[rabbitmq-discuss] Securing Messages Over WAN Link

[Richard Raseley]

I have a desire to send messages via RabbitMQ over a WAN link between data 
centers in different continents. One of the primary concerns that I have is 
for securing the messages while they are in transit. 

I originally was considering offloading the encryption / decryption to our 
commercial load balancers because I was concerned about high processing 
overhead for encryption and decryption on each packet; upon further 
investigation I had to eliminate this as an option because our commercial 
load balancers only allow us to encrypt / decrypt the traffic if it is 
already in the HTTP format (which RabbitMQ's communications obviously are 
not).

Could anyone provide any guidance on what they use for securing traffic 
over the WAN? Is the built in SSL / TLS support in RabbitMQ (as outlined 
here http://www.rabbitmq.com/ssl.html) sufficient for such purposes? Should 
I be concerned about the additional overhead in processing requirements for 
an estimated 10 million+ messages per day?

Any help would be greatly appreciated. Thank you in advance.
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