101 · Question #480
In a fully proxy architecture, what is considered the client in the server-side communications?
The correct answer is A. the ADC. In a full proxy architecture the ADC terminates the inbound client connection and originates an entirely new TCP connection to the server, making the ADC the client from the server's perspective.
Question
In a fully proxy architecture, what is considered the client in the server-side communications?
Options
- Athe ADC
- Bthe switch
- Cthe server
- Dthe client workstation
How the community answered
(52 responses)- A92% (48)
- B2% (1)
- C2% (1)
- D4% (2)
Why each option
In a full proxy architecture the ADC terminates the inbound client connection and originates an entirely new TCP connection to the server, making the ADC the client from the server's perspective.
A full proxy splits every session into two independent TCP connections: one between the originating client and the ADC, and one between the ADC and the backend server. Because the ADC initiates the second connection itself, the server sees the ADC's IP address as the client source for all server-side communications.
The switch operates at Layer 2 and forwards frames; it does not originate or terminate TCP sessions and is not a participant in the proxy connection model.
The server is the destination of the server-side connection, not the initiator, so it is the server-side endpoint, not the client.
The client workstation's TCP session terminates at the ADC and is never extended to the server in a full proxy model; it has no visibility into the server-side connection.
Concept tested: Full proxy architecture client-server TCP session roles
Source: https://techdocs.f5.com/en-us/bigip-17-1-0/big-ip-local-traffic-management-getting-started-guide/understanding-big-ip-ltm-product-overview.html
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