<div dir="ltr"><div class="gmail_extra">> <span style="font-family:arial,sans-serif;font-size:13px"> </span><span style="font-family:arial,sans-serif;font-size:13px">Implement a protocol that a client has to first ask to which server to connect to, and then go for it</span></div><div class="gmail_extra"><span style="font-family:arial,sans-serif;font-size:13px"><br></span></div><div class="gmail_extra"><span style="font-family:arial,sans-serif;font-size:13px">It is the best one if you can add it:</span></div><div class="gmail_extra"><span style="font-family:arial,sans-serif;font-size:13px"><br></span></div><div class="gmail_extra"><span style="font-family:arial,sans-serif;font-size:13px">1) it doesn't have DNS lag</span></div><div class="gmail_extra"><span style="font-family:arial,sans-serif;font-size:13px">2) it doesn't require such SPOF like HAProxy</span></div><div class="gmail_extra"><span style="font-family:arial,sans-serif;font-size:13px">3) you will have problem how to design resolver, but it will be simpler and it is possible to do it reliable and scalable.</span></div><div class="gmail_extra"><span style="font-family:arial,sans-serif;font-size:13px"><br></span></div></div>