314 ITU‐T's Technical Reports and Specifications Figure 72 – Cell Broadcast Management Software The proposed system architecture includes the use of a CBC (Cell Broadcast Center) directly driven by a SMART system. The architecture of the system can be summarized under the following diagram: Figure 73 – Architecture Cell Broadcast Center The various inputs, which could be either sensors or human operators, communicate with the system through standard interfaces that operate in protocol CAP (Common Alerting Protocol) which is based on XML and is used for the transmission of public warnings and emergencies. In case of having non‐standard interfaces, conversion is performed on the SSB entity (Sensor Service Bus) which facilitates communication to the SMART system from other systems that do not have support of CAP.