internet connections

1. Internet
Connections
Presented by:
Sneha Madhu Panicker
Wro0520806
Itt-132
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2. THE INSTITUTE OF CHARTERED
ACCOUNTANT OF INDIA
CERTIFICATE
This is to certify that Miss Sneha Madhu Panicker (Wro0520806)
has successfully completed 100Hrs of ITT training and project on
Internet Connections
CA RAVI RATHI
Chairman
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3. TYPES
OF
INTERNET
CONNECTIONS
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4. • While technology changes at a rapid pace, so do
internet connections.
• The type of internet connection will determine
how much time is spent for uploading or
downloading i.e internet access speed .
• Different types of internet connections are
compared according to their speed, cost and
availability.
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5. VARITIES OR TYPES
• Analog or Dial up
• ISDN
• DSL
ADSL
SDSL
VDSL
• CABLE
• WIRELESS
• LEASED LINES
T1
T3
• SATELLITE 5

6. DIAL UP
Once the most standard form of internet.
Uses telephone lines by the connection taking
over the wire preventing one from making
calls.
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7. Speed:- The
common
speeds were
14.4 kbps,28.8
kbps & 33.6
kbps &
currently the
fastest speed is
56 kbps
Cost :-
Around
20$ per
month
Availability:-
Available
almost
everywhere in
the country
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8. ISDN
Integrated
Service Digital
Network.
Uses full digital
signals over
copper phone
wire
Allows
simultaneous
voice and data
communication
Provides 2-3
times the
performance of
dial up
Offers 2 types of
rates
• Basic Rate
Interface
• Primary Rate
Interface
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9. Speed:-
ISDN offers
connections
ranging
from 64
Kbps to 128
Kbps
Cost:-
• Typically
cost $250
to $500
Availability:-
• Isn’t available
everywhere
More
common in
metropolitan
area
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10. DSL
One of the
most
commonly
used
internet
connectio
n.
Provides
fast
internet
using
phone line
Connectio
n can be
shared
using
wired or
wireless
Main
categories
are:
• ADSL
• VDSL
• SDSL
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11. SDSL
Speed
• -upto 3Mbps
Cost
• -200$ to 300$
-installation cost vary
Availability
• -signals carried lose power as they
travel
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12. ADSL
Speed
• -Downstream Rate-1.5 to 9 Mbps
-Upstream Rate-16 to 640 kbps
Cost
• -200$ to 300$
-installation cost vary
Availability
• -some signal limitations
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13. VDSL
• Offers fast data rates over relatively short
distance
• Speed
• -52 mbits per second
• -16 mbits per second
• Capable of supporting applications such as
high definition T.V
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14. CABLE
• A form of broadband internet connection
• works by using TV channel space for data
transmission
• cable modem can be used to achieve
extremely fast access
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15. • practically deliver 1 Mbps to 10 Mbps for
downloading and 200 Kbps to2Mbps for
uploading
Speed
• Installation costs $100 or more Installation
costs $100 or more
• Monthly fees are between $40 to $60
Cost
• Cable access has no such restriction as
limitation of distance for DSLAvailability
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16. WIRELESS
• Wireless broadband is one of the newest internet connection types
• Provides an always-on connection which can be accessed from
anywhere
• Difficult to find a wireless service provider in some areas
• Typically more expensive
• Mainly available in metropolitan areas.
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17. LEASED LINES
• A leased line is a telephone line that is
rented directly form the telephone
company
• sometimes referred to as direct
connections to the Internet
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18. T1
Popular leased line option for:
-Businesses connecting to the
Internet
-Internet Service Providers (ISPs)
connecting to the Internet
backbone
Consists of 24 individual channels
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19. Speed
• -each channel supports 64 Kbps upto 1.544 mbps
Cost
• -Since the cost runs between hundreds and
thousands of dollars per month T1 lines are not
viable for home and small-business users
Availability
• -Users should contact their local telephone
companies about obtaining a
• leased line.
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20. T3
T-3 lines are dedicated
phone connections
T-3 line actually consists
of 672 individual
channels
used mainly by Internet
Service Providers (ISPs) 20

21. supports
speeds ranging
from 43 to 45
Mbps.
Speed
Prices vary
according to
location,
connection
demands and
other factors.
Cost
Users should
contact their
local telephone
companies
about obtaining
T3
Availability
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22. SATELLITE
This technology is a method by
which Internet content is
downloaded to a satellite dish
and then transmitted directly
from the dish to the user’s PC
satellite technology is not faced
with the problem of pulling wire
through the desert and over
mountains unlike cable and
telephone
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23. Download
speeds are
typically about
600 kbps
Speed
the cost is
around $40 to
$ 70 per month
Cost
expect that in 3-4 years,
the network of satellites
will include nearly the
entire Earth covering
95% of its landmass.
Availability
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