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- Analysis of a TCP Hybrid Model
- This paper uses hybrid systems to model and analyze the transient and steady-state behavior of multiple TCP flows that share a single common bottle-neck link. The main contributions of this paper are a characterization of the transient behavior of the flows, predicting their experimentally observed exponential synchronization and a characterization...
- Tags: Provisioning, Characterization, TCP, Analysis, University Of California, Tcp/Ip, Networking
- White papers 2007-01-01
- Tmix: A Tool for Generating Realistic TCP Application Workloads in ns-2
- In order to perform realistic network simulations, one needs a traffic generator that is capable of generating realistic synthetic traffic in a closed-loop fashion that "looks like" traffic found on an actual network. This paper describes such a traffic generation system for the widely used ns-2 simulator. The system takes...
- Tags: Network, Trace, Characterization, Association For Computing Machinery, TCP, Tool, Tcp/Ip, Networking
- White papers 2006-07-01
- Characterizing System Level Energy Consumption in Mobile Computing Platforms
- This paper approaches energy consumption characterization in mobile computing platforms by assessing energy consumption of "Basic" application-level tasks, such as processing, input/output (disk, display, etc.), communication transmission and reception over the network, and combinations thereof. Besides providing information on the energy consumption behavior of typical tasks performed by mobile computers,...
- Tags: Power Management, Mobile, Mobile Computing, Characterization, Advertising & Promotion, Handhelds, Wireless, Marketing, Hardware
- White papers 2005-04-28
- Characterization and Evaluation of TCP and UDP-Based Transport on Real Networks
- Standard TCP Reno TCP does not perform well on fast long distance networks, due to its AIMD congestion control algorithm. This paper considers the effectiveness of various alternatives, in particular with respect to their applicability to a production environment. Then the paper characterizes and evaluates the achievable throughput, stability and...
- Tags: Network, RealNetworks Inc., Characterization, TCP, UDP, Tcp/Ip, Networking
- White papers 2005-01-01
- Learn about filtering e-mail in Postfix
- The Postfix home page offers this official characterization of the Postfix mailer: 'Postfix attempts to be fast, easy to administer, and secure, while at the same time being sendmail compatible enough to not upset existing users. Thus, the outside has a sendmail-ish flavor, but the inside is completely different.' Even...
- Tags: Postfix, characterization, virus, e-mail
- Download resources 2005-09-12
Additional Resources
- Boost your system defenses: Begin with a stronger understanding of your cyber adversary
- Systems administrators and other IT professionals can do a better job of protecting their company's assets if they have a better understanding of whom they are protecting these assets against. In this sample chapter from Cyber Adversary Characterization, acquire a better understanding of your cyber adversary, from...
- Tags: Asset, Adversary, Chapter Coverage, Asset Management, Operational Planning, Business Operations
- Book chapters 2007-03-13
- WLAN Workload Characterization
- This paper addresses the problem of workload characterization in a Wireless LAN WLAN. Workload is generated by applications/users trying to carry out some of their functions. The attempt is to capture such application/user level characteristics from the information gathered at the MAC level. Developing an understandable description of the workload...
- Tags: University Of Maryland, Workload, WLAN, Wireless LANs, LANs, Wi-Fi, Wireless, Networking
- White papers
- YouTube Traffic Characterization: A View From the Edge
- This paper presents a traffic characterization study of the popular video sharing service, YouTube. Over a three month period the paper observed almost 25 million transactions between users on an edge network and YouTube, including more than 600,000 video downloads. The paper also monitored the globally popular videos over this...
- Tags: YouTube Inc., Association For Computing Machinery, Video, Corporate Communications, Web 2.0, Marketing, Internet
- White papers 2007-07-12
- Characterization of an Oracle 10g Ultra-Large Database Using HP-UX White Paper
- This paper describes performance characterization testing of an HP Integrity Superdome server and an HP StorageWorks XP12000 Disk Array in an Oracle 10g environment. HP constructed an HP-UX, Oracle 10g Superdome and SAN storage configuration to perform proof-of-concept testing for an HP customer. The purpose of the testing was to...
- Tags: HP-UX, Database, Hewlett-Packard Co., Oracle Corp., Environment, Oracle Application Server 10g, Application Servers, Performance Management, Servers, Enterprise Software, Software, Human Resources, Workforce Management, Hardware
- White papers 2007-01-01
- Characterization of an Oracle 10g Ultra-Large Database Using HP-UX Q White Paper
- This paper describes performance characterization testing of an HP Integrity Superdome server and an HP StorageWorks XP12000 Disk Array in an Oracle 10g environment. HP constructed an HP-UX, Oracle 10g Superdome and SAN storage configuration to perform proof-of-concept testing for an HP customer. The purpose of the testing was to...
- Tags: HP-UX, Database, Hewlett-Packard Co., Oracle Corp., Environment, Oracle Application Server 10g, Application Servers, Performance Management, Servers, Enterprise Software, Software, Human Resources, Workforce Management, Hardware
- White papers 2007-01-01
- Conservative Network Coding
- Motivated by practical networking scenarios, this paper introduces a notion of restricted communication called conservative networking. Consider a network of lossless links and a number of independent sources. Each node needs to recover a certain subset of the sources. However, each node is conservative in that all information it receives...
- Tags: Network, Networking
- White papers 2006-09-30
- Performance Characterization of Microsoft ISA Server 2004 Running on HP ProLiant Servers
- HP conducted performance characterization testing on Microsoft Internet Security and Acceleration ISA Server 2004 Standard Edition to measure and document the throughput of ISA Server on various HP hardware platforms. HP measured this throughput while simulating from 1-1000 web users simultaneously accessing a Microsoft Internet Information Services IIS 6.0 web...
- Tags: HP Compaq ProLiant Server, Hewlett-Packard Co., Performance, Microsoft ISA Server, Microsoft Corp., HP Compaq ProLiant, Performance Management, Servers, Human Resources, Workforce Management, Hardware
- White papers 2006-11-01
- Performance Characterization of HP ProLiant DL360 G5 With Quad-Core Intel Xeon Processors (3.16 GHz/2x6 MB) in a 64-Bit HP Server Based Computing Environment
- This paper describes a performance characterization performed utilizing the HP 64-bit test harness, which incorporates a Microsoft Office 2003 workload. Test results cannot be compared directly with the results of tests performed using the 32-bit Office XP- or Office 2003-based harnesses. Combining concentrated 1U computing power, HP Integrated Lights-Out 2...
- Tags: HP Server, Hewlett-Packard Co., Performance, Environment, Quad-core, Computing, HP Compaq ProLiant, Performance Management, Microsoft Office, 64-Bit, Servers, Human Resources, Workforce Management, Office Suites, Software, Processors, Semiconductors, Hardware, Components
- White papers 2007-11-01
- LAMP Performance Characterization and Sizing on VMware ESX Server 2.5.1 and Dell PowerEdge 1855 Blade Servers
- This paper provides the findings from performance characterization and sizing tests for Dell PowerEdge 1855 Blade Server running VMware ESX Server 2.5.1. Dell Scalable Enterprise team ran tests that simulated an OLTP Online Transaction Processing workload in a virtualized LAMP (Linux, Apache, MySQL, and PHP) environment. By using the analysis...
- Tags: Dell Computer Corp., Blade Server, Performance, VMware Inc., VMWare ESX Server, Dell PowerEdge, VMWare ESX, Performance Management, Servers, Blade Servers, Databases, Human Resources, Workforce Management, Hardware, Enterprise Software, Software, Data Management
- White papers 2005-10-01
- My new e-mail signature...
- Ever watchful Beth Blakely sent me this link from the fanboy blog TeeVee.org, which led me immediately to consider this quote as my new personal e-mail signature: "Then again, Ive also been enjoying the new Battlestar Galactica, with its refreshing balance of theology, politics,...
- Tags: E-mail, Online Communications, Jay Garmon
- Blog posts 2005-08-24
- Power Characterization of a Bluetooth-Equipped Sensor Node
- Wireless Sensor Networks are gaining increasing interest, and can be useful for example in; environmental monitoring, industrial, health care, and military applications. As most of the nodes are battery operated the dominant constraint for WSNs is power consumption. Due to the complexity of a WSN node, it is a difficult...
- Tags: Node, Bluetooth, Engineering, Wi-Fi, Wireless
- White papers 2005-05-23
- On the Characterization of Bluetooth Scatternet Topologies
- Bluetooth is an emerging short range, wireless networking standard. Using Bluetooth communication interfaces, a collection of devices can interconnect to form a scatternet. A set of n nodes can be organized into a scatternet in many different ways. This is in contrast to the classical narrowband packet radio networks or...
- Tags: Topology, Bluetooth, Wi-Fi, Wireless
- White papers
- Performance and Environment Monitoring for Whole-System Characterization and Optimization
- This paper presents a Continuous Program Optimization CPO architecture to allow automatic tuning of application performance in today's complex hardware and software environment. The focus of this paper is on the Performance and Environment Monitoring PEM aspect of CPO that vertically integrates and analyzes performance events from the various layers...
- Tags: Performance, Optimization, Environment, Performance Management, Human Resources, Workforce Management
- White papers
- WiFi Hopper (exe)
- WiFi Hopper is a WLAN utility that combines the features of a Network Discovery and Site Survey tool with a Connection Manager. Sporting a comprehensive arsenal of network details, filters, RSSI graphing and GPS support, WiFi Hopper is invaluable for advanced characterization of neighboring wireless devices. Additionally, WiFi Hopper can...
- Tags: Network, Sandy Roads, WiFi Hopper, Wireless LANs, Wi-Fi, Wireless
- Software downloads 2006-07-18
- Performance Characterization of a Bluetooth Piconet With Multi-Slot Packets
- The paper presents a framework for performance evaluation of a Bluetooth piconet using multi-slot packets. In particular, under some classical assumptions, it develops a model of a Bluetooth network and derives the complete statistics of the one-hop delay, and other significant metrics such as the channel utilization parameter. Stability conditions...
- Tags: Packet, Performance, Bluetooth, Performance Management, Wi-Fi, Wireless, Human Resources, Workforce Management
- White papers
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