Understanding the implications and characteristics of cloud computing, SaaS, and PAAs

Terminology such as SaaS (software as a service), PaaS (Platform as Service), cloud computing, cloud security, cloud services and so on. Almost all software companies are turning to SaaS, and IT service providers are ready to switch to cloud computing, and all VC software is only considered for SaaS and cloud computing.

SaaS and cloud computing have more than 10 different definitions and there are "true and false SaaS", like Web2.0, when companies in many different areas want to ride SaaS and Cloud Computing Express.

SaaS is software delivered over the Internet, charging users a monthly service charge. Users use the software through the Internet, do not need to buy software, hardware, and do not need maintenance and upgrades. SaaS operators unify installation, upgrades, and maintenance of software and hardware. SaaS is often used in enterprise management software, with product technologies and markets leading the Salesforce in the United States. Domestic similar manufacturers to 800 customers, Wallison, mainly the development of CRM, Jiacubiaojierp and other online applications. Ufida, Kingdee and other veteran management software vendors have also launched the online financial SaaS products. Microsoft has proposed a Software+saas model for other large software companies in the world, and Google has launched a competition with Microsoft Office Googleapps;o Racle in the acquisition of sieble upgrade Siebleon-demand after the launch of Oracleon-demand; SAP has introduced a traditional and SaaS hybrid (Hybrid) model.

Standard SaaS Software has several features: first, users can start immediately after registration, or call on the need to use, or call on demand; the second is the unified management of all customers ' procedures and data; The third is that the program and database use multiple leasing architectures (multi-tenant) to improve the scalability of the stability, and reduce maintenance costs. This is also the standard of "true SaaS". These features, which differ from traditional software, offer customers a better experience and lower prices. Why is SaaS so hot? As MP3 music replaces CDs, many people predict that SaaS is gradually replacing the traditional software delivery model.

PAAs is the development trend of SaaS technology, PAAs can provide customers with higher performance, more personalized service. If a SaaS software can also provide customers with the ability to develop (customize), test, and deploy applications on the Internet, this is called providing platform services, PAAs (Platform-as-a-service: Platform, Service). Salesforce's force.com platform and 800 800ApP are PAAs representative products. PAAs vendors also attract software developers to develop, run, and sell online software on PAAs platforms.

The concept of cloud computing is rising later than SaaS. What is the difference between cloud computing and SaaS? Cloud computing is a data center or supercomputer built using virtual technology, and is provided to software developers on a free or on-demand basis, that is, hardware as a service Haas (Hardware-as-a-service). The cloud refers to the Internet. Unlike a virtual host, cloud computing provides greater computing power, storage, and bandwidth by using multiple servers in parallel. Cloud computing is geared toward software developers, and SaaS provides software services directly to users. Cloud computing vendors enable developers to develop and run applications without considering hardware and bandwidth constraints through hardware-on-demand virtualization technologies.

SaaS, cloud computing and cloud services are often confused. Cloud services provide software or other IT services on cloud computing, such as online databases, products with TrackVia, Amazonsimpledb,microsoftssds, and online storage services, including Box.net, AmazonS3, etc.

When it comes to SaaS and cloud computing, people often want to try or experience it on the web, and all the leading vendors offer trial accounts. The following is a comprehensive analysis of the products and market positioning of several major manufacturers, allowing you to learn more about SaaS and cloud computing in depth.

Salesforce is a pioneer of software, a service maker, after which dozens of software-service companies followed, including 800 Chinese customers. And 800 customers are currently the domestic supply of mature PAAs products of Chinese companies. Salesforce, two years after the launch of the PAAs, became the first SaaS Cloud company to sell more than 1 billion dollars a year. Then Amazon and IBM's cloud computing products started.

The market positioning of PAAs vendors is to provide an easy-to-use, full-featured Enterprise management software for end customers. Salesforce also launched the AppExchange platform, which attracts developers of various management software subdivisions to develop and operate cloud services on their PAAs platforms, and to take an acquisition strategy for small, performing firms.

Amazon's cloud computing products are always called Amazonwebservice (Amazon Network Services), mainly composed of 4 parts, including S3 (Simplestorageservice, simple storage services), EC2 (Elasticcomputecloud, Scalable computing Cloud), SQS (simplequeuingservice, simple information queuing service), and SimpleDB. In other words, Amazon currently provides developers with storage, computing, middleware, and database management system services, developers can develop applications in the Amazon cloud, and based on Amazon's billing model, to hire software to end users.

Apps is a web-based office software. Apps has a free version and a fee version of two. Google has also teamed up with Salesforce to provide integrated technology for apps and Salesforce products.

At present, most of Google's apps users are college students, small business employees and other ordinary consumers, rather than corporate groups. Google also admits it has no plans to use it to replace Microsoft Office office automation software. The alliance between Google and Salesforce is considered to be a cross in the target market, but it can be won altogether.

Microsoft has been focused on the rise of SaaS and cloud computing and is poised to compete fully with Google's operations outside the search engine. A software service--ssds that runs on the web. It has been positioned as a competitive product for AmazonS3 and other web databases. However, Microsoft's move has not caused the fear of rivals, TrackVia and other web database manufacturers have recently said that it is not afraid of Microsoft SSDs.

Unlike Salesforce, Google and IBM, Microsoft has been leasing data centers for years, but it is now starting to build its own data centers around the world.

SaaS and cloud computing are becoming synonymous with all-encompassing "internet-based software Services". New products and companies have sprung up. With the advent of new software service models, SaaS and cloud computing will replace traditional software development and delivery models.