Factbites
 Where results make sense
About us   |   Why use us?   |   Reviews   |   PR   |   Contact us  

Topic: Load balancing


Related Topics
PVM
RAM

In the News (Tue 5 Jun 12)

  
  Load balancing - LVSKB
Layer-4 load balancing is to distribute requests to the servers at transport layer, such as TCP, UDP and SCTP transport protocol.
Layer-7 load balancing, also known as application-level load balancing, is to parse requests in application layer and distribute requests to servers based on different types of request contents, so that it can provide quality of service requirements for different types of contents and improve overall cluster performance.
Database load balancing is to balance database access requests among cluster of database servers, in order to achieve database scalability and high availability.
kb.linuxvirtualserver.org /wiki/Load_balancing   (0 words)

  
 Load Balancing
Load balancing is a way of distributing the throughput or processing requirements evenly among multiple servers in a clustered environment.
Without load balancing, one server could be under utilized while at the same time another server was being swamped by requests.
Load balancing can be accomplished with software, hardware, or a combination of both.
www.hostingguidebook.com /load-balancing.html   (0 words)

  
  11.1 Load Balancing as an Optimization Problem
A few general remarks are necessary; we use the phrases ``load balancing'' and ``data decomposition'' interchangeably.
The difference between this and the static case is that the load balancing must be carried out in parallel to prevent a sequential bottleneck.
Dynamic: The circumstances determining the optimal balance change frequently or continuously during execution, so that the cost of the load balancing calculation after each change should be minimized in addition to optimizing the splitting of the actual calculation.
www.netlib.org /utk/lsi/pcwLSI/text/node248.html   (1325 words)

  
 Web Farming with the Network Load Balancing Service in Windows Server 2003
The Network Load Balancing Service has been around in one incarnation or another since Windows NT SP4, but Windows Server 2003 is the first operating system that brings this service into the forefront as a main component of the OS.
Load Balancing also provides something else that has nothing to do with scalability: The ability to have failover support if something goes wrong on one of the servers in the pool.
For many companies this feature of load balancing is often important for peace of mind both in the knowledge that a single point of failure on the Web Server is avoided as well as providing an in place mechanism to grow the application should the need arise at a later point.
www.west-wind.com /presentations/loadbalancing/NetworkLoadBalancingWindows2003.asp   (5879 words)

  
 EETimes.com - Load balancing serves the farms
Load balancers support different load-balancing techniques, which can be simple to set up and configure, yet are powerful enough to use the full potential of all servers.
In general, the load balancer is connected to routers on one or two ports, and to servers from all other ports.
Load balancing can be used to enhance firewalls, by using the load balancer on both sides of a set of firewalls to remove it as a single point of failure and performance bottleneck.
www.eetimes.com /story/OEG20000124S0040   (1484 words)

  
 O'Reilly Media -- Bookstore: Server Load Balancing
Load balancing improves network performance by distributing traffic efficiently so that individual servers are not overwhelmed by sudden fluctuations in activity.
Server Load Balancing is a guide to this critical component of high availability, clustering, and fault tolerance, all of which provide the infrastructure for reliable Internet sites and large corporate networks.
If you have any idea what load balancing is, what a heartbeat is, and what NAT is, you have nothing to learn from this book, except what not to do if you are an author.
www.oreilly.com /catalog/serverload   (0 words)

  
 What is load balancing? - a definition from Whatis.com - see also: load balance, network load balancing
Load balancing can be implemented with hardware, software, or a combination of both.
Typically, load balancing is the main reason for computer server clustering.
Since load balancing requires multiple servers, it is usually combined with failover and backup services.
searchsmb.techtarget.com /sDefinition/0,,sid44_gci214490,00.html   (317 words)

  
  Smart Computing Encyclopedia Entry - load balancing   (Site not responding. Last check: )
Load balancing is a technical solution used when information-processing requests are likely to overload an individual computer or a Web server.
The basic concept of load balancing is to divide up the amount of processing a computer or server must perform; essentially, tasks are divided up and assigned to two or more computers or servers.
To manage load balancing, incoming requests for information and transactions must be handled efficiently.
www.smartcomputing.com /editorial/dictionary/detail.asp?guid=&searchtype=1&DicID=18056&RefType=Encyclopedia   (360 words)

  
 Windows 2000 Network Load Balancing Technical Overview
In this configuration, Network Load Balancing is bound to the network adapter on the subnet that receives incoming client requests, and the other adapter is typically placed on a separate, local subnet for communication between cluster hosts and with back-end file and database servers.
Network Load Balancing tracks TCP connections on each host, and, after their current TCP connection completes, the next connection from the affected clients will be handled by the new cluster host; UDP streams are immediately handled by the new cluster host.
Network Load Balancing assumes that a host is functioning properly within the cluster as long as it participates in the normal heartbeat exchange among the cluster hosts.
www.microsoft.com /technet/prodtechnol/windows2000serv/deploy/confeat/nlbovw.mspx   (10815 words)

  
 Load Balancing Servers
The load balancer then uses one of its load balancing algorithm to distribute work to real IP addresses.
Such "server-based" load balancing is done either by an application running on a regular server or an appliance.
Load Balancing in a Cluster, and Failover and Replication in a Cluster
www.wilsonmar.com /1loadbal.htm   (2749 words)

  
 Autonomic load balancing, Part 1: Cisco Content Switching Module
EWLM monitors the health and load of the servers and their applications in a configured cluster and makes decisions as to which servers or applications are best suited to handle client requests successfully.
If round-robin or least connections are chosen as the load balancing algorithm, a weight is also associated with each server in the server farm to let the administrator or third-party managers (such as EWLM) provide the load balancer with distribution characteristics.
When balancing according to one of these weighted algorithms, the CSM balances client traffic to the servers so that the ratio of the number of client connections serviced by each server matches the ratio of the weights.
www.ibm.com /developerworks/autonomic/library/ac-ewlmload1/?ca=dgr-btw13AutoLoadBalance   (4211 words)

  
 Load Balancing ( Web Load Balancing, Workload Balancing, Server Load Balancing, SLB, Network Load Balancing, Server ...
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 balancing can be implemented with hardware, software, or a combination of both.
Usually, if two servers are used to balance a work load, a third server is needed to determine which server to assign the work to.
www.bitpipe.com /tlist/Load-Balancing.html   (648 words)

  
 Overview of Load Balancing
Load balancing is a feature of the object spawner that balances workloads across server processes and across server machines.
A load balancer routine runs in each object spawner and directs client requests to the server or server process that is least loaded at the time the client request is made.
Load balancing updates this list periodically, at an interval that is specified by the administrator.
support.sas.com /rnd/itech/doc9/admin_oma/sasserver/poollb/loadbal.html   (1206 words)

  
 Per Packet Load Balancing
Load balancing is based on a combination of source and destination packet information; it allows you to optimize resources by distributing traffic over multiple paths for transferring data to a destination.
Per-destination load balancing is enabled by default when you start the router, and is the preferred load balancing for most situations.
This load balancing method would be inappropriate for certain types of data traffic (such as voice traffic over IP) that depend on packets arriving at the destination in sequence.
www.cisco.com /univercd/cc/td/doc/product/software/ios120/120newft/120limit/120s/120s21/pplb.htm   (1190 words)

  
 Load Balancing Solutions
Radware's family of load balancing solutions ensures high availability for your network and applications.
Solutions include load balancing for servers and routers (multiple ISP/Internet links), as well as SSL accelerators.
Web server load balancing ensures 24/7 application availability at Gigabit speeds, optimizes the use of your server farm resources and performs intrusion prevention.
www.rad-direct.com /Product-Family-Load-Balancing-Solutions.htm   (196 words)

  
 Reliability and Load Balancing
Sites with a hardware load balancer will generally put one Resin JVM on each server and configure the load balancer to distribute the load across those JVMs.
A site might use 192.168.0.1 as the frontend load balancer, and send all requests for /foo to the backend host 192.168.0.10 and all requests to /bar to the backend host 192.168.0.11.
Using Resin as the load balancing web server requires a minimum of two configuration files: one for the load balancing server, and one for the backend servers.
www.caucho.com /resin-3.0/config/balance.xtp   (0 words)

  
 What is load balancing? - A Word Definition From the Webopedia Computer Dictionary
Load balancing is especially important for networks where it's difficult to predict the number of requests that will be issued to a server.
Load balancing can also refer to the communications channels themselves.
Network Liquidators: Load Balancers - An online destination for discount used, refurbished, and new open box network equipment, including load balancers, SSL accelerators, and servers.
www.webopedia.com /TERM/l/load_balancing.html   (0 words)

  
 Web Server Load Balancing| Managed Dedicated Server
The FastServers.Net line of load balancing services provides a number of scaleable options that provides not only high performance and availability but also high value that fits a wide range of budgets.
Recent independent lab testing shows that FastServers.Net load balancing service can handle over 4000 new connection per second, and sustain concurrent connection for over 300,000 (in NAT or in-path mode, out-of path mode can be 100X more) at the worst testing situation.
FastServers.Net load balancing service has built-in high level protocol checker, it actually talks to the services on the server to make sure the service is healthy and running.
www.fastservers.net /server-upgrades/load-balancing-failover.html   (0 words)

  
 ONJava.com -- Load Balancing Web Applications
To balance server load, the system distributes requests to different nodes within the server cluster, with the goal of optimizing system performance.
Therefore, with the DNS round robin method of load balancing, all of the nodes in the cluster are exposed to the net.
Two main disadvantages of this software-based method of load balancing are that it offers no real support for server affinity and doesn't support high availability.
www.onjava.com /pub/a/onjava/2001/09/26/load.html   (0 words)

  
 Canada Web Hosting: Web Server Load Balancing
Globally load balanced traffic can be routed to a particular data center based on the geographic location of the viewer, transit time for traffic between viewer and server, health of alternate servers, load, and a long list of other criteria.
By utilizing global load balancing, clients can improve their sites' performance by moving content closer to users, mitigate DoS attacks and also protect against a catastrophic failure or natural disaster at one data center.
Traffic load balancing distributes web traffic between multiple servers performing the same function in the same location, whether they are firewalls, web servers, databases or caches.
www.canadawebhosting.com /managed-hosting-infrastructure/load-balancing.asp   (0 words)

  
 Load Balancing Linux Clusters
Load balancing of certain services, such as ftp or web serving, is a must for any organization that needs to service a large client base.
Cluster Suite is comprised of two main parts, Cluster Manager, which provides application failover, and IP Load Balancing (formerly known as Piranha), which provides the ability to load balance IP traffic across a farm of servers.
Ultra Monkey: Ultra Monkey is based on LVS, and focuses on created load balanced, highly available services on a local area network.
www.lcic.org /load_balancing.html   (431 words)

  
 Load Balancing (Linktionary term)
Load balancing is the process of distributing some load across multiple links, servers, processors, or other devices in order to improve performance and overcome deficiencies in existing equipment.
Server load balancing is a hot topic when you consider that most Web sites are overworked and old server configurations are unlikely to handle the load.
Traffic destined for the IP address is intercepted by load balancers and distributed to servers in a server farm or cluster.
www.linktionary.com /l/load_balancing.html   (340 words)

  
 Cisco T1 Load Balancing HOWTO
Load balancing on a router happens at layer 3, meaning it is a function of IP routing.
In order to get load balancing in both directions, the T1's on Router A must both terminate on the same Router B. Load balancing must be configured on both Router A and Router B. Easy enough if Router A and Router B are both in your control.
This method of per-packet load balancing can mean that packets in a particular connection or flow arrive at their destination out of sequence.
www.swcp.com /~jgentry/cisco/cisco-load.html   (671 words)

  
 What Is Load Balancing?
Load balancing is a technique used by the BEA Tuxedo system for distributing service requests evenly among servers that offer the same service.
Loads are assigned to services so that the BEA Tuxedo system can understand the relationship between requests.
A load factor is a number indicating the amount of time needed to execute a service or a request.
e-docs.bea.com /tuxedo/tux80/atmi/intatm24.htm   (374 words)

  
 Load Balancing Cisco VPN Clients
Load balancing directs session traffic to the least loaded device, thus distributing the load among all devices.
Note Load balancing is effective only on remote sessions initiated with the Cisco VPN Client (Release 3.0 and later) or the Cisco VPN 3002 Hardware Client (Release 3.5).
To implement load balancing, you group together logically two or more devices on the same private LAN-to-LAN network, private subnet, and public subnet into a virtual cluster.
www.cisco.com /univercd/cc/td/doc/product/vpn/vpn3000/3_6/config/lbssf.htm   (1370 words)

  
 Load Balancing
This section explains our new approach to load balancing, which is based on the PARC (polygon assisted ray casting) algorithm [2].
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.
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.
www.cs.sunysb.edu /~csilva/papers/prc/node4.html   (1199 words)

  
 PPL: Load Balancing
Our load balancing strategies minimize the impact of topology by heuristically minimizing the number of hops traveled by each communicated byte.
Seed load balancing involves the movement of object creation messages, or "seeds", to create a balance of work across a set of processors.
Some strategies use averaging of loads to determine how seeds should be distributed, while others use receiver-initiated strategies, where a processor requests work from elsewhere when it is about to go idle.
charm.cs.uiuc.edu /research/ldbal   (880 words)

  
 Load Balancing
Load Balancing is a concept often used in the network to distributing processing and communications activity evenly across a computer network so that no single device is overwhelmed.
Server Load balancing is widely used for networks where it's difficult to predict the number of requests that will be issued to a server.
In the case of network traffic load balancing, link aggregation techniques are used to bond multiple links together logically which appears like a single, high bandwidth, fault tolerance link.
www.networkdictionary.com /networking/lb.php   (212 words)

  
 Server Administration Services | Load Balancing | VeriCenter
Load balancers receive all client requests, and distribute the requests according to server availability, load, response time, and other performance metrics.
Another crucial benefit of load balancing technology is its ability to protect server farms and applications from Denial of Service (DoS), Worm and Virus threats from malicious Internet users.
The load balancers are installed as high availability pairs in a each VeriCenter Internet Center to enhance reliability.
www.vericenter.com /managed_services/server_administration/load_balancing.aspx   (331 words)

Try your search on: Qwika (all wikis)

Factbites
  About us   |   Why use us?   |   Reviews   |   Press   |   Contact us  
Copyright © 2005-2007 www.factbites.com Usage implies agreement with terms.