“Up gradation of Network monitoring Software with Absolute Zero Downtime and no Performance Loss Using Double virtualization”, int.jour.sci.res.mana, vol. 3, no. 8, pp. 3474–3476, Aug. 2015, Accessed: May 12, 2024. [Online]. Available: https://ijsrm.net/index.php/ijsrm/article/view/297