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Defending Against Distributed Denial-of-Service Attacks With Weight-Fair Router Throttling

A high profile internet server is always a target of denial-of-service attacks. This paper proposes a novel technique for protecting an internet server from distributed denial-of-service attacks. The defense mechanism is based on a distributed algorithm that performs weight-fair throttling at the upstream routers. The throttling is weight-fair because the...

Tags: St. Louis, Router, Distributed Denial Of Service, Internet Server, Defense Mechanism, Internet, Routers & Switches, Network Technology, Networking, Security

White papers 2008-07-01

Middleware Support for Aperiodic Tasks in Distributed Real-Time Systems

Many mission-critical distributed real-time applications must handle aperiodic tasks with end-to-end deadlines. However, existing middleware (e.g., RT-CORBA) lacks schedulability analysis and run-time enforcement mechanisms needed to give online real-time guarantees for aperiodic tasks. The primary contribution of this paper is the design, implementation, and performance evaluation of the first realization...

Tags: St. Louis, Mechanism, Admission, Middleware, Enterprise Software, Software

White papers 2008-01-01

Integrated Adaptive QoS Management in Middleware: An Empirical Case Study

Distributed Real-time and Embedded DRE systems in which application requirements and environmental conditions may not be known a priori - or which may vary at run-time - can benefit from an adaptive approach to management of Quality-of-Service QoS to meet key constraints, such as end-to-end timeliness. This paper offers two...

Tags: St. Louis, QoS, Middleware

White papers 2008-01-01

105.7 The Point Widget Player 1.1 (Windows)

Live Web stream from 105.7 The Point in St. Louis, Missouri. This version is the first release on CNET Download.com.

Tags: St. Louis, Missouri, Joe Theisman, Microsoft Windows, Channel Management, Operating Systems, Software, Marketing

Software downloads 2007-06-20

Streaming Data From Disk Store to Application

Filesystem read performance is a critical issue for many applications. On the other hand, storage systems are typically configured with little or no knowledge of the properties of the applications that will use them. This paper presents empirical performance measurements of data throughput from disk store to application. A number...

Tags: St. Louis, Application, Disk

White papers 2007-03-20

Automatic Application-Specific Customization of Multi-Processor Microarchitecture

Reconfigurable logic devices offer new and interesting opportunities for application-specific customization and processor configuration. However, the most compelling optimization problems in this area are NP-hard. This paper customized the microarchitecture of a single processor core for a target application by viewing it as a multi-objective constrained integer nonlinear optimization problem....

Tags: St. Louis, Multiprocessor, Customization, Processors, Semiconductors, Hardware, Components

White papers 2007-03-08

Major Brands Toasts the Benefits of Digital Documents

With nearly 600 employees and offices in St. Louis, Kansas City, Springfield, Columbia and Cape Girardeau, Major Brands is Missouri's largest wholesale distributor of wines and spirits. Its business may be beverages, but Major Brands still has to efficiently manage an enormous quantity of a commodity that was anything but...

Tags: St. Louis, Cabinet, Brand, Benefit, Office, RJS Software, Food & Beverage, Desktops, E-mail, Manufacturing, Hardware, Online Communications

Case studies 2007-02-12

Smartacking: Improving TCP Performance From the Receiving End

This paper presents smartacking, a technique that improves performance of Transmission Control Protocol TCP via adaptive generation of acknowledgments ACKs at the receiver. When the bottleneck link is underutilized, the receiver transmits an ACK for each delivered data segment and thereby allows the connection to acquire the available capacity promptly....

Tags: St. Louis, Window, TCP, Tcp/Ip, Construction, Productivity, Networking

White papers 2007-01-01

Robust TCP Stream Reassembly in the Presence of Adversaries

There is a growing interest in designing high-speed network devices to perform packet processing at semantic levels above the network layer. Some examples are layer-7 switches, content inspection and transformation systems, and network intrusion detection/ prevention systems. Such systems must maintain per-flow state in order to correctly perform their higher-level...

Tags: St. Louis, Network, TCP, Tcp/Ip, Networking

White papers 2007-01-01

Programming With Proofs: Language-Based Approaches to Totally Correct Software

Tremendous progress has been made in automated and semi-automated verification since the seminal works on program verification. Automated deductive techniques like model checking have been highly successful for many verification tasks. Impressive advances continue to be made in static analysis, type systems, and static bug finding. These approaches aim to...

Tags: Software, St. Louis, Approach, Programming, Productivity, Development Tools, Software Development, Software/Web Development

White papers 2006-12-23

WU BLAST 2.0 2006-01-01 (Mac)

Faster at any sensitivity, more sensitive at any speed, WU-BLAST is the original BLAST with gapped alignments and statistics, supporting virtually unlimited size sequences, unlimited size databases and more important features for the power user than ever before. Gapped alignments and Sum statistics in all search modes (BLASTP, BLASTN, BLASTX,...

Tags: Alignment, St. Louis, Apple Macintosh, Processors, Semiconductors, Hardware, Components

Software downloads 2006-01-15

Software Project Management Plan for 'Telemetry Display and Archival on Linux Platform'

The project presented in this paper evaluates the process of Altitude and Orbit Control Electronics package. It involves communication between satellite and earth stations through the Telemetry subsystem in the satellite. Status of the spacecraft is available in the telemetry buffer. Thus the authors will need to retrieve the status...

Tags: St. Louis, Linux, Software Project Management, Software Project, Telemetry, Satellite, RPC, Network Technology, UNIX, Operating Systems, Networking, Software

White papers 2005-04-29

The Americana Collection 1.0 (Mobile)

Celebrate the American experience with these three classics: "The Journals of Lewis and Clark,"James Fenimore Cooper's "The Last of the Mohicans" andNathaniel Hawthorne's "The Scarlet Letter." When Thomas Jefferson became President in 1801, the western boundary of theUnited States was the Mississippi River, and two-thirds of all U.S. citizens lived...

Tags: St. Louis, Mobile, Palm Inc., Oregon, eReader, Rampart Software Development, Americana Collection, 1812.William Clark, E-books, Personal Technology

Software downloads 2003-11-12

Additional Resources

Justice says $1.9 million verdict is constitutional

Are there no restraints built into the constitution ...... concerning punishments fitting the crime when it comes to statutary law? Does this mean that it is perfectly legal for Congress to pass a law stating that it is e.g. okay to amputate a man's hands or even hang him, if...

Tags: Financial accounting, RIAA, activist judge, U.S. Congress

Discussion threads 2009-08-17

Justice says $1.9 million verdict is constitutional

Jammie Thomas-Rasset was hit with a $1.9 million verdict for filesharing 24 songs -- roughly $80,000 per song. Is that even constitutional? Thomas-Rasset's lawyers filed an appeal saying it's not. Friday, the Justice Department weighed in with an opinion that it is PDF. Under the Copyright Act's...

Tags: Damage, Thomas-Rasset, Richard Koman

Blog posts 2009-08-17

Verizon trashes AT&T over its lousy event coverage

Verizon trashes AT&T over its lousy event coverageAs long as customers are willing to buy ...Jason,AT&T must feel that as long as people are willing to purchase an iPhone knowing full well that they have to also subscribe to AT&T's service, they really don't have to do much to make...

Tags: Smart phones, AT&T Corp., Verizon Communications Inc., Apple iPhone, network

Discussion threads 2009-07-28

To the Moon: Boeing, the Rocket Foundry

The historic Apollo 11 mission in July of 1969 culminated in the first manned moon landing. While many of the proud Americans who were involved in that project are no longer with us 40 years later, the technologies they built still live on, will be further refined, and will return...

Tags: Foundry Networks Inc., Boeing Co., S-IC, Aerospace & Defense, Manufacturing, Jason Perlow

Blog posts 2009-07-10

TealGlance Plus 4.12 (Mobile)

Today View and Key Guard: Welcome Day View A pop-up key guard and appointment reminder, TealGlance shows a "quick view" window on power-up showing commonly-needed information such as date, time, day of the week, upcoming datebook appointments, unchecked tasks (to-do list items), and the current battery level. Special Functionality A...

Tags: Shareware, Mobile, TealPoint Software, Palm OS, Mobile Operating Systems, Handhelds, Operating Systems, Software, Hardware

Software downloads 2009-07-08

Modern threats to American liberty

Cash, currency and coins, is a store of value. In the US, "legal tender for all debts, public and private." Carry too much of it though and you are marked for suspicion (per the Wall Street Journal]: Steven Bierfeldt, treasurer for the Campaign for Liberty, a political...

Tags: American Civil Liberties Union, Transportation Security Administration, Government, ATM, Policies And Procedures, Storage, Internet, Networking, Human Resources, Hardware, Robin Harris

Blog posts 2009-07-04

Ameren Corporation Automates Data Profiling and Aggregation for 2.5 Million Utility Meters

St. Louis-based Ameren Corporation wanted to aggregate and profile customer-level meter data quickly for accurate consumption analyses and improved responses to changes in demand and deploy a single, integrated system capable of forecasting, profiling, and aggregating meter reads within a short amount of time. The challenge was to provide ability...

Tags: Ameren Corp., Sales Force Management, Sales

Case studies 2009-07-01