Resource Provisioning Techniques in Multi-Access Edge Computing Environments: Outlook, Expression, and Beyond

Table 2

Research questions and search keywords.

Research questions	Search keywords	Article selection	Digital libraries
Why is there an urge to migrate to edge cloud?	Need, benefits, requirements, motivation, MEC migration	Survey	(i) ACM Digital Library; (ii) Springer Link; (iii) ScienceDirect; (iv) IEEE Xplore; (v) Google Scholar; (vi) Scopus; (vii) Wiley; (i) Compendex; (ii) Whitepaper; (iii) Hindawi
What are the challenges in MEC?	Challenges, issues, mobile edge cloud, mobility	Survey
What are the existing solutions or tools for MEC resource provisioning?	Tools, solutions, framework, process	Survey, research manuscript
What is the role of 5G in MEC?	5G and MEC, issues, need of 5G and MEC	Survey, research manuscript
What distinguishes MEC, fog, and cloud computing from one another?	Differences, compare, fog, MEC, cloud	Survey, research manuscript