[c-nsp] How to load balance multiple MPLS links from two different providers?

[jacob c]

We have two MPLS connections to every site. One is Sprint and one is ATT. The ATT link carries all the voice data amongst the sites and everything else goes over the Sprint link. We hav no control over any of this as it is all managed by the providers.
   
  I would like to take better advantage of the links by load balancing all my traffic across both links but avoid asymetric routing. Is there a way to do this?  The only option that comes to mind is a DNS type of load balancer which I have used in the past for multiple internet pipes, each with it's own unique block of addresses from the ISP. My local lan though is only one subnet. Any ideas or suggestions?
   
  Thank you,

       
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