The terminal includes a first network communication unit, a second network communication unit and a cluster network communication unit.

A network connection computer (GW) connects an access network (AN) for mobile computers (MN) and the communication network (IN).

The communication terminal carries out network packet communication using the SIP servers.

Identifying a questionable network address from a network communication.

A network communicates with the spectrophotometer (10) via the network communication interface (12).

An evaluation module evaluates the network communication for a corresponding network address, which may be for the source or destination of the network communication.

The network communication layer is used for providing an integrated network communications platform, and the service layer includes many kinds of network service.

A plurality of network adapters that are in optical communication with the optical signal bus and in network communication with network terminal devices are provided.