Web Server Redundancy

Although cloud services are widely used and innovated by various enterprises, cloud services are not perfect. Even leaders like Amazon Web services have experienced a variety of downtime events. The good news is that with cloud computing, you can also protect your services in some way from the impact of cloud service provider downtime, although this approach may not be appropriate for traditional server hosting. One thing you should remember, though, is redundancy-the most important strategy for your cloud computing downtime. In addition to traditional backups, the most advantageous defense against cloud downtime is planning redundancy. The idea is very simple: if a server ...

Cloud services are not perfect. Even leaders like Amazon Web services have experienced a variety of downtime events. The good news is that using cloud computing, you can also somehow protect your services from the impact of cloud service provider downtime, which may not apply to traditional server hosting. Remember that the most important thing in your cloud computing downtime strategy is redundancy. In addition to traditional backups, the most advantageous defense against cloud downtime is planning redundancy. The idea is simple: If a server goes down and other servers take over, the end user won't even notice the problem. Achieve redundancy ...

Now almost any application, such as a website, a web app and a mobile app, needs a picture display function, which is very important for the picture function from the bottom up. Must have a forward-looking planning picture server, picture upload and download speed is of crucial importance, of course, this is not to say that it is to engage in a very NB architecture, at least with some scalability and stability. Although all kinds of architecture design, I am here to talk about some of my personal ideas. For the picture server IO is undoubtedly the most serious resource consumption, for web applications need to picture service ...

&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; The so-called Blade server (which is precisely called a blade server) means that multiple, modular server units can be plugged into a standard, rack-mounted chassis to achieve high availability and high-density. Each "blade" is actually a system motherboard. They can be launched from the "onboard" hard drive.

Server market on a wide range of products, all the Chinese and foreign servers for large, medium and small users to launch a high middle and low full range of servers, especially in the low-end areas, the same level of server homogenization serious. And the major manufacturers in order to more prominent products hot: began in the service, the program to carry out guise, packaging, making similar products in the user to buy server products are more and more confused. &http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp ...

The so-called Blade server (which is precisely called a blade server) means that multiple, modular server units can be plugged into a standard, rack-mounted chassis to achieve high availability and high-density. Each "blade" is actually a system motherboard. They can start their own operating system via "onboard" hard disk, such as Windows nt/2000, Linux, and so on, like a separate server, in which each motherboard runs its own system ...

A typical application requirement for a small Enterprise server system at present, a large number of network applications have gradually infiltrated into every aspect of the daily work of small and medium-sized enterprises. For a PC-side in 80 small and medium-sized enterprises, its IT applications are generally concentrated in the following parts: Web services, Internet sharing access, file sharing/print sharing, mail server, financial management, advanced Office automation services, invoicing management/ERP/CRM/SCM, domain user management, database 　　, anti-virus system and so on. In the above medium and small-sized Enterprises application, the general load pressure is not like the large-scale enterprise ...

There is no such thing as a "cloud server", which can quickly form an industrial scale and be applied in practice. "Cloud server" sensitive to capture market demand, only in a short year, many server manufacturers at home and abroad have launched their own products. At present, although the "Cloud computing server" can not be given the exact definition, but compared with the existing general-purpose server, it has a unique feature, from a single faction. Broadly speaking, cloud computing server is suitable for cloud computing applications, such as racks, blades and other servers, unlike general-purpose servers for a variety of applications, taking into account the versatility and scalability applications, cloud services ...

The server is actually a combination of software and hardware, from a broad perspective, it can achieve two functions one is to store the entire http://www.aliyun.com/zixun/aggregation/32416.html "> The information in the network system so that other access to the network, followed by the ability to access the information of the front-end devices from the existing information to provide the required information. It can be said that the server is the whole network system in the heart, to ensure the efficient work of the entire network system ...

&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 ...