Limited IP addresses for Apigee proxies

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We have an issue arising from the limited pool of IP addresses that our Apigee proxies use, and our IDP service's imposed rate limitations per single IP address.

As far as I know, Apigee has a limited number of nodes with different IP addresses, consequently a lot of requests to the IDP service appear to be originating from the same IP address, so occasionally customers receive quota limitation errors. What would be possible ways to go about solving this issue?

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I suggest

  • reconfiguring your IdP so that it does not enforce the quota at all
  • reconfiguring your IdP so that IP addresses from Apigee Edge fall outside the quota, or under a different quota
  • employ caching to reduce the number of calls to the IdP. Be careful! This may or may not be correct and secure.