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equilibrium

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Geographic Surveillance and Hotspot Detection for Homeland Security: Cyber Security and Computer Network Diagnostics

whitepaper They have developed models for studying the equilibrium behavior of multidimensional loss systems. Securing the nation's computer networks from cyber attack is an important aspect of Homeland Security.

Tags: network security, element, behavior, models

[10 Apr 2008]

Museum Reduces Content Delivery Time From Days to Minutes

whitepaper The museum chose Equilibrium for Microsoft Office SharePoint Portal Server 2003 as its integrated digital asset management solution. The Denver Museum of Nature & Science serves a membership base of 40,000 households and is the Rocky Mountain...

Tags: application servers

[24 Mar 2008]

Balancing Supply and Demand in IT

whitepaper The model predicts that in a competitive free market, price will function to equalize the quantity demanded by consumers and the quantity supplied by producers, resulting in an economic equilibrium. Their goal: Find balance - a point of equilibrium...

Tags: supply chain management

[19 Mar 2008]

The Price of Stability for Network Design With Fair Cost Allocation

whitepaper The paper studies the quality of the best Nash equilibrium, and refers to the ratio of its cost to the optimum network cost as the price of stability. The best Nash equilibrium solution has a natural meaning of stability in this context - it is the...

Tags: network design

[23 Jan 2008]

The Long Tail of Risk and the Dynamics of the Security Market

whitepaper An organization's platform and its risks are never in equilibrium for long; as long as equilibrium exists, risks are under control and the bad guys are denied their payday. But bad guys need to feed their families, so they're constantly developing...

Tags: innovation, , security market, à

[14 Jan 2008]

Robust TCP Congestion Recovery

whitepaper This paper presents a new robust TCP congestion-recovery scheme to handle bursty packet losses while preserving the self-clocking capability; detect a TCP connection's new equilibrium during congestion recovery, thus improving both link...

Tags: tcp - ip

[14 Jan 2008]

Network Design and Management With Strategic Agents

whitepaper This paper studies the price of stability, i.e.the quality of the best Nash equilibrium compared to the optimum network cost. The best Nash equilibrium solution has a natural meaning of stability in this context: it is the optimal solution that can...

Tags: network design

[11 Jan 2008]

Stochastic Equilibrium Modeling of the TCP Dynamics in Various AQM Environments

whitepaper This paper proposes stochastic packet level models for the NewReno and Tahoe versions of TCP during persistent data transmission. It is shown how throughput and the risk of experiencing time-out depend on the packet error probability.

Tags: tcp - ip

[26 Dec 2007]

Pricing Differentiated Services: A Game-Theoretic Approach

whitepaper The goal of this paper is to study pricing of differentiated services and its impact on the choice of service priority at equilibrium. The paper considers both TCP connections as well as non controlled (real time) connections.

Tags: quality of service

[19 Dec 2007]

A New TCP Congestion Control With Empty Queues and Scalable Stability

whitepaper When a congestion measure signal from links to sources is available, the system can satisfy also the key objectives of high utilization and emptying the network queues in equilibrium. This paper describes a new congestion avoidance system designed...

Tags: tcp - ip

[19 Dec 2007]

Managing Relationship Equilibrium in Outsourcing

whitepaper The intent of governance in outsourcing is to provide a mutually agreed-upon framework for the way a service provider and client will work together to conduct business (the outsourced function) and manage their relationship.

Tags: sarbanes-oxley, provider, relationship, service provider

[12 Dec 2007]

Fluid-Flow Analysis of TCP Westwood With RED

whitepaper A fluid-flow model of the protocol is developed, and it is used to study both equilibrium and dynamic features. On the equilibrium side, the scaling of window with loss-probability is identified, and it is compared to TCP NewReno.

Tags: tcp - ip

[05 Dec 2007]

Fluid-Flow Analysis of TCP Westwood With RED

whitepaper A fluid-flow model of TCPW with RED is developed and it is used to study both equilibrium and dynamic features. On the equilibrium side, the authors identify the scaling of window with loss-probability, and compare it to TCP NewReno.

Tags: tcp - ip

[05 Dec 2007]

Analysis of a Window-Based Flow Control Mechanism Based on TCP Vegas in Heterogeneous Network Environment

whitepaper The paper first derives equilibrium values of a window size of a TCP connection and the number of packets waiting in a router's buffer in steady state. Another version of TCP called TCP Vegas has been proposed and studied in the literature.

Tags: tcp - ip, connection, tcp, window

[05 Dec 2007]

Steady State Analysis of the RED Gateway: Stability, Transient Behavior, and Parameter Setting

whitepaper It first derives the equilibrium values of the TCP window size and the buffer occupancy of the RED gateway. Several gateway-based congestion control mechanisms have been proposed to support an end-to-end congestion control mechanism of TCP...

Tags: tcp - ip

[05 Dec 2007]

Equilibrium and Fairness of Networks Shared by TCP Reno and Vegas/FAST

whitepaper It has been proved theoretically that a network with heterogeneous congestion control algorithms that react to different congestion signals can have multiple equilibrium points. This paper demonstrates this experimentally using TCP Reno and Vegas...

Tags: tcp - ip, protocol, congestion, vegas

[06 Nov 2007]

Fairness Comparison of FAST TCP and TCP Vegas

whitepaper This paper compares the equilibrium properties of FAST TCP and TCP Vegas. Although the two have the same equilibrium point when all sources know their true propagation delays, FAST is fairer when there are estimation errors.

Tags: tcp - ip, tcp, delay, propagation

[30 Oct 2007]

Cross-Layer Optimization in TCP/IP Networks

whitepaper This paper shows that an equilibrium of TCP/IP, if exists, maximizes aggregate utility over both source rates and routes, provided congestion prices are used as link costs. Equilibrium exists if and only if this utility maximization problem and its...

Tags: switching, utility, link, rates

[30 Oct 2007]

Reverse Engineering TCP/IP-Like Networks Using Delay-Sensitive Utility Functions

whitepaper It has recently been shown that an equilibrium of TCP/IP, if exists, maximizes the same delay-insensitive utility over both source rates and routes, provided pure congestion prices are used as link costs in the shortest-path calculation of IP.

Tags: tcp - ip, class, functions, utility

[30 Oct 2007]

TCP Connection Game: A Study on the Selfish Behavior of TCP Users

whitepaper A central question asked is whether there is a Nash Equilibrium in such a game, and if it exists, whether the network operates efficiently at such a Nash Equilibrium. This paper presents a game-theoretic study of the selfish behavior of TCP users...

Tags: tcp - ip, tcp, utility, game

[30 Oct 2007]

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