What kind of protocol are used between Riak nodes?

Alvaro Videla videlalvaro at gmail.com
Mon May 28 13:45:39 EDT 2012

AFAIK Rial uses Erlang's distribution system. If you want to find more info search about "epmd" and Erlang Distribution.


Sent from my iPhone

On May 28, 2012, at 7:40 PM, Alek Morfi <alek.morfi at gmail.com> wrote:

> Hi there,
> What kind of protocol is used betwwen Riak nodes to communicate. Because if all Riak nodes are located in the same cluster (LAN network scale) there is no problem.
> But when Riak nodes are located on different clusters which are connected through Internet, there are some limitations. Because some ISPs only allow communicating by HTTP and SMTP protocol and I am wondering how Riak nodes can communicate over the Internet. We know that each Riak node is an Erlang application and Erlang application can communicate with each other by 1) distributed erlang 2) secure socket
> 1) Do Riak nodes communicate with HTTP protocol ? ( I mean internal communcation between Riak nodes)
> 2) If NO, then how we can connect Riak nodes in a large scale area such as WAN or Internet scale? (please consider the limitation that some ISP have on port number and communication protocol) 
> Cheers,
> Alek
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