Patent ID: 6122672
Filing Date: 2000-09-19
Classification: H04L

Abstract:
A method for transmitting messages between networked subscriber units, including generating, at a sender subscriber unit, a message with indication of an address of a message destination subscriber unit, and transmitting the entered message over the network communication channels, said method characterized by the steps of:assigning at least one network service unit from the subscriber units to receive and intermediately store the messages being transmitted;generating, at each of the network elements, both the assigned service units and the other subscriber units, a service signal comprising identification and status information of the respective network element;transmitting the generated service signal at predetermined intervals over the network communication channels;receiving, at each of the network elements, service signals transmitted by the other network elements and processing a stream of incoming service signals to define accessibility of respective network elements;generating an accessibility ranked list of all operative network elements from the received service signals at each of the network elements;transmitting the entered message over a route determined on the basis of the generated ranked list of the network elements.