Hi there, I'm interested in experimenting with the set up you recommend here and your clarifications to my questions below would help. Do you need to have your FS instances hosted by Amazon in order to benefit from the LBR? When you mean centralized DB, am I correct in assuming this being a PostgreSQL or MySQL set up? How do you store and use location based information for registrations? Thanks a bunch for any help you may provide. Regards, Emrah On Jun 5, 2013, at 5:16 AM, adahary <adahary@gmail.com> wrote:
I understand your point about the 3xx redirct option, so I'm dumping it. I've considered also using Kamailio/OpenSips for REDIRECT&LoadBalance and RTPproxy and found it too complex and time consuming (I've already setup a working small network).
I was researching the DNS-SRV geo-routing solution but then I got into a much simple and friendly solution which is the AWS-53 Latency Based Routing (LBR) service. The LBR replies to the client's DNS query with the nearest FS server by measuring the latency between the client and the nearest AWS region that host the targeted FS. The AWS-53 provides also other tools for failover, load balacing and monitoring so the global FS network can scale up easily.
Once the client is ON the nearest FS then all the rest is based on the FS dialplan routing scheme. One centralized DB (with back up) will hold all the clients credentials and their current status location. Once the client make a call, the hosted FS will look up for the current location of the called client and route it to the remote FS (client 1 -> FS A ->LOOKUP -> FS B -> client 2). Both FS A&B will be setup with proxy_media mode for maintaining clients' NAT and RTP media transparency (end2end codec policy).
I found this setup simple, scalable and cost effective.
I would appreciate any advice/feedback on this setup plan.
Regards
Assaf
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