What are the the different types, such as ADSL and SDSL?
The common types of DSL are ADSL, SDSL, and IDSL. These simply represent different categories of DSL service. ADSL is asymmetric (in that the data rate towards you is higher than the data rate from you). This is an excellent match for locations such as homes and small businesses where web browsing is the predominant activity: the speed is where you need it most. Note that in general even the outbound data rate is significantly higher than you’d get with a dialup modem. SDSL is symmetric (the same data rate in both directions). SDSL is a good choice when you need to provide data as well as browse the Internet, for example if you often need to send large files, or if you run a web or other kind of server. IDSL is DSL that operates over a phone line configured for ISDN operation. (ISDN stands for Integrated Service Digital Network, and an ISDN line is like a telephone line that carries digital data at 64Kbps or 128Kbps). If your location is far away from the telephone company Central Offi
