To improve the quality and reliability of Forex experts are constantly being developed and refined new technologies interact traders, brokers, liquidity providers and, in fact, most of the money supply. One of the modern systems work is the technology of Non-Dealing Desk, meant by the absolute non-interference of a dealer in trade trader. Ndd brokers handle order flow and redirect their destinations, their profits these companies receive a commission on each transaction. They can work on the technology or ECN ECN + STP. In the latter case, to ensure that all trading orders will be fulfilled trader immediately, otherwise you may receive the latency time of the system.