101 · Question #283
Which two of these statements about OneConnect are true? (Choose two.)
The correct answer is B. It aggregates multiple client connections into a single server connection E. It decreases the CPU load on pool members. OneConnect is an F5 BIG-IP connection multiplexing feature that pools server-side TCP connections, reducing the overhead pool members incur from repeated connection setup and teardown.
Question
Which two of these statements about OneConnect are true? (Choose two.)
Options
- AIt decreases the CPU load on LTM
- BIt aggregates multiple client connections into a single server connection
- CIt decreases the amount of traffic between multiple clients and LTM
- DIt requires SNAT to be configured
- EIt decreases the CPU load on pool members
How the community answered
(45 responses)- A4% (2)
- B93% (42)
- D2% (1)
Why each option
OneConnect is an F5 BIG-IP connection multiplexing feature that pools server-side TCP connections, reducing the overhead pool members incur from repeated connection setup and teardown.
OneConnect shifts TCP session management work onto the BIG-IP LTM itself, so LTM CPU usage increases rather than decreases as it tracks and manages the multiplexed connection pool.
OneConnect multiplexes multiple client-side HTTP requests over a smaller set of persistent TCP connections on the server side, so many client connections are effectively funneled through a single or few server-side connections. This connection reuse eliminates the need for each client to independently establish and close a TCP session with the pool member.
OneConnect operates on the server-side segment of the traffic path between LTM and pool members - it does not alter or reduce the volume of traffic exchanged between clients and LTM.
OneConnect has no dependency on SNAT; SNAT is an independent address-translation feature and is not a prerequisite for enabling or using OneConnect profiles.
Because pool members no longer need to perform a full TCP handshake and teardown for every individual client request, the CPU cycles spent on connection management on those servers are substantially reduced. The BIG-IP absorbs that overhead on behalf of the pool members, leaving the servers free to process application logic.
Concept tested: F5 BIG-IP OneConnect TCP connection multiplexing
Source: https://techdocs.f5.com/en-us/bigip-17-0-0/big-ip-local-traffic-management-getting-started-guide/understanding-oneconnect.html
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