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The paper presents a detailed techno-economic model for LTE networks with inherent coupling of CAPEX and OPEX cost for each real or virtualized network element. The life-cycle phases of a network from the idea to set up a certain product or service, followed by the installation and operation of the network up to the decommissioning of the equipment are taken into account. The work was performed within...
In order to achieve acceptable service quality, the broad spectrum of Internet services requires differentiated handling and forwarding of the respective traffic flows in particular within increasingly overloaded mobile networks. The 3GPP procedures allow for such service differentiation by means of dedicated GPRS Tunneling Protocol (GTP) tunnels, which need to be specifically set up and potentially...
The paper presents a detailed techno-economic model for LTE networks with inherent coupling of CAPEX and OPEX cost elements. Every resource of the developed cost model defines its contribution to the investment and operation costs, which allows for a detailed tracking and reporting of capital and operation expenditures from single elements to complete network abstraction. The internal structure of...
Content Delivery Networks (CDN) are responsible for a large traffic share in today's ISP networks. CDN operators deploy load balancing between their data centers which may cause large traffic fluctuations within an ISP network. These traffic shifts in turn can lead to severe congestion situations if the traffic routing is not able to distribute the load properly. In this paper we first present a traffic...
Video streaming services, such as YouTube, are responsible for a major part of the transmitted data volume in the Internet and it is expected, that they will also strongly affect mobile networks. Streaming video quality mainly depends on the sustainable throughput achieved during transmission. In order to provide an acceptable video quality in mobile networks (with limited capacity resources), traffic...
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