Ok cool. Thanks Jens. On Friday, June 3, 2016 at 2:05:52 PM UTC-6, Jens Alfke wrote: > > > On Jun 3, 2016, at 9:59 AM, Brendan Duddridge <[email protected] > <javascript:>> wrote: > > Because replication is doing a lot of uploading, it's saturating his > available bandwidth. And because he has an ADSL connection I've read, the > download performance can suffer greatly when you're using up a lot of the > upload bandwidth. > > > I’ve had ADSL at home for all but a few of the last 16 years, and I don’t > remember having this sort of problem. And for a long time my upload rate > was well under 1mbit/sec. But I know there are different types of ADSL and > maybe his is different. > > The thing is, I don’t know what I could do about this. NSURLConnection and > NSURLSession are the black boxes doing the networking in CBL, and they > don’t offer any settings to limit bandwidth. In addition, any fixed limit > isn’t going to work all the time since the total bandwidth depends on all > processes on all devices. (BitTorrent is able to get around this, but by > some clever heuristics that only work because they’ve implemented their > network protocol on top of UDP so they have control over every packet they > send.) > > I’d suggest asking on the macnetworkprog mailing list at lists.apple.com. > Various Apple networking gurus like Quinn and Josh Graessley hang out there > and are very helpful. > > —Jens >
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