https://www.eecs.harvard.edu/~michaelm/postscripts/handbook2001.pdf https://www.eecs.harvard.edu/~michaelm/postscripts/handbook2... and > Best of 2 is good be

https://www.eecs.harvard.edu/~michaelm/postscripts/handbook2001.pdf https://www.eecs.harvard.edu/~michaelm/postscripts/handbook2... and > Best of 2 is good because it combines the best of both worlds: it uses real information about load to pick a host (unlike random), but rejects herd behavior much more strongly than the other two approaches. https://brooker.co.za/blog/2012/01/17/two-random.html https://brooker.co.za/blog/2012/01/17/two-random.html