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A system for determining a multicast domain for a node on a computer network is disclosed. The system includes a computing device and a computer-readable medium. The computer-readable medium is part of the computing device or is in electronic communication with the computing device. The computer-rea

A system for determining a multicast domain for a node on a computer network is disclosed. The system includes a computing device and a computer-readable medium. The computer-readable medium is part of the computing device or is in electronic communication with the computing device. The computer-readable medium comprises executable instructions for implementing a method for determining the multicast domain for the computing device. A destination is obtained that comprises a computer on the computer network. A unique identification is determined for a first router encountered when sending data from the computing device to the destination. A multicast domain identification is prepared based on the unique identification determined. The multicast domain identification is sent to an administrative system on the computer network.

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What is claimed is: 1. A method for determining a multicast domain for a node on a computer network, the method comprising: obtaining a destination comprising a computer on a computer network, wherein the same destination is obtained for each of a plurality of nodes on the computer network that sen

What is claimed is: 1. A method for determining a multicast domain for a node on a computer network, the method comprising: obtaining a destination comprising a computer on a computer network, wherein the same destination is obtained for each of a plurality of nodes on the computer network that send data to the destination; determining a unique identification for a first router encountered when sending data from a node to the destination, wherein the node itself determines the unique identification for the first router; preparing a multicast domain identification based on the unique identification determined; and providing the multicast domain identification to a central location. 2. The method of claim 1, further comprising determining a specific port of the first router encountered and including a specific port identification in the multicast domain identification. 3. The method of claim 1, wherein the central location comprises an administrative system that includes a database of multicast domains. 4. The method of claim 1, wherein the multicast domain identification comprises a router or similar network device identification and a port identification. 5. The method of claim 1, further comprising reporting files that are in a multicast domain cache. 6. A computer-readable medium for storing program data, wherein the program data comprises executable instructions for implementing a method in a computing device for determining a multicast domain for a node on a computer network, the method comprising: obtaining a destination comprising a computer on a computer network, wherein the same destination is obtained for each of a plurality of nodes on the computer network that send data to the destination; determining a unique identification for a first router encountered when sending data from a node to the destination, wherein the node itself determines the unique identification for the first router; preparing a multicast domain identification based on the unique identification determined; and providing the multicast domain identification to a central location. 7. The computer-readable medium of claim 6, further comprising determining a specific port of the first router encountered and including a specific port identification in the multicast domain identification. 8. The computer-readable medium of claim 7, wherein the central location comprises an administrative system that includes a database of multicast domains. 9. The computer-readable medium of claim 8, wherein the multicast domain identification comprises a router or similar network device identification and a port identification. 10. The computer-readable medium of claim 9, further comprising reporting files that are in a multicast domain cache. 11. A system for determining a multicast domain for a node on a computer network, the system comprising: a computing device; a computer-readable medium that is part of the computing device or in electronic communication with the computing device, the computer-readable medium comprising executable instructions for implementing a method for determining the multicast domain for the computing device, the method comprising: obtaining a destination comprising a computer on the computer network, wherein the same destination is obtained for each of a plurality of nodes on the computer network that send data to the destination; determining a unique identification for a first router encountered when sending data from the computing device to the destination, wherein the node itself determines the unique identification for the first router; preparing a multicast domain identification based on the unique identification determined; and sending the multicast domain identification to an administrative system on the computer network. 12. The system of claim 11, further comprising determining a specific port of the first router encountered and including a specific port identification in the multicast domain identification. 13. The system of claim 11, wherein the multicast domain identification comprises a router or similar network device identification and a port identification. 14. The system of claim 11, wherein the method further comprises reporting files that are in a multicast domain cache on the computing device.