Cloud data centre traffic will comprise 80 % of total data centre traffic by 2021 , a study conducted by Cisco has revealed . A rise in both residential and business applications and cloud services has contributed to this increasing reliance on the cloud . In addition , the growth of IoT devices , smart cars , smart cities and health devices has caused data traffic to rise from 10 zettabytes last year to a mere 19.5 zettabytes by 2021 .
Cloud data centre traffic will represent 95% of total data centre traffic by 2021, a study conducted by Cisco has revealed. A rise in both consumer and business applications using cloud services has contributed to this increasing reliance on the cloud. In addition, the growth of IoT applications, smart cars, smart cities and health devices has caused data traffic to rise from six zettabytes last year to a forecasted 19.5 zettabytes by 2021.