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The content delivery network (CDN) intensively uses cache to push the content close to end users. Over both traditional Internet architecture and emerging cloud-based framework, cache allocation has been the core problem that any CDN operator needs to address. As the first step for cache deployment, CDN operators need to discover or estimate the distribution of user requests in different geographic...
This paper addresses the problem of service function chaining in a network. Currently, problems of chaining services in a network (i.e., service function chaining) can be broadly categorised into middlebox placement in a network and packet steering through middleboxes. In this work, we propose a One Pass Packet Steering (OPPS) approach for use in multi-subscriber environments, with the aim of reducing...
While there are many motivations to virtualize networks, easing their management is probably one of the most important reasons. However, the choice of the network abstraction model that will be used to abstract the physical infrastructure represents a major challenge, given that this choice will have a significant impact on what an administrator can see and do. In this article, we present a new domain...
The topology of networks typically remains static over long periods of time, giving attackers the advantage of long planning cycles to develop, test, and refine targeted attacks. The CINDAM design preempts the attacker by creating ephemeral, per-host views of the protected enclave to transform the constant topology of computing networks into deceptive, mutable, and individualized ones that are able...
Information Centric Networking (ICN) paradigms aim at optimizing computer networks for information distribution. Named Data Networking (NDN) and its implementation CCNx propose a promising globally implementable ICN. Routing on names, however, may result in extremely large global routing tables. In this paper, we propose to confine the global routing table size by decoupling context-related names,...
Optical grids are widely deployed to solve complex problems we are facing today. An important aspect of the supporting network is resiliency i.e. the ability to overcome network failures. In contrast to classical network protection schemes, we will not necessarily provide a back-up path between the source and the original destination. Instead, we will try to relocate the job to another server location...
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