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Algorithms For Optimizing Bandwidth Costs On The Internet, Micah Adler, Ramesh Sitaraman, Harish Venkataramani
Algorithms For Optimizing Bandwidth Costs On The Internet, Micah Adler, Ramesh Sitaraman, Harish Venkataramani
Ramesh Sitaraman
Content Delivery Networks (CDNs) deliver web content to end-users from a large distributed platform of web servers hosted in data centers belonging to thousands of Internet Service Providers (ISPs) around the world. The bandwidth cost incurred by a CDN is the sum of the amounts it pays each ISP for routing traffic from its servers located in that ISP out to end-users. A large enterprise may also contract with multiple ISPs to provide redundant Internet access for its origin infrastructure using technologies such as multihoming and mirroring, thereby incurring a significant bandwidth cost across multiple ISPs. This paper initiates the …