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Anatoliy_Kayola's avatar
Anatoliy_Kayola
Icon for Nimbostratus rankNimbostratus
Mar 14, 2024

i4600 platform "Performance Layer 4" latency

What the expected latency on i4600 with "Performance Layer 4" VS type? H/W PVA acceleration is not available on i4600 platform, but 100-120 microseconds delay is too much. See no difference between...
application delivery
zamroni777's avatar
zamroni777
Icon for Nacreous rankNacreous
Mar 15, 2024

if still enabled, you can try disable "Acknowledge on Push" in virtualserver's client (side) tcp profile, so that f5 will acknowledge client's push without waiting for first segment of server response.

https://my.f5.com/manage/s/article/K50411377#datatransfer

  • Anatoliy_Kayola's avatar
    Anatoliy_Kayola
    Icon for Nimbostratus rankNimbostratus
    Mar 15, 2024

    Its "Performance Layer 4" VS with FastL4/npath profile, can't apply TCP profile.

    For testing I tried switching to "Standard" type and tune TCP profile, getting same >100mks latency.

    On i4600 (no ePVA chip) "Performance Layer 4"/FastL4 profile software acceleration doesn't work, getting same latency as "Standard".

    On 5K platform with ePVA chip latency  ~10-15 mks.