Satellite Internet Access – Here And Now
Author: All Satellite Site

A major breakthrough in internet availability as far as
occupants of rural areas are concerned is the use of satellites
to provide internet access. People who live too far from a phone
system junction to receive DSL and who also have no cable lines
running through their areas now have a new option. Satellite
internet is also a great source of excitement among those
longing for a better solution for portable internet connections
than their cell phone. Anyone on the move a lot and cannot rely
on a ground line to maintain the contact with the world wide
web can now turn to space in order to access all the internet
provides.

Satellites that provide internet access operate in much the
same way as those that provide television services. The
orbiting satellite receives or sends a signal through a dish
that is connected to a PC or Mac. The information is then
represented on the screen. Satellite internet download speed is
slower than available through cable or DSL, but the modem speed
is usually ten times faster than landline methods. Users of
satellite internet must also have a clear southward view for
their dish, as the satellites used for internet technology have
their orbit above the equator. As with satellite television,
satellite internet transmission can sometimes be interrupted by
storms or trees.

Satellite internet also offers a huge advantage in terms of
bandwidth limitations. The technology used for satellite
internet is called Internet Protocol multicasting, which means
up to 5,000 channels of information can be served
simultaneously by one satellite. IP multicasting sends data
from one point to many points by sending data in compressed
format. Compression reduces the size of the data and the
bandwidth. Usual dial-up land-based terrestrial systems have
bandwidth limitations that prevent this immense amount of
multicasting.

Satellite internet is an ideal innovation for those who
otherwise would find themselves isolated from the information
age through their remote locations.


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