Internet payment function is based on the order passed by and between buyer and seller and realize the funds appropriation. Current payment model can be divided into two main model.
1.Gateway model: internet payment panel is only the connector of bank internal financial network and public internet. The major function is to pack the transaction data, encrypt and decode the data, achieve the data transmission finally. The key feature of this model is the bank page pops out in the check out procedure.
2.Panel model: this model is developed and operated by payment company. Online consumer and registered merchant is required to setup account in the payment system. When customer and merchant agrees on a transaction, the customer deposit into the system account by e-bank transfer. Under this model the online payment panel plays the role of credit commitment provides the guarantee for buyer and seller. In the real processing, the third party payment company also provide credit rating analysis for the merchant.
According to the above, technically the two methods are both by SSL Security protocol encryption. It can basically be the certification for payment identification and transaction security. It protects the data integrity and confidentiality.