Dns Load Balance

In order to improve the performance and workload of the server, enterprises usually use DNS server, network address translation technology to achieve multiple server load balancing, especially the current enterprise external Internet Web site, many are through several servers to complete the server access load balance. The current enterprise uses the so-called "load balancing server", in fact it is a control server of the application system, all users request first to this server, and then the server according to the actual processing server-like ...

&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; With the increase of traffic volume and the rapid growth of traffic volume and data flow, the processing capacity and computing strength of the existing network have been increased correspondingly, so that single server equipment cannot afford it at all. In this case, if you throw away the existing device to do a lot of hardware upgrades, this will cause the waste of existing resources, and if again ...

Network Load Balancing allows you to propagate incoming requests to up to 32 servers that can use up to 32 servers to share external network request services. Network Load Balancing technology ensures that they can respond quickly even in heavy loads. Network Load Balancing must provide only one IP address (or domain name) externally. 　　If one or more servers in Network Load Balancing are unavailable, the service is not interrupted. Network Load Balancing is automatically detected when the server is unavailable, and can be quickly in the remaining ...

1. In essence, Network Load Balancing is an implementation of distributed job scheduling system. As the controller of Network request allocation, the equalizer uses centralized or distributed policy to allocate network service requests according to the current processing capability of cluster nodes, and monitors the effective state of each node in the lifecycle of each service request. Generally speaking, the balancer has the following characteristics for the dispatch of the request: The Network Service request must be a manageable request allocation to the user is transparent best able to provide Http://www.aliyu ...

&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; The Web application server cluster system is a cluster system composed of a group of servers running the same Web application at the same time, which looks like a server to the outside world. In order to balance the load of cluster server and to optimize the performance of the system, the cluster server distributed many requests to different nodes in the system. From the ...

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First of all, introduce a DNS system: the traditional DNS resolution is a domain name corresponding to an IP address, but through the DNS round robin technology (load Balancing technology) can be a domain name corresponding to more than one IP. So we will inevitably ask, what is the use of this technology? DNS round robin refers to the interpretation of the same domain name to different IP, random use of one of the host technology, the technology can be smart to adjust the site's access to different servers, reduce the pressure on the Web server to achieve load balance; If you feel that a single host is already overwhelmed your site is growing ...

Introduction Cloud application developers and DevOps have successfully developed tens of thousands of applications for IaaS (Amazon AWS, Rackspace, etc.) and PAAs (Azure, Google App Engine, Cloud Foundry, etc.) platforms. These platforms provide basic security mechanisms such as authentication, Dos attack defense, firewall policy Management, logging, basic user and account management, but security concerns remain the primary obstacle to enterprise cloud implementations. Security concerns for the cloud, deploying from a secure configuration ...

Server08 R2 is the cloud mainstream operating system 2012, the development of cloud computing has begun to descend slowly, after all, the ultimate goal of cloud computing is to bring profits to the business, to bring convenience to people's lives, illusory things even if the outline of the perfect will be eliminated.   In 2012, cloud computing has begun to solve the real problem for users, the major IT vendors have launched their own cloud solutions, it can be said that the next step of cloud computing will usher in a real test, but also the cloud is ushered in a rapid landing opportunities. ...

Improve Network Service resource quality, save IT cost, realize multi-point disaster prevention backup "server +IDC" is the basic mode of enterprise building IT system, but now, the pattern is changing. The disadvantages of traditional server model are obvious, the application workload is constantly changing, the single application server is often unable to meet the demand, and the rapid increase in the number of servers, will cause the enterprise capital and operating costs rise. At the same time, increasingly complex IT systems and data centers can be difficult to quickly configure and efficiently manage to meet changing needs. In every it encounter bottleneck ...