Patent ID: 7724646

Claim:
A system for implementing service switching, comprising: a primary service processing unit, a physical interface card connected to the primary service processing unit, a control center connected to the physical interface card, a switching unit connected to the primary service processing unit and the control center, and a standby service processing unit connected to the physical interface card and the switching unit, wherein the control center is used for acquiring and determining a working state of the primary service processing unit; when determining that the primary service processing unit is normal according to the working state, managing the physical interface card connected to the primary service processing unit to transmit service data to the primary service processing unit, and when determining that the primary service processing unit fails according to the working state, sending an identifier of a standby service processing unit to the physical interface card and the switching unit, and managing the physical interface card connected to the primary service processing unit to transmit the service data to the standby service processing unit according to the identifier, and managing the switching unit to transmit the service data to be transmitted to the primary service processing unit to the standby service processing unit according to the identifier; the switching unit is used for transmitting the service data to the primary service processing unit or to the standby service processing unit; the physical interface card is used for transmitting the service data to the primary service processing unit or to the standby service processing unit; the primary service processing unit is used for providing the working state of the primary service processing unit when the primary service processing unit is normal; and the standby service processing unit is used for processing the service data when the primary service processing unit fails.