Fix broken round robin links (donnemartin#351)

README.md

@@ -593,7 +593,7 @@ DNS is hierarchical, with a few authoritative servers at the top level.  Your ro
 
 Services such as [CloudFlare](https://www.cloudflare.com/dns/) and [Route 53](https://aws.amazon.com/route53/) provide managed DNS services.  Some DNS services can route traffic through various methods:
 
-* [Weighted round robin](http://g33kinfo.com/info/archives/2657)
+* [Weighted round robin](https://www.g33kinfo.com/info/round-robin-vs-weighted-round-robin-lb)
     * Prevent traffic from going to servers under maintenance
     * Balance between varying cluster sizes
     * A/B testing
@@ -682,7 +682,7 @@ Load balancers can route traffic based on various metrics, including:
 * Random
 * Least loaded
 * Session/cookies
-* [Round robin or weighted round robin](http://g33kinfo.com/info/archives/2657)
+* [Round robin or weighted round robin](https://www.g33kinfo.com/info/round-robin-vs-weighted-round-robin-lb)
 * [Layer 4](#layer-4-load-balancing)
 * [Layer 7](#layer-7-load-balancing)