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*Contact emails*
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[email protected] <mailto:[email protected]>,
[email protected] <mailto:[email protected]>,
[email protected] <mailto:[email protected]>
Summary
We would like to run another experiment for the Network State
Partitioning effort to better understand the performance impacts of an
alternative partitioning scheme. To date we’ve run experiments with a
triple-keyed HTTP cache and triple-keyed network state, and a
double-keyed HTTP cache and double-keyed network state.
As a possible compromise between security and performance tradeoffs,
which were
<https://docs.google.com/document/d/1UPjO44CMekDDXIKlih570Z6SOvKQnWzKoDe7APN_GHg/edit>discussed
<https://github.com/w3c/webappsec/blob/main/meetings/2022/2022-09-13-TPAC-minutes-2.md#cache-and-network-state-partitioning>at
a recent WebAppSec session at TPAC, we want to measure a triple-keyed
HTTP cache with the following network state key configurations:
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Triple-keyed network state (this is the first experiment we ran, but
the data is quite old now)
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Double-keyed network state
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Double-key with an is_cross_site bit (whether the iframe is
cross-site from the top-level parent frame).
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(and a control group, with unpartitioned network state)
As a reminder, here’s a link to the (triple-key) I2E
<https://groups.google.com/a/chromium.org/g/blink-dev/c/sLC_W6B8big/m/5sk787RQBAAJ>,
and the (double-key) I2E
<https://groups.google.com/a/chromium.org/g/blink-dev/c/WQtp7Ixd1RU/m/kpwD3E00EQAJ>.
This document only contains changes to previous intents.
Blink component
Internals>Network
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Internals%3ENetwork>
Goals for experimentation
We want to roll this out to 1% of Stable traffic (i.e., this is not an
Origin Trial) to be able to compare to the previous experiments.
Estimated milestones
We’d like to run at 1% on Stable for ~4 weeks, ideally beginning in M107
(but some chance of this slipping to M108 depending on timing).
Tracking bug
https://crbug.com/993801 <https://crbug.com/993801>
Launch bug
https://crbug.com/1166303 <https://crbug.com/1166303>
Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/6713488334389248
<https://chromestatus.com/feature/6713488334389248>
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