Define High Availability

This article aims at the risk type of cloud computing using classic "CIA three", namely confidentiality, integrity and usability to define, and put forward relevant defense, detection, blocking measures. 　　This section describes availability. 　　"A": Availability (availability) risks are closely related to the vulnerabilities and threats of service reliability when taking into account services that require reliable use of low risk and low failure rates. 1 Service Denial of service (DoS) or Distributed denial of service (DDoS) attacks are attempts to make ...

Last article we said memcached to achieve high availability and prevent a single point of failure can be implemented through magent, next we configure a highly available cluster magent proxy server: 192.168.200.101 memcached node: ( Can be on the same server to open three memcached node to see the previous introduction, can also be one server one memcached:192.168.200.100 11000 port memcached:192.168.2 ...

Large amounts of data and information generated by large data and high-performance applications have been exploding. How the data is stored, managed, analyzed, and protected determines the company's success or failure. 　　Therefore, the company chooses which storage platform or solution as the foundation of IT infrastructure, always plays a decisive role. For enterprise storage systems, the key to success is platform flexibility. In today's highly competitive environment, only flexible, scalable storage platforms can be scaled for a new generation of business requirements. To handle high-performance applications and data-intensive workflows while satisfying users not ...

At the "2014 Global Cloud Computing Conference" in September, the Universal data officially released the GDS cloud disaster preparedness solution, which further consolidated its position as China's disaster recovery industry leader, established in 2000, the world's data, the beginning of the main disaster preparedness business mainly, Since 2007, the expansion of the entire data center business, currently in Shanghai, Shenzhen, Kunshan, Chengdu have built a high level data center, the country has 17 data centers operating. In an interview with senior Vice President Chen Yilin of kingdoms data, it was mentioned that there were no extensions to North America, Europe and other regions ...

Over the past five years, cloud computing has become a good, bad effect, by not being recognized and now widely used. At the same time, IT companies have begun to notice that in order not to be eliminated in the industry, they must embrace the cloud and let the cloud change their existing state. Cloud computing is very popular with customer applications, such as photo sharing, where the environment is quite different when it comes to corporate environments. Although corporate cloud is ideal for everyday applications, such as e-mail, the enterprise has a different set of business, operational, security, and compliance needs, so ...

Windows http://www.aliyun.com/zixun/aggregation/13357.html ">azure computing platforms, which include WEB role, Worker role, and virtual machines, are based on computer virtualization. Deep access to the underlying operating system makes Windows Azure's platform, a service (PaaS), uniquely compatible with many existing software components, runtimes, and languages, and of course, without this in-depth access (...).

In the new home a little bit settled down, but the heart or lack of practical sense of direction, cats are also some look forward to panic, to continue to habit; I hope everyone is well. The present candidate seems to have already had a translation, but as I said in "About Beforweb," I only pick what I like, my own learning and collection value, other factors that I do not have a half a dime relationship. No more, just get to the point. In interpersonal relationships, good first impressions are very important and people are willing to be in each other's body ...

Heiser, vice president of Gartner Research, said that achieving a high level of http://www.aliyun.com/zixun/aggregation/13634.html "> Cloud computing Security still requires a long and arduous effort." He said companies and government organizations with sensitive data could be evacuated from cloud services until security in cloud computing improved. "Financial institutions are more conservative than small businesses in cloud computing," says Heiser. "In addition, he believes that the use of the base set ...

Zhang Fubo: The following part of the forum is mainly four guests, talk about cloud practice. Beijing First Letter Group is the Beijing government's integration company, mainly responsible for the capital window of the construction, they are also in the domestic, in the government industry earlier in a company, as the first letter Group Technical Support Center General Manager Zhang Ninglai for us to do the report. Zhang: Good afternoon, we have just introduced, I am from Beijing First Letter Development Co., Ltd., I bring today is the result of our practice in cloud computing technology these years. Today is mainly divided into three parts, we mainly do is the field of e-government applications, we are mainly ...

The 1th part of this series discusses the basic aspects of cloud computing, including the cloud layer and different cloud types and their pros and cons, and explains why it is important for enterprise developers to understand the cloud. The 2nd part explores the public cloud and how to deliver Web applications hosted on the public cloud infrastructure using Ibm®websphere®smash and IBM db2®express-c. This article will refer to ...