On 11/10/15 7:16 PM, Dag-Erling Smørgrav wrote: > Bob Bishop <rb_at_gid.co.uk> writes: >> Is removing HPN going to impact the performance of tunnelled X >> connexions? yes if your rtt is greater than about 85 mSec I don't know he details but I noticed a big difference. I had thought X wouldn't show much difference but in fact it did. At work we had to add HPN to get anything like acceptable performance on various tunnels our appliance uses. > I don't think so. It mostly affects the performance of long > unidirectional streams (file transfers) whereas the X protocol, as far > as I know, is a bidirectional exchange of relatively short messages. It > may make a difference for applications that transfer large textures... > I don't really know enough about the X protocol to say for certain, but > I am typing this in Emacs over a non-HPN SSH connection, and I regularly > tunnel Firefox between the same two machines (RHEL 7 desktop at work and > FreeBSD 10 desktop at home). > > DESReceived on Wed Nov 11 2015 - 10:33:21 UTC
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