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ADSL2: a sequel better than the original?

ADSL2: a sequel better than the original?

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The growing number of applications based on IP network infrastructure has introduced the need for greater symmetry in broadband connectivity. Following the rapid success of ADSL deployments around the world, a new flavour of the standard, ADSL2, is promising more than double upstream rates and backward compatibility with existing customer premise equipment (CPE). Based on a series of measurements performed on a real-life testbed network, it is possible to get a valuable insight into the performance and interoperability capabilities of ADSL2 technology. The evaluation of the results indicates that the migration towards an ADSL2 infrastructure can be both economically viable and technologically efficient, even without upgrading existing CPEs. This offers the provider a cost-effective solution to address growing customer needs while keeping in pace with the advancing technology.

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