City-wide active-active identity authentication system and method

The invention discloses a city-wide dual-active identity authentication system and method. The system comprises an integrated network access module, an A site application service module and a B site application service module, the A site application service module comprises a first global load unit and a first network security authentication service unit, the first global load unit is connected with the integrated network access module, and the first network security authentication service unit is connected with the first global load unit; and the B site application service module comprises a second global load unit and a second network security authentication service unit, the second global load unit is connected with the integrated network access module, the second global load unit is connected with the first global load unit, and the second network security authentication service unit is connected with the second global load unit. According to the method, the requirement of double-site deployment of the ne