The paper describes the traffic handling mechanisms implemented in the AQUILA pilot QoS IP network [10]. The AQUILA project enhances the DiffServ architecture concept [1,2,3] by adding new functionality for admission control and resource management as well as by defining new set of network services. Each network service is optimised for specific type of traffic (e.g. nonreactive and reactive) a...

This paper discusses the evolution of the congestion controls that govern all Internet traffic. In particular we chronicle and discuss the implications of the fact that the most significant "congestion signals" are increasingly coming from network operators, not the TCP stack. Providers now nudge users into different traffic patterns using a variety of new technical and non-technical means. The...

In this paper we present the traffic management functions in Asynchronous transfer mode (ATM) networks. In the first part of the paper commonly used traffic models for ATM traffic are discussed. Traffic management and its functions in the network are presented in the next part of the paper. Then connection admission control methods (CAC) as preventive traffic management mechanism are then prese...

(ABSTRACT) Traffic congestion has been cited as the most conspicuous problem in traffic management. It has far-reaching economic, social and political effects. Intelligent Transportation Systems (ITS) research and development programs have been assigned the task of developing sophisticated techniques and counter-measures to reduce traffic congestion to manageable levels, and also achieve these ...

This paper reports our experiences with agent-based architectures for Intelligent Traffic Management. We describe and compare TRYS and TRYSA2, two multiagent systems that perform decision support for real time traffic management in the urban motorway network around Barcelona. Both systems draw upon similar traffic management knowledge, but the former is based on a centralised architecture, whil...

Due to a wide variety of traffic requirements, the design, dimensioning and traffic management of Broadband Integrated Services Digital Networks (B-ISDN) involves the application of diverse methods and theories. In this paper we formulate a model which aims to combine results on the probabilistic analysis of congestion in the network with optimisation of traffic routing decisions. The optimizat...

With the rapid development of smartphones in recent years, we have witnessed an exponential growth of the number of mobile apps. Considering the security and management issues, network operators need to have a clear visibility into the apps running in the network. To this end, this paper presents a novel approach to generating the fingerprints for mobile apps from network traffic. The fingerpri...

In traditional traffic assignment procedure, each traffic analysis zone is represented by one point in its geometric center which is connected to the network by several connectors. Results of studies show that different connector patterns would result up to 10% change in estimated volume and up to 20% change in total travel time. Also the different patterns of connectors can change the priority...

Accurate per-application network traffic characterization is becoming increasingly difficult in the face of emerging applications that use dynamically negotiated port numbers. At the same time, information about the contribution of different network applications and services to the traffic mix is highly demanded by network administrators for facilitating effective network management and traffic...