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Inet
Connections
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Inet offers the following types of
connections
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X.28 Dialup at 1200, 2400 & 9600 bits per
second,
X.28 Leased at 300, 600, 1200, 2400, 4800 & 9600 bps,
X.25 Leased at 1200, 2400, 4800, 9600, 19200 & 64000 bps,
X.32 dialup access, as a backup to X.25 Leased (by default), &
Frame relay (provided in group A & group B cities).
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Connections Types :-
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There are basically two types of connections :-
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Dialup Connection: The Dialup connection is recommended for persons requiring not-so-frequent use of Inet and who doesn't require to receive Incoming calls. A NUA and an NUI is allotted to the dialup user.
Leased Connection: A Leased connection allows a subscriber instant Inet access. It is suitable for High data transfer requirements. Server applications can be easily built on it.
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In the Leased connection, an
X28 connection allows only one Data Transfer at a time, while an X25 connection allows multiple persons to communicate at the same time.
X28 is suitable for Mediocre Data Transfer applications, while
X25 is suitable for High Data Transfer or Multiple access applications. For example a Company may decide to take
X28 Dialups for its District Offices, X28 Leased for its Regional Offices and
X25 for its Head Quarters.
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A COMPARISON
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| CONNECTIVITY |
RELIABILITY |
ACCESS TIME |
ACCESS |
| X28 Dialup |
Depends on
Local Exchange |
Call Setup
required |
Single |
| X28 Leased |
Very Reliable |
Instant |
Single |
| X25 Leased |
Very Reliable |
Instant |
Multiple |
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Inet |Network
| Connectivity|
Services | Using Inet
|Connections | Hardware/Software
|Tariff | Apply
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