Cassandra will require a different address per node though or at least 1 unique internal for same DC and 1 unique external for other DCs. You could look into http://aws.amazon.com/vpc/ or some other vpn solution.
--- Chris Lohfink On Apr 29, 2014, at 6:56 PM, Trung Tran <tr...@brightcloud.com> wrote: > Hi, > > We're planning to deploy 3 cassandra rings, one in our datacenter (with more > node/power) and two others in EC2. We don't have enough public IP to assign > for each individual node in our data center, so i wonder how could we connect > the cluster together? > > Have any one tried this before, and if this is a good way to deploy cassandra? > > Thanks, > Trung.