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Q&A: How is the traffic flow through Silverline infrastructure different with Regional PoPs?

 

Question

How is the traffic flow through Silverline infrastructure different with Regional PoPs?

 

Environment

  • Silverline WAF
  • Proxy/Proxies
  • Regional PoPs

 

Answer

Regional PoPs introduce a change in behavior and traffic flow for customer applications.

  • To enable Regional POPs to process traffic correctly for end-users, Silverline customers must configure their DNS correctly to point to the Silverline-provided CNAME / "Assigned DNS Name". -- See How do I use / configure the new Regional PoP in Silverline Proxies?
  • This enables the Global Service Load Balancing (GSLB) technology within F5 Silverline to correctly steer end-user traffic to the optimal location based on their Local DNS server.
  • The diagrams below compare the traffic flow without Regional PoPs (top image) and with Regional PoPs (bottom image).
Screen_Shot_2019-10-23_at_1.40.04_PM.png  
   
Screen_Shot_2019-10-23_at_1.40.17_PM.png  

 

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