Re: [w3ctag/design-reviews] Review request: Partitioning Network State (#596)

Sorry, should have made that clear.  Yes, I think whatever we do, SW (and all storage) should ideally be partitioned by network partition key.  If you have B->C->B and use the full path as the key, the inner B would have its own SW, which would certainly a bit funky.

Chrome's current scheme would result in partitioning them effectively the same way as just using top frame site as keys, while using the fully path would result in rather different behavior.

The nice thing about a single key everywhere is that if new features affect the key (e.g., if first party sets are ever standardized - something which, admittedly, I'm personally a bit wary of due to potential user confusion over which sites share user ID), then we just update the key, and everything magically starts using the updated partitioning scheme.

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