Cloud Platform Credibility Assessment System Based on D-S Theory and Blockchain Technology

Table 1

Cloud platform trustworthiness category.

	Credibility category	Meaning	Example of credibility problems
	Infrastructure credibility	It refers to the credibility of the platform physical infrastructure.	Such as dilapidated infrastructure, damaged infrastructure, and data center disaster
	Service function credibility	It refers to the credibility of the platform service in terms of function.	Such as lack of function, poor usability, and difficulty in function expansion
	Network credibility	It refers to the credibility of the platform in terms of network transmission.	Such as unstable network transmission, lack of effective network defense support, and vulnerable to DDoS attack or CC attack
	Service provider management credibility	It refers to the credibility of the platform provider in the management of platform environment, services, infrastructure, network, etc.	Such as untimely maintenance and updating and no clear responsibility attribution agreement
	Platform internal environment credibility	It refers to the credibility of the platform internal environment.	Such as the mandatory function of the platform and the attack of other cloud tenants in the same platform