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Mobile operators face the challenge of huge and sudden demand variation in traffic pattern in their leaf level network nodes. For instance, a football event creates a huge bandwidth demand temporarily at an otherwise empty stadium. This creates a demand concentration scenario in a particular location, though the overall network usage may not change significantly. In another scenario, the resources that operators deploy in business oriented locations is used at peak during the day while during the late evenings, the traffic demand shifts to residential locations, which require a different set of resources to be deployed while the overall demand remains constant
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