unequal cost load balancing

servers or applications and large data traffic are generally not of low grade, the service operator often only gets the performance of one server for the cost of two servers. Address translation translates different IP addresses of network adapters of multiple servers into one virtual IP address, so that each server is always in the working status. The work originally required to be completed by a minicomputer was completed by multiple PC servers, th

To solve the problem of complex balancing, MySql officially launched the MySqlCluster architecture, the following describes the feasibility of five MySql server clusters in terms of basic conditions, costs, advantages and disadvantages, and application scenarios. 1. MySQLClusteri server load balancer solution To solve the problem of complex balancing, MySql off

technology, all requests for a particular site are distributed evenly to the machines in the group. Therefore, in this technique, all nodes in the cluster are visible to the network. 　　 Advantages of DNS Rotation scheduling 　　 The biggest advantage of DNS Round Robin is ease of implementation and low cost: 　　 Low cost and easy to build. To support alternate scheduling, system administrators only need

greatly affected. Because the picture is on the physical hard disk, access to the picture requires frequent I/O operations, so when the number of concurrent users is more and more, I/O operations will become the overall system performance bottlenecks. This time we will consider the image information distributed storage. Here is an idea for a medium sized business web site for a distributed dynamic storage of picture data and a load-

To solve the problem of complex balancing, MySql officially launched the MySql Cluster architecture, the following describes the feasibility of five MySql Server clusters in terms of basic conditions, costs, advantages and disadvantages, and application scenarios: 1. MySQL Clustering (ndb-cluster stogare) The high-reliability solution provided by MySQL in the form of storage engines is transaction-safe, real-time data replication, and can be used in s

, outsourcing interface people need to communicate with a number of outsourcing companies, and will continue to assign work tasks to them, then, in the task allocation process,There may be situations where:-Assigning too many tasks to some outsourcing companies, some of which were not completed on time;-Some outsourcing companies are relatively busy, but they have not been able to assign tasks to them in time;-Some outsourcing companies have poor business ability, but they are assigned to diffic

must be used to meet the needs of a large number of concurrent accesses. Linux Virtual Server (SERVERS,LVS) uses load balancing technology to make multiple servers a virtual server. It provides a cost-efficient solution for adapting to fast-growing network access requirements with a load capacity that is easy to scale

It is best to divide the routing load balancing network segments. This will not disrupt the routing behavior at the network layer, because the host or router forwards each packet through the "Route" found in the route table, unless the load balancing of the route table is achieved, otherwise, only a unique route is sel

implement the balancing of multiple network interfaces and failover. 2 Introduction to Load Balancing Technology and High Availability Technology 2.1 Server Load balancer Technology The main idea of Server Load balancer technology is how to evenly distribute network service

There are many ways to load balance the web, and here are a few common load-balancing methods. 1. User manual Selection method This is an older way. Load balancing is achieved by providing different lines and different server connections in the main home portal. This approac

Load Balancing with HaproxyFirst, the conceptHaproxy is a free and open source software written in the C language [1] that provides high availability, load balancing, and application proxies based on TCP and HTTP.Haproxy is especially useful for Web sites that are heavily loaded, and often require session-hold or seven

OSI model to achieve the software four-layer exchange has emerged, such a solution to achieve the same principle, but the performance is slightly worse. But to meet a certain amount of pressure or comfortable, some people say that the software implementation is actually more flexible, the ability to handle the full look at your configuration of the familiar ability. Software four-layer switching we can use the common LVS on Linux to solve, LVs is Linux Virtual Server, he provides a real-time di

Document directory IGMP multicast (IGMP Multicast) Refer: http://blog.csdn.net/ghj1976/archive/2009/03/17/3997840.aspx Recently, we are studying how to achieve Load Balancing (NLB) for csdn Forum Web servers ). Below is my documents: How NLB works Features of the NLB algorithm: In the NLB cluster, each server has its own static IP address, and all servers in the NLB Cluster also have a common IP a

offset from the investment point of view, is not a cost-effective solution. In addition to investment considerations, let's take a look at the benefits of using a firewall load-balancing scheme: Improve the utilization of firewall equipment, simplify the management and configuration of firewall equipment, can play the maximum performance of each device; Impro

Software load Balancing is generally implemented in two ways: the implementation of soft load based on operating system and the implementation of soft load based on third party application. LVS is a kind of soft load based on Linux operating system, Haproxy is an open source

1. Load Sharing-solutions for large service nodesA large amount of access traffic and users are the goal of information service providers. However, a large amount of access will impose a heavy burden on servers. As the number of users of excellent Internet application services increases, the server becomes overloaded. If a large number of user service requests cannot be processed in a timely manner, service interruption may occur. In the past, when so

. Apache can have a good static page processing capabilities, if paired with Tomcat can support both static and dynamic pages 2. Tomcat can assume low performance requirements for Web applications. Load Balancing In order to improve the usability and performance of the whole system, load balancing is often used, while

When the system administrator finds that the network performance is poor, the system administrator can allocate resources through network load balancing to optimize the resources. The development of the Internet has brought infinite fun to people's lives and brought infinite convenience to people's work. However, the rapid development of the network also makes people highly dependent on the network. Today,

from:http://yuhongchun.blog.51cto.com/1604432/697466 Now the trend of Web site development on the use of Network Load balancing with the increase of site size according to different stages to use different technologies:One is the hardware to carry out, the common hardware has more expensive NetScaler, F5, Radware and array and other commercial load balancer, it

MSTP addressing link load balancing and link detection topologiesFigure 11 topology shown, there are two links between the huiju switch and the Jieru switch, Huiju G0/0/1 Gigabit Port, G0/0/2 Gigabit Port, Jieru G0/0/1 Gigabit Optical port, E0/0/2 hundred Gigabit Electric port, Link1 is bare fiber, LINK2 Link uses transceiver for photoelectric conversion, transceiver for the hundred trillion.Requirements