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The SSICLOPS consortium recently designed a transparent virtual network expansion mechanism for OpenStack. In this paper, we build up on this mechanism to propose features to improve the interconnection for inter-cloud federations. Based on distributed in-memory databases and High Energy Physics (HEP) workloads as two representative cloud computing workloads, we performed extensive performance evaluations...
Deploying applications in federated clouds is becoming increasingly important. The ability to place application components in various locations is appealing to a large set of distributed applications. Components spread across a number of clouds still need to communicate with each other. Existing solutions for interconnecting clouds are using only single paths between sites, even though clouds typically...
Cloud federation is receiving increasing attention due to the benefits of resilience and locality it brings to cloud providers and users. Our analysis of three diverse use cases shows that existing solutions are not addressing the federation needs of such use case applications. In this paper, we present an alternative approach to network federation, providing a model based on cloud-to-cloud agreements...
Mobile data volume is growing with an annual compound rate of 61% between 2014 and 2019. To cope with the data volume growth, a more dynamic and flexible network is needed. Caching has been deployed by both mobile network operators and content providers to reduce the load on centralized data centers and gateways. In addition, software‐defined networking (SDN) is a prominent solution to more flexibly...
In this chapter, we give an overview of LTE network architecture and its migration toward SDN‐based mobile network. This chapter describes how mobile networks will scale and benefit both mobile operators and end users.
Data consumption is increasing rapidly in mobile networks. The cost of the network infrastructure is increasing, which leads to an "end of profit" within next few years. Thus, mobile operators require a new technology that allows increasing the network capacity within low network costs. Therefore, using caching is the most evident solution to be used in their backhaul networks. However,...
This paper provides an overview of the current LTE architecture and the proposed solutions to integrate Software Defined Network (SDN) technology. The integration of SDN into mobile networks become Software Defined Mobile Network (SDMN), which provides new benefits such as dynamic and efficient caching. Firstly, the paper proposes the integration of SDN in LTE networks on disruptive approach that...
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