نتایج جستجو برای: congestion management

تعداد نتایج: 871475  

Journal: :The American journal of medicine 2006
Mihai Gheorghiade Gerasimos Filippatos Leonardo De Luca John Burnett

Patients with acute heart failure syndromes (AHFS) typically present with signs and symptoms of systemic and pulmonary congestion at admission. However, elevated left ventricular (LV) filling pressures (hemodynamic congestion) may be present days or weeks before systemic and pulmonary congestion develop, resulting in hospital admission. This "hemodynamic congestion," with or without clinical co...

2011
Natarajan

Congestion in a network or internet creates obvious problems for the end system: reduced availability and throughput and lengthened response times. When a packet is dropped before it reaches its destination, all of the resources it has consumed in transit are wasted. Improving the congestion control and queue management algorithms in the Internet has been one of the most active areas of researc...

2004
Bryan J. Hogan Michael Barry Sean McGrath

As well as suffering from the same congestion causes as fixed networks wireless ad hoc-networks introduce several new congestion factors due to both the medium used and the mobility of the user. Unlike in fixed networks, which utilise predominately end-to-end transport layer solutions, congestion control in an ad-hoc network must be local, fast and adaptive. Congestion management attempts to pr...

2004
Saad Biaz Xia Wang

TCP was designed and tuned to work well on networks where losses are mainly congestion losses. The performance of TCP decreases dramatically when a TCP connection traverses a wireless link on which packets may be lost due to wireless transmission errors. Explicit Congestion Notification (ECN) is known as an effective mechanism that can be used with Active Queue Management (e.g. RED) to control ...

2013
Mohammad Moradi MahmoudReza Haghifam Soudabe Soleymani

In today’s restructured environment, congestion management plays an essential role in power system operation. Different methods are presented and discussed in this respect for congestion management in short-term and long-term intervals. It is attempted in the present paper to investigate the impact mechanism of FACTS devices and demand response programs together with generation re-dispatch as s...

2013
Rupam Deb Md Jashim Uddin Kazi Rafiqul Islam

The problem of traffic management has been widely recognized as critical to the development of an operational Internet. The goal of traffic management is to efficiently allocated network resources including buffers and bandwidth and provides the negotiated QoS guarantees to users. Rate based Congestion control schemes promises effective traffic management for the ABR service class suitable to d...

2004
Saâd Biaz Xia Wang

TCP was designed and tuned to work well on networks where losses are mainly congestion losses. The performance of TCP decreases dramatically when a TCP connection traverses a wireless link on which packets may be lost due to wireless transmission errors. Explicit Congestion Notification (ECN) is known as an effective mechanism that can be used with Active Queue Management (e.g. RED) to control ...

2012
Vaggelis G. Douros Stavros Toumpis George C. Polyzos

The goal of this report is two-fold: Firstly, we present a short introduction on congestion games, a class of non-cooperative games that have received considerable attention by the research community during the last years. We discuss their properties and present their two most prominent extensions, namely weighted congestion games and player-specific congestion games. Secondly, we discuss appli...

1998
Wu-chi Feng Wu-chang Feng

Multimedia applications that transmit long continuous streams of data across the Internet will continue to stress networking technologies for the years to come. To help improve the performance of congestion avoidance protocols like TCP and to punish non-adaptive UDP-based applications, the IETF is considering the widespread deployment of Random Early Detection (RED) queue management. In this pa...

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