[SIPForum-discussion] SIP servers scalability and redundancy

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SBC for SIPdear folks,

I have 4 sip proxy servers, 2 sip app servers, 2 sip ms servers and 2 sip presence/im servers to deploy redundancy based sip service network.

What scenario should I take to achieve redundancy feature ?
Some guy told me to use commercial load balancer like CoyotePoint in front of each servers.
Please give me your comment.

thanks a lot,

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