From: Rick Jones

On 02/26/2014 05:09 PM, Stephen Hemminger wrote:

quoted

Since srtt is scaled by 8 and is 32 bits, This does reduce the maximum
possible RTT to 8 minutes or so. Which is fine, just wanted it to be
noted.

I have encountered some situations recently, admittedly very
pathological, where the RTT through a VPN connection was measured in
minutes.  I don't think it got as high as 8 minutes, but it did get as
high as three or so.  Also mentioned only for the record.

RFC 1149 anyone :-)

I've also seen 20 minute ping responses (a long time ago).
Mind you that was a pathologically broken test senario and all sorts
of things conspired to delay the traffic.

	David