Functionality for secure client authentication and service authorization in a shared communication network are disclosed. A managing network device of a communication network causes a securely connected client network device to perform an account authorization process with an accounting network device in parallel with a service matching process with the managing network device and one or more service providers of the communication network. The managing network device executes the service matching process and securely matches the client network device with one of the service providers. The accounting network device executes the account authorizing process with the client network device and provides a service voucher to the managing network device authorizing one or more of the service providers to service the client network device. The managing network device transmits the service voucher to the matched service provider to prompt the matched service provider to service the client network device.