Is there any way to configure Amazon EC2 instances to support multicast discovery needed for EhCache

amazon-ec2 ehcache multicast
Archer picture Archer · Apr 27, 2011 · Viewed 9.5k times · Source

Is there any way to configure Amazon EC2 instances to support multicast needed for EhCache auto-discovery? (through iptables hacks etc)/

Answer

Vincent Giguère picture Vincent Giguère · Jun 19, 2011

There is no multicast between EC2 instances. Amazon does not allow it.

There is a straight answer on the FAQ http://aws.amazon.com/vpc/faqs/#R4

You can submit a request to AWS, I am sure that you (we) are not alone facing a requirement to easily auto-scale an EHCache on amazon.

Terracotta seems to have a solution, cloud tools. http://ww1.terracotta.org/documentation/3.7/cloud-tools/get-started

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