Broadband Telecommunications

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Example text

The CLECs are literally walking away from the telephone companies' local loop and using their own infrastructure. Add the x−Type Digital Subscriber Line (xDSL) family of products to this equation and the telephone companies are running out of options. The Community Antenna Television (CATV) companies are still outpacing the installation of Internet cable modems compared to the use of DSL services by the Regional Bell Operating Company (RBOC) and the CLECs. The numbers will probably change over time, but the current rate of installation is in the favor of the cable companies.

Most VPN equipment vendors offer corresponding software that runs on a laptop or desktop in order to provide a secure path to the home office over the Internet. Most of the discussion then involves creating a VPN between business locations, branch offices, and road warriors. Encryption The first basic rule is the more secure it is, the less convenient it is to use and the greater impact (negative) it will have on overall system performance. The strength of an encryption mechanism is dependent upon the complexity of the calculation and the length of the key.

Standard Outsourcing Issues A few points are worth making about outsourcing. One must take a realistic look at the task at hand: 29 • If the internal staff possesses the capability to implement the VPN, do they have the time? • If you outsource the whole network, how permanent will the relationship be? • To what extent will the internal staff become involved in the design and maintenance of the VPN? Choose your vendor carefully. Evaluate responsiveness in the areas of presale support, project management, and post−sale support.

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