> On 2014-12-10, at 11:08, Nikhil Marathe <nsm.nik...@gmail.com> wrote:
> 
> I guess having some primitives for structured clone like behavior would be
> nice. That too can be handled by use of Response.blob() and
> FileReader[Sync]() on workers, but having primitives means that UAs could
> optimize the structured clone behind the scenes instead of actually
> creating Blobs.

If one side sends an entity body using a Blob or BufferSource and the other 
side reads it in the same fashion, then we can do a structured clone underneath 
and avoid HTTP serialisation costs.  That’s an optimisation that might not even 
produce benefits if the data is going cross-process.
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