donovan jeffrey j ha scritto: > > On Feb 16, 2010, at 8:09 AM, aa wrote: > >> Someone advised me to insert in the DNS zone a list of MX records >> defined with the same level of priority so the DNS server will choose >> one of them without invoking always the same mail server.... >> It could be an idea, in my opinion, but I'd prefer a "less random" >> solution and a more scientific one.... > very easy for smtp relays. > smtp1 > smtp2 > create a dns name smtp, and your system will round robin query for the > next available server.
DNS round robin is bad, it works but is defective for real load balancing. The client choose the IP to use, this is "random", and after can use the same ip for a while... this is not random. The real solution is lvs or keepalived, the choice of the node is done by the load balancer... Bye.
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