distinguishing between DSL and ADSL

Until now there may still be confused as to what exactly is the difference between DSL and ADSL.mari we try to understand together the following explanation.
we start from ADSL:ADSL tends to a form of Digital Subscriber Line, a data communications technology that enables faster data transmission over copper cableregular phone compared to existing conventional modem.
The next DSL:a set of technologies that provide digital data passing through the cable conductors used in short distance from the local telephone network.Usually downolad speed of DSL ranges from 128 kbit / d to 24,000 kb / d depending on the DSL technology. Upload speed is lower than download for ADSL and SDSL equally fast.
Distinguishing features of DSL is ADSL capacity flow of data from one direction more than another direction or also calledasymmetric. The organizers usually market ADSL as a form of service to those relating to the Internet is relatively more passive, who want downloaded from the Internet but notso need to run a server which of course is a great need for bandwidth from all directions.
There are two kinds of reasons, namely technical and marketing, why ADSL in many places the most widely offered to home users. From the technical side, there seems to be a lot of crosstalk of the circuit located at the other end lies the digital subscriber line access multiplexer (DSLAM) (where typically many local loop adjacent to one) exceeds thecustomers want. Obviously, upload signal is weakest at the terbising on the local loop. That is what led to the why of the technical side of the transmission rate appears to be higher than thethe rate of customer-owned modems.
For conventional ADSL, the average downstream rate starts at 256 kbit / s and generally can be up to 8 Mbit / s at a distance of 1.5 km (5,000 ft) of the DSLAM equipped central office or remote terminal.The average rate of upstream begins at 64 kbit / s and generally can reach 256 kbit / s and sometimes can also be sped up to 1024 kbit / s.Name ADSL Lite is usually used for the slower version.