| 20100182395 | DISTRIBUTED SCHEDULING, CALL CONTROL, AND RESOURCE MANAGEMENT FOR DISPERSED DYNAMIC VIDEO COMMUNICATIONS NETWORKS - Method, system, and computer program product example embodiments of the invention are disclosed to manage multiple network zones interconnected over a wide area network for video conferencing. In one example embodiment of the invention, an interface of a zone controller is configured to receive a first user request to schedule local resources for a video conferencing session within a local network zone. The zone controller is configured to access local services in the zone to schedule the local resources for the video conferencing session. The interface of the zone controller is further configured to receive a second user request to schedule remote resources in a remote network zone for the video conferencing session. A local Network Zone Manager in the zone controller is configured to determine a remote Network Zone Manager responsible for the remote resources in the remote network zone in response to the second user request. The local Network Zone Manager is further configured to send the second request to the remote Network Zone Manager. The local Network Zone Manager is further configured to receive information on availability of the remote resources from the remote Network Zone Manager and pass the information to a local scheduling service in the zone controller, which is configured to then schedule the video conferencing session between the local and remote resources. | 07-22-2010 |
| 20090251529 | NETWORK MANAGEMENT SERVER FOR MANAGING MULTIPLE OPERATING MODES OF A CONFERENCING NETWORK WITH DIFFERENT SETS OF POLICIES - A method, system, and computer program product are disclosed to manage multiple operating modes in a video conferencing network under which different sets of policies can operate. The system is a network management server, designated herein as the Elastic Gatekeeper, that includes a Conference Management System, which selectively implements one or more different sets of operating policies. The Conference Management System is integrated and linked with a gatekeeper, which is responsible for setting up calls that are using end point alias addresses. The gatekeeper works with the Conference Management System to control access to network resources. Upon receiving a request to access a call, the gatekeeper passes the request to the Conference Management System for its approval. The Conference Management System has access to a robust set of policies, a detailed description of the network resources, and an awareness of the current System Operational Mode upon which to base a decision about the conditions and resources that can be granted to the requested call. | 10-08-2009 |
