Today's trend towards network virtualization and software-defined networking enables flexible new distributed systems where resources can be dynamically allocated and migrated to locations where they are most useful. This paper proposes a competitive analysis approach to design and reason about online algorithms that find a good tradeoff between the benefits ...Download Now
The virtualization of resources and networks introduces a decoupling of services from the constraints of the underlying physical infrastructure, allowing for a more flexible and efficient allocation of resources: Resources can be allocated where it is most cost or performance effective, and may even be migrated over time and space. ...Download Now
This paper attends to the problem of optimizing the resource allocation in data centers or cloud networks. The authors' work is motivated by the observation that existing Virtual Network (VNet) embedding algorithms typically waste link resources by embedding communicating virtual nodes to remote locations in the substrate. A simple alternative ...Download Now
This paper attends to the problem of embedding flexibly specified virtual networks connecting cloud resources (e.g., storage or computation) on a given substrate (e.g., a data center, an ISP backbone, a router site, or a virtual provider network). The authors study a scenario where a substrate provider (or a potential ...Download Now
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