摘要
Cloud computing has firmly established itself as an indispensable utility for the digital age.Cloud services and consumers expect and rely on sufficient computing power,the availability of data and media,and that these will be accessible across a range of devices.The emergence of edge and fog computing paradigm leveraging the power of Internet-of-Things and cloud datacenters has led to an increased utilisation of distributed computing applications in our daily life.Cloud services providers are capable of maintaining streamed services that are always available.