Post on 04-Apr-2018
7/31/2019 Internet Service Providers Final
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Outline:
What is an ISP?
Working of an ISP
ISP PolicyISP Business
Accessing ISPs
Future of ISPs
Internet Service Providers
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What is an ISP?
An ISP is a company
that supplies Internet
Connectivity to home
and business
Customers
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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.
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Basic Terms Related to ISPs
IP Adress
Modem
Dial Up DSL
Broadband
Dedicated Lines
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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.
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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
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ISP Business
Major ISPs In India:
VSNL
Satyam Infoway
BSNL
MTNL
Bharti Airtel
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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
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How to become an ISP?
Steps to take:
Category
Entry Fee & Processing Fee
Bank guarantees
Provide Service
Pros and Cons of ISP Business
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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
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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.
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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
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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.
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Presented by:
Devanjan Roy
Dhruv PhadkeNilay Saraf
Thank You!