pennsylvania state university

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A Study on Using Network Flows in Hierarchical QoS Routing

QoS routing is the process of routing a connection based on the connection's resource requirements. The overhead involved in QoS routing increases with the network size. State aggregation is an important technique that helps to reduce the overhead. This paper proposes a new state aggregation technique based on "Network-flow". The...

Tags: Technique, Pennsylvania State University, QoS, Network, Domain, Productivity

White papers 2008-01-01

Sensor Relocation With Mobile Sensors: Design, Implementation, and Evaluation

Mobile sensors are useful in many environments because they can move to increase the sensing coverage. This paper presents a mobile sensor prototype in which the Mica2 sensor node is used to control the movement of the robot built with Commercial Off-The-Shelf COTS components. The authors use a sensor relocation...

Tags: Pennsylvania State University, Mobile, Sensor, Mobile Sensor, Advertising & Promotion, Marketing

White papers 2007-07-23

Distributed Software-Based Attestation for Node Compromise Detection in Sensor Networks

Sensors that operate in an unattended, harsh or hostile environment are vulnerable to compromises because their low costs preclude the use of expensive tamper-resistant hardware. Thus, an adversary may reprogram them with malicious code to launch various insider attacks. Based on verifying the genuineness of the running program, the paper...

Tags: Software, Pennsylvania State University, Network, Sensor, Attestation

White papers 2007-07-19

Why do we trust established search engines?

The answer is simple: because we trust well-known brands more than others. Researchers from Penn State University PSU have integrated Google results pages into pages looking like coming from other search engines, such as Yahoo!, MSN Live Search or an in-house PSU search application. Then they asked a panel of...

Tags: Social Sciences, Computers &, Internet

Blog posts 2007-06-30

Combinatorics of TCP Reordering

This paper studies a combinatorial problem motivated by a receiver-oriented model of TCP traffic from, that incorporates information on both arrival times, and the dynamics of packet IDs. It shows that given a buffer sequence B, constructing a sequence A of IDs that belongs to the preimage of B is...

Tags: Pennsylvania State University, Packet, TCP, Bound, Tcp/Ip, Networking

White papers 2007-04-10

Let There Be Light and Broadband Internet

Home users are in need for broadband communications access, globally. Broadband over power-lines transmission has advanced throughout the last decade, and it is going to be a mature last-mile access in near future. Meanwhile, indoor optical wireless communications optical WiFi through lighting LEDs has been investigated, recently. Suitable channel models...

Tags: Pennsylvania State University, Internet, Home User, Broadband, Channel Model, Broadband Internet, Network Technology, Telecommunications, Networking

White papers 2007-02-08

Graceful Operation of Disk Drives Under Thermal Emergencies

Thermal-aware design of disk-drives is an important concern because high temperatures can cause reliability problems. Hence, Dynamic Thermal Management DTM has been proposed to operate the disk at the average case, rather than the worst case by modulating the activities to avoid thermal emergencies at run time while pushing the...

Tags: Pennsylvania State University, Disk, Disk Drive

White papers 2007-01-06

Mitigating Attacks on Open Functionality in SMS-Capable Cellular Networks

The transformation of telecommunications networks from homogeneous closed systems providing only voice services to internet-connected open networks that provide voice and data services presents significant security challenges. For example, recent research illustrated that a carefully crafted DoS attack via text messaging could incapacitate all voice communications in a metropolitan area...

Tags: Pennsylvania State University, SMS, Attack, Text Messaging/SMS/MMS, Modems, Telephony, Cable, Internet, Cellular Phones, Telecommunications, Security, Consumer Electronics, Personal Technology, Online Communications, Hardware, Components, Networking

White papers 2006-10-03

When Mother Nature gets frustrated...

When you make a choice between two things, be it a place for your next vacation or a decision about your job, one part in you is satisfied while another is frustrated. The same phenomenon exists in nature, where this state of frustration is an important factor of interaction between...

Tags: Pennsylvania State University, atom

Blog posts 2006-01-24

Hacking Techniques in Wired Networks

Wired networks, especially the Internet, have already been indispensable in the daily activities. However, in the last 10 years, security "Disasters" have challenged the design and development of networks and systems. Vulnerabilities in current systems are frequently exploited by hackers and attackers. Cyber attacks have become a more and more...

Tags: Pennsylvania State University, Cyberattack, Hacking, Security, Viruses And Worms

White papers 2004-05-21

Interplay of Energy and Performance for Disk Arrays Running Transaction Processing Workloads

The growth of business enterprises and the emergence of the Internet as a medium for data processing has led to a proliferation of applications that are server-centric. The power dissipation of such servers has a major consequence not only on the costs and environmental concerns of power generation and delivery,...

Tags: Pennsylvania State University, Disk, Performance, Transaction Processing, Disk Array, Performance Management, Human Resources, Workforce Management

White papers

Additional Resources

Will online education kill the university?

More to Harvard than the ClassesWhile I'm a big proponent of online and hybrid courses, I don't think that the residential college will go away entirely. People go to places like Harvard and Yale not just because they might learn more (and they might, depending on a lot of...

Tags: Harvard, education

Discussion threads 2009-09-16

Can Zimbra compete with Google Apps in education?

Information Week featured an article on Yahoo's Zimbra service for email and collaboration in use with educational institutions. While Zimbra, which "already provides e-mail through on-premises software at a number of marquee education accounts, including Stanford University, Georgia Tech, the University of California at Davis, Pennsylvania University, Northeastern, Carleton...

Tags: Education, Google Inc., Google Apps, Zimbra, E-mail, Online Communications, Christopher Dawson

Blog posts 2008-10-29

Small Business Success Story: How one company achieved fast and simple success with their customers by using Intelligent Information Transport Platform

Schalleur, Devine & Surgent SDS is a mid-sized Certified Public Accounting agency with over 30 employees comprised of CPAs, university professors and other certified professionals based in Devon, Pennsylvania. The company provides tax, accounting and business advisory services to over 1,500 individuals and businesses throughout the state of Pennsylvania...

Tags: Pennsylvania, Small Business, Certified Public Accountant, Taxes, Free Trade, Advertising & Promotion, Operational Accounting, Strategy, Financial Services, Financial Planning, Finance, Marketing, Management

Case studies 2008-10-01

Ringleader of cybercrime group to be offered a job as cybercrime fighter

Owen Thor Walker, a 18 years old ringleader of an international cybercrime group, known as AKILL, part of the A-Team, a group of 8 script kiddies which were all caught in a operation called "Operation Bot Roast II" bust executed by the FBI and several international law enforcement agencies in...

Tags: Job, Malware, Bot, Malware Bot, PRIVMSG, Spyware, Adware & Malware, Cyberthreats, Viruses And Worms, Security, Dancho Danchev

Blog posts 2008-07-16

Government 2.0: Focus is on IT recruiting

Should local governments deploy Web 2.0 applications as part of an online services portfolio? Speakers at the Pennsylvania Digital Government Summit, sponsored by Government Technology magazine, were four-square in favor but urged CIOs to move deliberately, ComputerWorld reports. "I'm not here to tell government to just jump in," said...

Tags: Information Technology, Recruiting, Government Information Portal, Government, Vertical Industries, Enterprise Software, Software, Richard Koman

Blog posts 2008-06-17

What is the U.S. doing about security? Part 2.

Wow that was quick.  No sooner did I get done posting my last article and I see on Wired the following story: Once again, supposedly sensitive information blacked out from a government report turns out to be visible by computer experts armed with the Ctrl+C keys â€" and that...

Tags: Security, Phone, FBI, CALEA, Federal Government, Telecom & Utilities, Government, Nathan McFeters

Blog posts 2008-05-20

eVoting systems come under fire

As reported by Robert McMillan and Elizabeth Montalbano at IDG News Service, Sequoia voting systems web site has been hacked and subsequently taken down. Sequoia and its voting system is not new to the news, as it was recently investigated by the Attorney General of New Jersey...

Tags: Sequoia Software, New Jersey, Sequoia Voting Systems, E-voting, Intellectual Property, Government, Research & Development, Business Operations, Nathan McFeters

Blog posts 2008-03-20

Giant gas field found in the Appalachia

It's well known that the Marcellus black shale in northern Appalachia, which covers hundreds of square miles in five states (New York, Pennsylvania, Ohio, Maryland and West Virginia), contains natural gas. But now, two U.S. researchers have discovered that the reserves are much bigger than previously thought. They estimate that...

Tags: U.S., Joint, Pennsylvania, Fracture, Natural Gas, Marcellus, J1, Telecom & Utilities, Roland Piquepaille

Blog posts 2008-01-20

2008: The year of hack the vote?

The state of Ohio has released a comprehensive study of voting machine security and the report will have you longing for paper. A 334-page PDF report from the Ohio Secretary of State reveals insufficient security, poor implementation of security technology, lax auditing and shoddy ...

Tags: Software, Microsoft Access, EVEREST, Premier AV-TSX, Hart EMS, Security, Tools & Techniques, Management, Larry Dignan

Blog posts 2007-12-17