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Topic: Load balancing (computing)

    Note: these results are not from the primary (high quality) database.

Paper Abstract One important factor used in load balancing is the current load of the computers. When multi-user computers are used for running parallel jobs, load balancing the computers is essential for taking the advantage of parallel and distributed processing. A load-balancing example based on the modified computer load information is presented to demonstrate the usefulness of the method. www.engr.iupui.edu /cfdlab/research/publications/2000/200002.htm   (201 words)

Load balancer - Wikipedia, the free encyclopedia Load balancing (performed by a load balancer) is a type of service performed by a computer that assigns work loads to a set of networked computer servers in such a manner that the computing resources are used in an optimal manner. It has been suggested that this article or section be merged into Load balancing (computing). In Global Server Load Balancing (GSLB) the load balancer distributes load to a geographically distributed set of server farms based on health, server loadload or proximity. en.wikipedia.org /wiki/Load_balancer   (611 words)

Load balancing - Wikipedia, the free encyclopedia In computing, load balancing (computing) refers to balancing server traffic amongst multiple computers Load balancing refers to the general practice of balancing a load. In aviation, load balancing (aviation) refers to mbass/load balancing within an aircraft en.wikipedia.org /wiki/Load_balancing   (109 words)

Beowulf clusters compared to Base One's Batch Facility for distributed computing On the other hand, because the Beowulf programming model requires by-hand load balancing and usually includes assigning specific processors to specific responsibilities, the cluster supercomputer can not be effectively shared with other unrelated applications. Most often, load balancing can be permitted to take care of itself, because the faster Batch Job Servers pick up more jobs automatically. In 1999, the University of New Mexico had put together 512 Intel Pentium III processors that was the 80th-fastest supercomputing system in the world, with a performance of 237 gigaflops. www.boic.com /beowulf.htm   (1793 words)

Load-Balancing Scatter Operations for Grid Computing, from University Louis Pasteur - White Papers, Webcasts and Case Studies - ZDNet Korea Load-Balancing Scatter Operations for Grid Computing, from University Louis Pasteur - White Papers, Webcasts and Case Studies - ZDNet Korea Experimental results with an MPI scientific code illustrate the benefits obtained from the load balancing. Overview: The paper presents a general algorithm, which finds an optimal distribution of data across Processors, a quicker guaranteed heuristic relying on hypotheses on communications and computations and a policy on the ordering of the processors. kr.itpapers.com /abstract.aspx?scid=15&docid=107960   (171 words)

Woolwich switches over to Alteon to balance the load - Computing Previously the bank used software-based load balancing across its web servers, but found that by installing a hardware-based alternative, reliability was improved. Terry Boldick, a Unisys consultant and project manager on the Woolwich upgrade, said: "Our decision to use Alteon was made because the switches have a distributed processing architecture, giving a high level of load balancing functionality." Woolwich switches over to Alteon to balance the load - Computing www.computing.co.uk /2055556   (558 words)

Web Services Pipeline Quick Takes: Mobile Computing Platform; load-testing solution PePLink MANGA Balance series features inbound load balancing, session persistence (binding), rule-based stateful firewall, server load balancing and authoritative DNS to aggregate up to 3 Internet Links (e.g. Realm Systems has shipped its MCP (Mobile Computing Platform), comprising the MPS (Mobile Personal Server) and SOBA (Service-Oriented Business Architecture) Router. Once docked in a computer with a USB interface, the device takes over the monitor, keyboard, mouse and Internet connection. www.webservicespipeline.com /60400040   (580 words)

(Haglin D.J., Ford R.W.) The Message-Minimizing Load Redistribution Problem Abstract: The Message Minimizing Load Redistribution Problem is described which arises from the need to redistribute work when performing load balancing in a parallel computing environment. Keywords: parallel processors, high performance computing, load balancing Several theoretical results are shown that may impact the design of an algorithm. www.jucs.org /jucs_7_4/the_message_minimizing_load   (163 words)

* Load - (Computing): Definition Load balancing is dividing the amount of work that a computer has to do between two or more computers so that more work gets done in the same amount of time and, in general, all users get served faster... load in computer terms means to put some file directly into the memory of a computer (or of a program: e.g. To load a program into memory from a storage device again in order to run it, because the system has crashed or the program's operation was otherwise interrupted. www.mimihu.com /computing/load.html   (1665 words)

Optimization (computer science) : Load balancing Often load balancing is done transparently (i.e., without users noticing it), using a so-called layer 4 router[?]. Grid computing or distributed computing aims to optimize the whole system, by moving tasks from computers with high usage to computers with idle time. In computer programming, optimization usually specifically means to modify code and its compilation settings on a given computer architecture to produce more efficient software. www.termsdefined.net /lo/load-balancing.html   (3186 words)

Balancing load under large and fast load changes in distributed computing systems -- A case study Balancing load under large and fast load changes in distributed computing systems -- A case study Abstract: This paper discusses a load balancing technique for distributed processing systems in which the load may vary over a wide range and at a high rate. Taking into account the speed at which loads vary and the latency of the underlying network, we specify conditions under which the algorithm is stable and can respond satisfactorily to fast load changes. www.lfcs.inf.ed.ac.uk /reports/94/ECS-LFCS-94-305/index.html   (136 words)

Load Balancing One can see that some configurations will yield better load balancing than others but this is a limitation of the particular space subdivision one chooses to implement, the more complex the subdivision one allows, the better load balancing but the harder it is to implement a suitable load balancing scheme and the associated ray caster. For the rest of the paper we describe an implementation of our load balancing scheme that uses slabs, which are consecutive slices of the dataset aligned on two major axes, as the basic partition blocks of the dataset for load balancing. This section explains our new approach to load balancing, which is based on the PARC (polygon assisted ray casting) algorithm [2]. www.cs.sunysb.edu /~csilva/papers/prc/node4.html   (1199 words)

Scientific Computing - Dynamic load balancing Our research on parallel computing focusses on the development of parallel numerical algorithms and load balancing software tools for distributed memory parallel computers. When parallelism (data or geometric) is used for the implementation of numerical algorithms using irregular meshes on distributed memory parallel computers, load balancing becomes a major problem. In the past, we have developed a preprocessing tool to map adaptively refined irregular meshes onto the processors of a parallel computer, and we developed grid re-partitioning techniques for situations where the remapping cost is high, based on graph partitioning algorithms. www.cs.kuleuven.ac.be /~twr/research/topics/parallel2.shtml   (290 words)

U.S. Pregrant 20040244006 - System and method for balancing a computing load among computing resources in a distributed computing problem System and method for balancing a computing load among computing resources in a distributed computing problem A distributed parallel computing system actively takes advantage of problem partitioning to balance the computing load among computing resources continually during processing. For example, a good rule for efficient execution of a computing problem may be that the time required to perform a computation sequence (iteration) of all OPCs in a VPP should be comparable to the time required to share results via edge OPCs at the VPP collection perimeters. cxp.paterra.com /uspregrant20040244006.html   (233 words)

Research interest in Load Balancing and Task Allocation in Distributed Computing Systems Such a system may be heterogeneous in the sense that the computing nodes may have different speeds and memory capacities. Distributed Computing aims at achieving higher execution speed than the one obtainable with uniprocessor system by exploiting the collaboration of multiple computing nodes interconnected in some fashion. The processing nodes of the system must be sharing the computational load of the system so as to be able to provide proper execution characteristics. www.cs.unb.ca /~sarker/allocation.htm   (632 words)

Network Load Balancing Algorithm using Ants Computing Our algorithm deployed Ants Computing and Reinforcement Learning.We show that our algorithm achieves load balancing for all nodes of network and works better than other algorithms. It is important to reduce the mean transfer time of network, thus the routing algorithm designed to get load balancing is required. In this paper we describe a routing algorithm for load balancing. csdl.computer.org /comp/proceedings/iat/2003/1931/00/19310428abs.htm   (162 words)

IngentaConnect On Load Balancing Approaches for Distributed Object Computing Sys... IngentaConnect On Load Balancing Approaches for Distributed Object Computing Sys... As the system scales up (e.g., with larger number of server and client objects, and more machines), a judicious load balancing system is required to efficiently distribute the workload (e.g., the queries, messages/objects passing) among different servers in the system. Several such load balancing schemes are proposed recently in the literature. www.ingentaconnect.com /content/klu/supe/2004/00000027/00000002/05254164   (341 words)

PARALLEL & DISTRIBUTING COMPUTING LOAD BALANCING algorithm for load balancing has the three inherent from heavily loaded processors to the lightly loaded ones This method is based on redistribution of processes at www.be.itu.edu.tr /lisansustu/hbm/dersler/hbm513/Load_Balancing_dosyalar/v3_slide0005.htm   (54 words)

Network Computing Compare IT Load Balancers Balancing the load in this way provides exceptionally fast web access and response times resulting in better service and increased customer satisfaction. Load balancers enable you to distribute IP traffic across multiple identical web servers. Data and information is provided for informational purposes only and is not intended as an endorsement by either telezoo.com or Network Computing. update.networkcomputing.com /cgi-bin4/DM/y/eMMF0Be3GS0V40B1bT0Ac   (395 words)

Computing Canada: Load balancing systems optimize security devices - RADWARE/RND Networks' FireProof - Product Announcement TORONTO -- RADWARE/RND Networks has introduced FireProof, a non-proprietary dynamic load balancing system which provides traffic optimization for multiple firewalls and other security devices. Load balancing systems optimize security devices - RADWARE/RND Networks' FireProof - Product Announcement FindArticles > Computers and Technology > Computing Canada > Jan 22, 1999 > Article www.findarticles.com /cf_dls/m0CGC/3_25/53616165/p1/article.jhtml   (273 words)

Firewall & Load-Balancer: Perfect Union? Page 1 February 7, 2000 Making matters worse, distributed load-balancing sites have an even greater concern: Distributed sites use proprietary communication protocols, as well as traditional DNS services, between locations. These protocols are used to communicate site load and availability, as well as redirect incoming traffic. If an attacker can see these protocols, he or she can reverse-engineer them and use them to construct a DOS attack by making the entire site seem out of service or overloaded. www.nwc.com /1102/1102ws1.html   (1018 words)

Load balancing - Wikipedia, the free encyclopedia In computing, load balancing is a technique used to spread work between many processes, computers, disks or other resources. Network Load Balancing Services is a Microsoft proprietary clustering and load balancing implementation. The PHP scripts which run the web servers distribute load to one of several database servers depending on the type of request, with updates going to a master database server and some database queries going to one or more slave database servers. en.wikipedia.org /wiki/Load_balancing   (1018 words)

Coyote Point Systems: Application Traffic Management Solutions Network Computing: Coyote Point Systems' Equalizer E450si Load Balancer, Strike a Balance more... www.coyotepoint.com   (63 words)

InternetWeek The Business and Technology of the Internet http://internetweek.cmp.com In order to test global load balancers (GLBs), we gathered equipment from four vendors--Alteon WebSytems Inc. (which is now owned by Nortel Networks), F5 Networks Inc., Foundry Networks Inc. and Radware Inc.--at the Univer-sity of Hawaii's Advanced Network Computing Laboratory. The WSD-NP allows self-defined load balancing algorithms, based on two SNMP entries. A load balancer is a relatively simple device to describe: It portions out requests to a group of servers to ensure that those servers are equally loaded, providing a Web farm that can easily be scaled up or down. internetweek.cmp.com /reviews01/rev030501.htm   (3556 words)

ch106.x10 Without some way of distributing the load, the two relays would not be able to handle all the traffic. That's the basic trouble with a centralized system, and is the reason for all the research into distributed computing. We really need to be able to interact with them in a better way, yet UUCP gateways to the ArpaNet are VERBOTEN".(19) Often Usenet users would try to send messages to the ARPANET gateway only to get back notification that their message had bounced. www.columbia.edu /~rh120/ch106.x10   (10465 words)

Software Companies in Israel - Configuration management, load and stress testing, automatic testing, consulting, training and seminars, offsite testing. Enterprise Application grid computing platform for developing real time, clustered and collaborative distributed applications over low-cost open platforms such as blade racks and Linux servers. Modules perform daily management of balances and liquidity, regulatory and public financial reporting, budget planning and control, etc. www.science.co.il /SoftwareCo.asp   (7788 words)

prptmay2002.doc Several options were implemented for assigning chunks “on processor” as inherited from the dynamics, for using more processors than used for the dynamics, and for load balancing the chunks. Physics Chunking and Load Balancing (Pat Worley) At the end of the Avant Garde project, the physics and dynamics had been split and a prototype implementation of the chunking incorporated. Performance measurements showed that the optimal chunk size was different on each machine and that performance gains were possible by setting the chunk size to less than 64 (the default setting for a T42 latitude slice). www.csm.ornl.gov /~bbd/ViewGraphs/prptmay2002.doc   (7788 words)

Chapter 8. Implementing NLB Policies The examples in “Example of Load Balancing Using the Default Policy”, and “Example of Load Balancing by Selection”, show how sites might configure NQS destination-selection queues to determine how batch requests are routed. To configure an NQS destination selection environment, define a pipe queue as a destination selection pipe queue on each system that will route requests using NLB (as described in “Example of Load Balancing Using the Default Policy”). In this case, a small workstation may be selected as the best target for work in preference to a large Cray Research system, even though 10% idle time available on the Cray Research system could well represent much more computing power than 50% idle time on the workstation. techpubs.sgi.com /library/dynaweb_docs/0640/SGI_Admin/books/NQE_AG/sgi_html/ch08.html   (6097 words)

Dynamite - blasting obstacles to parallel cluster computing The increasing interest in distributed computing has lead to intensive scientific research in load balancing schemes for distributed memory systems [2, 5, 10, 11, 12, 13, 14, 15]. This means that the dynamic loader will, before creating the checkpoint, signal the application to allow it to save state that can possibly not be saved within the framework of the normal checkpointing procedure. When using time-shared workstation clusters as HPC compute servers, however, one has to cope with the dynamical behaviour of the compute nodes, the network load and the application tasks. www.hoise.com /dynamite/dynamite/AE-DY-01-99-1.html   (3586 words)

CS 838 - Topics in Parallel Computing - Spring 1999 Parallel branch-and-bound algorithms are given to learn more about load balancing and program termination protocols for irregular parallel algorithms. There is a couple of books on parallel algorithms and parallel computing you might find useful as a supplementary source of information, but in no case you have to read them to get through this course. : Introduction to parallel computing, The Benjamin/Cummings Publ. www.cs.wisc.edu /~tvrdik/cs838.html   (1038 words)

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