The Future of Computing

Taking into consideration the rapid rate of change in computer and related technologies today, what is in store for us in the future? Several new computer designs are currently being researched by leading PC manufacturers. Some of these designs have yielded promising test results, and possibly will lead to new types of computer architecture some of which are listed below.

1. Quantum Computing Model:
   
   

   It is based on reading the alignments of individual atoms in a magnetic field. They aren't limited by the binary nature of the classical physical world of bits, however they depend on observing the state an atom or quantum bits that might represent a one or a zero, for reasons that atoms change energy states very quickly, much quickly than even the fastest computer processors.

2. Molecular Computing Model:
   
   

   On this architecture researchers are trying to create tiny circuits out of single molecules instead of the current transistors we are using. Its effect will reduce the size of a computer processor to the size of a molecule.

3. DNA Computing Model:
   
   

   The DNA model is based on reading the condition of a DNA molecule as either open?or closed?

All the models potentially reduce the size of the basic processor to the nanometer (billionth of a meter) range, thereby providing for power computing, complex problem solving and computers to be smaller than the size of a living cell. Hewlett Packard (HP) has won the Nano-chip Patent.

The latest and the greatest processor I currently find in the computer world is the new Intel Core 2 Quad Processor. I find it to be the most powerful processor available in the market right now.

Continue reading more about the Future of Computing Technology

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VPN Over Satellite

Satellite Internet services offer high speed Internet connections to offices and homes across the US. The connections are fast and comparable to broadband, DSL and cable modem. The transponders used for transmitting the signals are placed at a distance of 22,300 miles above the equator. The time required for a signal to cover the two-way distance is approximately 480 milliseconds and it is known as latency time. There is another latency time between the network operations center and the World Wide Web. These two time factors add to a total latency time of around 600 milliseconds from the time the signal emits from the dish to the time it is received back at the dish. This is known as the ping time. The ping time causes delay hence, Satellite Internet is not considered suitable for many real-time applications. We shall see some of the drawbacks that are caused by ping time delays.

As a home user if you want to play online games Satellite Internet may not be the ideal option. Setting-up virtual private networks (VPN) through Satellite Internet is not a viable proposition. There are many new technologies being developed to overcome the delay in ping times. One such technology is RELIA technology which has pending US patents. This technology overcomes long ping times and packet loss, improving the performance and reliability of Satellite Internet services. The technology has been developed by Niwot Networks. Apart from ping time delays there are factors such as packet loss which hamper the quality of Satellite Internet communication. RELIA helps in reducing ping time and packet delays that happen if data and voice packets are transmitted over naked TCP.

There is reason for Satellite Internet users to be glad. The tests carried out with this new technology prove that RELIA will definitely help Satellite Internet providers in reducing ping time. In one particular test carried out with 10 files of 1 Mb, losing 8 packets out of 200 with 600 milliseconds ping time, the naked TCP connections failed 72 out of 133 trials before all the files were transferred which is 63%. When RELIA technology was used the failure time was only 7%. It would not be surprising to see that leading Satellite Internet providers such as HughesNet using this technology over naked TCP to reduce ping times.

Satellite Internet subscribers have to wait for faster browsing experience until technologies are stabilized. There are companies which make gateways for Satellite Internet providers to handle packet delay and loss. Satellite Internet providers are weighing different options to offer better browsing experience to subscribers. HughesNet, one of the leading service providers has 325,000 connections presently across the United States and serves 99% of all US zip codes. The numbers prove that Satellite Internet is slowly catching up and it would not be long before it captures more market share from other service providers offering DSL, broadband and cable modem connectivity.

HughesNet offers high speed Satellite Internet to rural areas where DSL and Cable modem do not reach.

More Info:
http://www.getdsltoo.com

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