ECN (Electronic Communication Network) Electronic communication network selects the most favorable price for customers to hold positions in banks and foreign exchange trading platforms, and brokerage companies earn appropriately low commissions. The cost of ECN is divided into two parts, one is commission, which is generally very low. The other part is the price difference. The spread is not fixed. For example, when active, the euro is usually a little different. Brokerage companies do not earn spread fees.
STP (Spanning Tree Protocol) is the abbreviation of Spanning Tree Protocol. This protocol can be used to establish a tree topology in the network, eliminate loops in the network, and achieve path redundancy through certain methods, but it is not necessary. Spanning tree protocol is suitable for all manufacturers' network equipment, with different configuration and functional strength, but the principle and application effect are the same.