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- performance evaluation of Voice Handovers in Real 802.11 Networks
- This paper looks at the performance of 802.11 networks for real-time voice communication. In particular, the focus is on triggering timely handovers of voice calls from the 802.11 network to the cellular infrastructure. An algorithm is devised that uses link layer, IP, and application measurements to determine when best to...
- Tags: Algorithm, IEEE 802.11, Performance, Network, Voice, Performance Evaluation, Wireless LANs, Wi-Fi, Performance Management, Wireless, Networking, Human Resources, Workforce Management
- White papers
- Modeling and performance evaluation of iSCSI Storage Area Networks Over TCP/IP-Based MAN and WAN Networks
- This paper provides a concise modeling and performance evaluation of the iSCSI Storage Area Network SAN architecture and protocol. SANs play a key role in business continuity, enterprise-wide storage consolidation and disaster recovery strategies in which storage resources are most often distributed over many distant data center locations. In the...
- Tags: Metropolitan Area Network, TCP/IP, iSCSI, Performance, Network, SAN, Performance Evaluation, WAN, Modeling, Storage, Storage Area Networks (SAN), Storage Management, Networking, Hardware
- White papers
- performance evaluation of Distributed Computing Paradigms in Mobile Ad Hoc Sensor Networks
- The emergence of mobile ad hoc sensor networks has brought new challenges to traditional network design. This paper focuses on the study at the application layer. In specific, it compares the performance of two distributed computing paradigms, the client/server-based paradigm and the mobile-agent-based paradigm, through mathematical modeling and simulation. The...
- Tags: Performance, Mobile, Network, Sensor, Performance Evaluation, Distributed Computing, Paradigm, Network Technology, Servers, Networking, Hardware
- White papers
- performance evaluation of Approximation Algorithms for Multipoint Relay Selection
- In Mobile Ad hoc NETworks MANET, the selection of Multipoint Relays provides an efficient routing scheme for efficient broadcast and shortest-path unicast. As such a selection is NP-hard, a heuristic has been designed and effectively implemented in protocols for MANET such as the Optimized Link State Routing protocol OLSR. This...
- Tags: Algorithm, Selection, Performance, Macquarie University, Performance Evaluation, Performance Management, Team Management, Networking, Human Resources, Workforce Management, Management
- White papers
- Design and performance evaluation of Meghadoot - A Hybrid Wireless Network Architecture
- This paper presents the design and evaluation of Meghadoot - a hybrid wireless network architecture that provides improved services, such as better connectivity among the users, efficient routing, and access to the Internet. Meghadoot architecture combines the advantages of both single-hop and multi-hop wireless networks. Meghadoot is extremely useful as...
- Tags: Performance, Network, Performance Evaluation, Indian Institute Of Technology, Wireless Network, Meghadoot, Meghadoot Architecture, Wi-Fi, Wireless
- White papers
- performance evaluation of GPRS/EDGE Networks: A Novel Discrete-Time Markov Model
- The focus of this paper is on a simple yet important objective: to provide simple and accurate models for GPRS/EDGE radio engineering. An Erlang-like law is developed based on a discrete-time Markovian model that captures the detailed behavior of the radio allocator, when a finite number of users are performing...
- Tags: Performance, Network, GPRS, Formula, Radio, Performance Evaluation, EDGE, Advertising & Promotion, Performance Management, Marketing, Human Resources, Workforce Management
- White papers
- Tsingshan Gears Up for Growth With Integrated Business Management Platform
- Chongqing Tsingshan Industry Co., Ltd is one of the largest gearbox manufacturers in China, producing around 800,000 gearboxes annually for sedans and light vehicles. The company wanted to address data quality issues and enable easy information sharing. The challenge was to provide online access to manufacturing plans; automate procurement processes;...
- Tags: Oracle Corp., Business Management, Performance Evaluation, Procurement, Quality Control, Performance Management, Team Management, Quality, Purchasing & Procurement, Human Resources, Workforce Management, Management, Business Operations
- Case studies
- Evaluation Techniques for Biometrics-Based Authentication Systems (FRR)
- Biometrics-based authentication is becoming popular because of increasing ease-of-use and reliability. Performance evaluation of such systems is an important issue. This paper attempts to address two aspects of performance evaluation that have been conventionally neglected. First, the "difficulty" of the data that is used in a study influences the evaluation...
- Tags: Technique, Performance Evaluation, Authentication System, Authentication, Biometrics, Performance Management, Team Management, Authentication/Encryption, Security, Human Resources, Workforce Management, Management
- White papers
- Initial performance evaluation and Analysis of the Global OFDM Metropolitan Area Network Standard IEEE 802.16a / ETSI HiperMAN
- Wireless last mile technology is becoming a challenging competitor to conventional wired last mile access systems like DSL and cable modems or even fiber-optic cables. The European Telecommunications Standards Institute ETSI and the Institute of Electrical and Electronics Engineers IEEE have lately developed a new standard for fixed broadband wireless...
- Tags: MAC, Performance, Broadband Wireless, Performance Evaluation, IEEE, IEEE 802.16, Analysis, OFDM, Broadband Internet, Telecommunications, Wireless, Network Technology, Networking
- White papers
- Chang Hwa Bank Deploys E-Solution to Strengthen Human Capital Management
- Founded in 1905, Chang Hwa Bank is one of the oldest and most respected financial institutions in Taiwan. Chang Hwa Bank wanted to attract and retain talented personnel by developing attractive and competitive job packages and cultivate existing talent to ensure they have the skills and knowledge of senior staff,...
- Tags: Oracle Corp., Performance Evaluation, Human Capital Management, Chang Hwa Bank, Human Capital, Performance Management, Team Management, Human Resource Management (HRM), Human Resources, Workforce Management, Management
- Case studies 2008-01-01
- TCP With Header Checksum Option for Wireless Links: An Analytical Approach Towards performance evaluation
- TCP performs poorly in wireless mobile networks due to large bit error rates. Basically, the TCP sender responds to these losses as if they were due to congestion in the network, and reduces the congestion window unnecessarily. In earlier work, it has been shown that adding a TCP header checksum...
- Tags: Performance, Performance Evaluation, TCP, Tcp/Ip, Networking, Wireless
- White papers 2007-06-01
- performance evaluation of LogWestwood+ TCP in Wired/Wireless Networks
- TCP is the most commonly used transport protocol on the Internet tuned to perform well in traditional networks made up of wired links with low bit error rates. Networks with higher bit error rates, such as those with wireless links, violate many of the assumptions made by TCP, causing degradation...
- Tags: Performance, Environment, Performance Evaluation, TCP, Performance Management, Tcp/Ip, Team Management, Networking, Human Resources, Workforce Management, Management
- White papers 2007-02-27
- performance evaluation of a Multicast Congestion Control Protocol
- This paper presents a performance evaluation of the CIFL congestion control protocol for layered multicast transmission. The paper presents an overview of the protocol, whose performance is then considered in a real testbed. Protocol dynamics, robustness and TCP-friendliness are investigated in an environment carrying a layered video stream and experiencing...
- Tags: Performance, Congestion, Protocol, Performance Evaluation, Performance Management, Team Management, Human Resources, Workforce Management, Management
- White papers 2007-01-01
- Linux Bootup Time Reduction for Digital Still Camera
- Bootup time is a very important issue in the DSC System because customers want to capture immediately specific image. In this paper, the authors present the experience of the implementation methods and the performance evaluation results for reduction of bootup time which was used in SAMSUNG DSC platform. At first...
- Tags: Reduction, Samsung Electronics Co. Ltd., Performance Evaluation, Device Driver, Camera, Performance Management, Linux, Team Management, Human Resources, Workforce Management, Operating Systems, Software, Management
- White papers 2006-07-22
- performance evaluation of TCP Over Wireless Channel Conditions
- The rise of IEEE 802.11 Wireless Local Area Networks WLANs is challenging the original design of TCP. The wireless channel is very different to traditional copper media; wireless channels possess significantly higher Bit Error Rates BERs, conditions which lead to increased numbers of random packet losses. The fundamental problem is...
- Tags: Performance, Problem, Performance Evaluation, TCP, Wireless Channel, Tcp/Ip, Wi-Fi, Wireless, Networking
- White papers 2006-05-30
- performance evaluation of TCP Over Routing Protocols for Mobile Ad Hoc Networks
- This paper investigates the performance of TCP of various (single-hop and multi-hop) routing protocols for mobile ad hoc networks. Using ns-2, it evaluates the TCP window size, throughput and packet delay over a single TCP connection. The results suggest that the various performance metrics are tightly related, and that TCP...
- Tags: Performance, Mobile, Performance Evaluation, TCP, Routing Protocol, Tcp/Ip, Performance Management, Networking, Human Resources, Workforce Management
- White papers 2006-04-30
- performance evaluation of TCP Congestion Control Algorithms Over UMTS
- TCP congestion control was designed and optimized for wired networks. During recent years, however, the popularity of wireless network infrastructures enabling ubiquitous Internet access, such as Universal Mobile Telecommunication System UMTS, has grown considerably. As a consequence, many improved TCP congestion control algorithms, able to effectively operate over hybrid wired/wireless...
- Tags: Algorithm, UMTS, Performance, Network, Congestion, Performance Evaluation, TCP, Tcp/Ip, Networking, Wireless
- White papers 2006-03-02
- performance evaluation of Multiple-Rate Mobile Ad Hoc Networks
- Existing wireless networks usually provide multiple data transmission rates. This paper presents a simulation study on the performance of multiple-rate mobile ad hoc networks MANETs, based on an evolved ns-2 simulator. At the physical layer, realistic models such as Walfisch-Ikagami radio propagation model and lognormal fading are implemented. This paper...
- Tags: Purdue University, Performance, Network, Performance Evaluation, Performance Management, Networking, Human Resources, Workforce Management
- White papers 2006-02-19
- performance evaluation of Layer 3 Low Latency Handoff Mechanisms
- This paper investigates the performance of two Layer 3 low latency handoff protocols proposed by the IETF, namely Pre- and Post-Registration. These protocols use Layer 2 triggers to reduce the built-in delay components of Mobile IP. A simple analytical model is proposed that allows assessing the packet loss and the...
- Tags: Layer 3, Performance, Protocol, Performance Evaluation, Performance Management, Human Resources, Workforce Management
- White papers 2005-09-20
- performance evaluation of RescueMesh: A Metro-Scale Hybrid Wireless Network
- In the recent past, Wireless Mesh Networks WMNs have become increasingly popular due to the availability of unlicensed spectrum and low cost IEEE 802.11b/a/g-based devices. The future of wireless Internet provisioning will see the convergence of the Wireless Wide Area Networks WWANs and WMNs. This convergence between WWANs and WMNs...
- Tags: Performance, Network, Performance Evaluation, Wireless Network, Wi-Fi, Wireless
- White papers 2005-09-16
