Internet Service Providers Final

7/31/2019 Internet Service Providers Final

1/17

Outline:

What is an ISP?

Working of an ISP

ISP PolicyISP Business

Accessing ISPs

Future of ISPs

Internet Service Providers


2/17

What is an ISP?

An ISP is a company

that supplies Internet

Connectivity to home

and business

Customers


3/17

What is an ISP?

ISPs are places that hold big computers (servers)

These serves hold critical information about

location of different computers around the globe.

Smooth functioning of ISPs depend on efforts

from individuals, governments and corporations.


4/17

Basic Terms Related to ISPs

IP Adress

Modem

Dial Up DSL

Broadband

Dedicated Lines


5/17

Detailed Working

For connection to the internet one needs amodem and an ISP connection.

Step by Step Functioning:

Login to your ISP.

Obtaining dynamic IP address from ISP.

Type name of URL on address bar.

ISP searches for address of server that holds the

requested address. Transfer of requested webpage through arrays of

dedicated lines and routers.


6/17

ISP Policy

Categories of ISPs: Category 'A'

Category 'B'

Category 'C

Period of Validity of the Licence

Financial conditions: License Fee

Bank Guarantee (FBG & PBG)

Tariff


7/17

ISP Business

Major ISPs In India:

VSNL

Satyam Infoway

BSNL

MTNL

Bharti Airtel


8/17

List of ISPs having all-India

License in India

BSNL CMC RPG InfotechEssel Shyam

Communications

Sify Siti Cable Network Gateway Systems (India)World Phone Internet

Services

VSNL Guj Info PetroHughes Escorts

Communications

Astro India Networks

ReliancePrimus

Telecommunications IndiaERNET India RailTel Corporation

Data Infosys GTL Jumpp India L&T Finance

HCL Infinet Primenet Global Tata Internet Services Tata Power Broadband

Bharti Infotel Pacific Internet India In2Cable (India) Reliance EngineeringAssociates

BG Broad IndiaSwiftmail

CommunicationsEstel Communication Bharti Aquanet

Trak Online Net India Spectra Net Reach Network India i2i Enterprise

Tata Teleservices

(Maharashtra)

Comsat MaxGujarat Narmada Valley

Fertilizers Corporation

HCL Comnet Systems

and ServicesHarthway Cable


9/17

How to become an ISP?

Steps to take:

Category

Entry Fee & Processing Fee

Bank guarantees

Provide Service

Pros and Cons of ISP Business


10/17

Accessing ISPs

Consumers can access their ISPs through

different means such as:

Dial-up connection

Broadband technologies

GPRS (General Packet Radio Service) & 3G

(Third Generation mobile telecommunication)

services for mobile access


11/17

Dial-up Connection

Dial-up access is a form of Internet access viatelephone line.

The client uses a modem connected to a

computer and a telephone line to dial into an

ISP's node to establish a modem to modem link,

which is then routed to the internet.

Dial-up connection is the slowest internet

connection, it is 17-53 times slower than

broadband connection.

It is not possible to make or receive phone calls

when connected to the Internet.


12/17

Broadband Technologies

Broadband technology refers to the means by

which access can be made faster with greater

bandwidth. There are several such technologies,

of which the main types are : Digital Subscriber Line (DSL)

Cable Modems

Other means


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DSL

Limitations of cable infrastructure

High-bandwidth Internet access over existing

phone wiring

Most commonly used means of broadband

technology

It modulates binary data into sonic frequencies

above 20 kHz

This enables user to make or receive calls whenconnected to Internet without interference

Speeds upto 6 mbps can be delivered


14/17

Cable Modems

High speed Internet access over cable modems

Uses the Hybrid Fiber Coax (HFC) or the all-

coaxial infrastructure of the local cable provider

Speeds range from 500kbps to 30mbps This bandwidth satisfies the current scale

requirement though it is expected to face

scalability issues in future


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Other Broadband Technologies

These include:

Passive Optical Networks (PON)

Wireless LAN and LMDS (Local Multipoint

Distribution Service)

Asynchronous Transfer Mode (ATM)

10/100/1000 Mbps Ethernet

Other connection means include connection viasatellite, electric power lines etc.


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The Future of ISPs?

Depends on competitive forces

Increasing demand

ISPs will become increasingly important as more

information is communicated by the Internet

Increasing research in ISP sciences

An interesting new development is the

introduction of new domain names. Instead of the

traditional .com, .org and .net there is now .bizand .info.


17/17

Presented by:

Devanjan Roy

Dhruv PhadkeNilay Saraf

Thank You!

Internet Service Providers Final

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