Understanding the challenges and novel architectural models of multi-cloud native applications – a systematic literature review

Journal of Cloud Computing

Advances, Systems and Applications

Table 8 Identified challenges in the SDLC/SOLC of multi-cloud applications

Multi-cloud application SDLC/SOLC phase	Main challenges categories	Related Primary Studies
Design and development (RQ4.1)	Application components NFRs compliance and resource level matching.	[33, 48, 69, 77, 79, 81, 101]
	Software components partitioning	[61, 67, 103]
	Cloud agnostic application architectural models	[45, 48]
	Lack of specific cloud security standards	[96]
Deployment (RQ4.2)	Cloud services heterogeneity	[33, 45, 48, 59, 85, 98, 104, 106]
Deployment (RQ4.2)	DevOps practices specific to multi-cloud	[8, 40, 48, 105]
Operation (RQ4.2)	Dynamic re-adaptation	[48, 66, 102, 106, 107]
	Communication layer	[77, 96]
	Lack of specific cloud standards	[26, 61, 67]
	Maintenance & evolution	[58, 65, 72, 85]
	Cloud federation	[8, 51, 67, 78, 79, 81]
	Risk management and security	[45, 98]