Download A bundle-type algorithm for routing in telecommunication by Claude Lemarechal, Adam Ouorou, Georgios Petrou PDF

By Claude Lemarechal, Adam Ouorou, Georgios Petrou

To optimize the standard of carrier via a telecommunication community, we advise an set of rules in accordance with Lagrangian rest. The bundle-type twin set of rules is customized to the current state of affairs, the place the twin functionality is the sum of a polyhedral functionality (coming from shortest direction difficulties) and of a soft functionality (coming from the congestion function).

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Extra resources for A bundle-type algorithm for routing in telecommunication data networks

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5 A guide to subsequent chapters In Chapters 2–4 of Part A, we expound the fundamental framework and concepts that we use to think about network services. We explain the important concepts of service contract and network control. As examples, we describe the services provided by ATM and the Internet. We introduce the idea of effective bandwidths, which are the key to addressing questions of pricing services that have quality of service guarantees. In Chapters 5 and 6 of Part B, we present some key economic concepts that are relevant to pricing.

We investigate these possibilities in this chapter. Finally, we note that the provision of a service involves not only a flow of information, but also a flow of value. Flow of information concerns data transport, whereas flow of value concerns the benefit that is obtained. One or both parties can benefit from the flow of value. However, if one party enjoys most of the value it is reasonable that he should pay for the service. For example, if an information server sends a customer advertisements then the information flow is from server to customer, but the value flow is from customer to server, since it is the advertiser who profits.

2 A Simple Technology Primer The basic Internet transport service carries information packets between end-points of the Internet in much the same way as the post office delivers letters. Letters that are going to the same city are sorted into large mail bags, which are loaded onto airplanes, and then delivered to a central point in the destination city. The letters are then regrouped into the smaller mail bags that postmen can carry on their routes. Just as the post office uses airplanes, vans and foot, and different size containers and mail bags, so Internet transport service uses many different transport technologies.

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