In general, network traffic is classified and marked at the edge-or ingress-routers of a transit network to permit different levels of QoS when using the DiffServ architecture. Thus, the core-nodes of a network are able to handle the traffic accordingly. Problems in the process of identification of traffic flows and their associated applications, for example because of encryption, avoid the classification of network traffic. This can be improved by relocating the functions of classifying and marking towards the network traffic generating hosts. The great benefit of the relocation is that applications can be identified in any case. In addition, pre-shaping of network traffic becomes possible. Unfortunately, the set of rules for classification and marking on hosts is always static in its behavior so that it would not be possible to map dynamics, for example, of business processes to the set of rules or its interpreter. Therefore, it has to be possible that the marking of packets depends on their temporal execution context and, thereby, on the business processes. In this paper, we present an efficient solution that considers business processes in host-based QoS management systems. The applied QoS management system considers the dynamic requirements of business processes and works application-independent. The performance of the system, introduced by its efficient design, is analyzed and its benefits are discussed.
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