Indore

Internet Connections By Bhupendra Ratha, Lecturer School of Library and Information Science Devi Ahilya University, Indore
The Internet and Its Uses

The Internet and Its Uses
Computers Are Your Future © 2008 Prentice-Hall, Inc.

Computers Are Your Future © 2008 Prentice-Hall, Inc.
1 Introduction to Networking Lesson 01 NETS2150/2850.

1 Introduction to Networking Lesson 01 NETS2150/2850.
Hardware & Software Needed For LAN and WAN

Hardware & Software Needed For LAN and WAN
1 Networking A computer network is a collection of computing devices that are connected in various ways in order to communicate and share resources. The.

1 Networking A computer network is a collection of computing devices that are connected in various ways in order to communicate and share resources. The.
ISP (INTERNET SERVICE PROVIDERS).  An ISP (or Internet Service Provider) is a company that offers users a connection to the internet. WHAT IS AN ISP?

ISP (INTERNET SERVICE PROVIDERS).  An ISP (or Internet Service Provider) is a company that offers users a connection to the internet. WHAT IS AN ISP?
NETWORKING CONCEPTS. THE INTERNET When 2 or more n/w are connected they become an internetwork or an internet Eg. Assume an organization has two offices.

NETWORKING CONCEPTS. THE INTERNET When 2 or more n/w are connected they become an internetwork or an internet Eg. Assume an organization has two offices.
Networking Technologies

Networking Technologies
Working at a Small-Medium Business or ISP

Working at a Small-Medium Business or ISP
Chapter 2 The Infrastructure. Copyright © 2003, Addison Wesley Understand the structure & elements As a business student, it is important that you understand.

Chapter 2 The Infrastructure. Copyright © 2003, Addison Wesley Understand the structure & elements As a business student, it is important that you understand.
The Internet’s Hardware Much of the hardware components that make up the Internet are owned or shared by thousands of private and public organizations.

The Internet’s Hardware Much of the hardware components that make up the Internet are owned or shared by thousands of private and public organizations.
Temburong School Proposal. The hardware and software that the school will need to set up the internet  Routers; to form intranet. intranet  Form of.

Temburong School Proposal. The hardware and software that the school will need to set up the internet  Routers; to form intranet. intranet  Form of.

Similar presentations

Ads by Google