White and: Before contact also do not understand what is IaaS, SaaS, PAAs later to the cloud manufacturer to work, only slowly understand.
The supply chain of cloud computing can be simplified to:
(large)
end users -
SaaS(software/Services)-
PaaS(Internet Platform)-
IaaS(infrastructure)--(small)
infrastructure providers
The demand of industrial chain originates from the end user, and the IaaS demand originates from Internet platform;
1. If you are an end user/consumer, your requirement is to access the Web, operate the software, use the service, and you deal with SaaS;
2. If you are a Web development team, software or service provider, your needs are development and testing environments, collaboration tools, storage services, and you are dealing with PaaS;
3. If you are a cloud service provider, your needs are to build venues for your platform, provide physical computing and storage space, and you will be dealing with IaaS;
4. If you are an IDC room, your needs are to build houses, buy equipment, do hardware maintenance, provide hydro-refrigeration, you and the Ministry of Miit, land Bureau, operators, local government, banks, developers, hardware equipment manufacturers, hydropower companies, property companies dealing with.
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