Finally have some real feedback about BranchCache and BITS.  Got our site
built and began unit testing, What we found so far;

1. Seems like all Package and Program downloads are BITS background
transfers, so they follow rate limits, however, User initiated Application
downloads STILL happen in the foreground.  Anyone seen any documentation
that explains that?

2. Seeing a single test machine that randomly seems to have issues as large
transfers from Branchcache are occuring.  The system becomes unstable,
freezes as the hybrid drive software (lenovo expresscache) seems to peg the
HD, as this is occuring, the transfer from cache seems to stop, and it
begins to transfer from the DP.  Then randomly, back to the BranchCache.
Seems to happen with any type of "Cacheable" content, but only user
initiated Application installs seem to ignore the BITS rate limits. Anyone
seen this behavior?  Have any documentation that can explain it?

We haven't yet debugged the problem laptop yet, but theoretically, all of
our test systems are identical.

Long story short, it makes it impossible to use self service with the
AppCatalog if we can't reasonably plan for when this type of issue might
occur in this BranchCache with BITS model.  If all Application based pushes
need to be background, we can't use self service.

Please let me know your thoughts.


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