#arpnetworks 2015-08-22,Sat

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WhoWhatWhen
grodymercutio, i suspect thats what it is
less loss / jitter
have a clean, straight route to ARP
[04:07]
mercutioI used to care about that stuff a lot more.
It gets OCD'ish though.
Now I've widened my tolerance.
[04:08]
grodyit only niggled me as i wanted to play some old irc buddies on tekken [04:08]
mercutiogrody: do you ssh remotely? [04:08]
grodyyea [04:08]
mercutiolike a long distance
try out my ssh in-band latency test :)
https://weallsee.net/cl
[04:08]
grodyhmm [04:09]
mercutiooh and cloudflare's performance is starting to erk me :)
or cl.c for source
that's 64 bit linux binary
[04:09]
grodylongest SSH is me to here, here to Aus
thats painful
[04:09]
mercutiodo it on a medium one :)
Yeah, UK from NZ can be painful
And Australia is slightly further away than NZ from UK
[04:09]
grodylike being on ssh on 28k
and im torrenting too
[04:10]
mercutio28.8k i lower latency.
is
do you have a close box to ssh to
you can do dbclient user@host1,user@host2
helps a lot
so if you have loss between host1 and you it can resend over closer hop
or loss between host1/host2
[04:10]
grodyoh wow [04:10]
mercutiowell worth trying to AU
it does a tcp port bounce
[04:10]
grodydynamic ssh pipes [04:11]
mercutioso it's secure
ie you don't have to ssh from host1, and expose your key
i think ssh -A is insecure (slightly)
i'm not sure
i want to figure that out
[04:11]
grodyi wonder if in 50 years, lag will be a thing of the past [04:12]
mercutionope
speed of light and all that
[04:12]
grodyespecially if quantum entanglement shows up promise [04:13]
mercutioUK <-> NZ is always going to suck
but
there are ways to make lag not so bad.
[04:13]
grodyaye, but we could send data directly through earth, instead of up, down, up down, across [04:13]
mercutiowhich is what i'm interested in in a way
that's very very complicated
atm
i don't think it's likely to happen anytime soon
there's also microwave to reduce latency too
which is likely to start happening in parallel more i suspect
i'd like inner city latency to decrease myself
err i mean i wnat pings of < 1 msec instead of < 2 msec to neighbours etc.
[04:13]
grodyUKs inter-links to each other are most of the time pretty good [04:15]
mercutioi don't think local peering is good
it's a complicated problem though
usually connections are terminated far away
and even on gpon connections latency is often 1 msec
so 1 msec + 1 msec for neighbour, plus if they're on different isp
then the link between the two
within the same city you may get 2.5 msec
[04:15]
grodywell.. i had a home @ office link on the same FTTC cab, however, they both had to go uptoward london and back before seeing each other
BT do allow a GEA access, where peering can be done on the same cab
[04:16]
mercutioyeah that's what i mean
it doesn't necessarily peer locally
[04:16]
grodyso if my office and home were on the sae cab, they could peer directly via the cab and not over the internet [04:16]
mercutiopeople are stil;l used to aggregating circuits remotely etc
but again latency mitigation makes it matter much less
[04:16]
grodymm [04:17]
mercutiocifs sucks with latency
like even 20 msec latency can hurt quite bad
and 20 msec is what 1500 miles?
maybe 3000 miles
i dunno
anyway
atm if you can keep latency under 20 msec things are pretty good
but really 60 msec should be able to work good too
[04:17]
grodymy friend down the road who i lan party with sometimes, we get 19-25 ms to each other [04:18]
mercutiodown the road and 19-25msec? [04:19]
grodybut with 16ms auto added from PPP - thats pretty impressive [04:19]
mercutiosee that's not ideal
yeah it's more like 10 msec here
5 msec latency with vdsl
[04:19]
grody8 for me :( [04:19]
mercutioyeah [04:19]
grodybut i usually get 9/10 to 8.8.8.8 etc [04:19]
mercutiobut the US latency hurts more
i get 4.6 msec to dns
but google is in diff country
so it's like 30 msec
[04:20]
grodywell, you have more people and more space to cover [04:20]
mercutio29.3 to 8.8.8.8 [04:20]
grodyouch [04:20]
mercutioit's not that bad really
that's 2155 km
or someting
[04:20]
grodythis is why i hate 3G - latency is almost always 60ms+ [04:21]
mercutio(auckland to sydney) [04:21]
grodyHSPA/4G/LTE, i've seen them as low as 15 mind [04:21]
mercutio8.8.8.8 in sydney gives terrible performance though [04:21]
grodyDNS lookups on latency really kills a browsing experience [04:21]
mercutioyeah 3g latency sucks
yeh i used proxy when i did it regularly
and did initcwnd
with the 10 packets
helped a lot
but 3g sucks for other reasons too
liek if you're downloading your latency will go sky high
and the connection becomes useless for anything else
[04:21]
grodyhah yea [04:22]
mercutiobut as long as you don't download it's ok [04:22]
grodythink i use an L2TP from my HSPA access point [04:23]
...... (idle for 25mn)
http://imgur.com/fV972aK thats a mixed graph for an example - first chunk is good signal, but transferring (downlading arch via torrent), middle is idle whilst walking around town and latter is idle with strong signal
been using my ISPs wonderful graphing to prove to my mobile carrier their data network is shot to sh1t
(those graphs are excellent examples of how it /should/ be)
[04:48]
mercutiothey probably don't care :)
i dunno why arch encourages torrents
i reckon http with close mirrors is good
[04:51]
grodylol they don't - but i've had 3 months free service and had them taken to their ombudsman, got another month free (by their request) and £35 compo
i like torrents *shrug*
[04:53]
mercutiowow [04:53]
grodyleast if the download breaks, it automatically resumes when network is back [04:53]
mercutiothat so wouldn't happen here
same with wget -c
[04:53]
grody:P
UK is very strict on how companies must treat their customers and have to live up to standards
fail, they have to pay
i was honestly hoping for a recinded contract - but will wait for the free months to end and drop the priceplan to bare minimum, they buy out
go back to a better network
[04:54]
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mercutiohttp://arstechnica.com/tech-policy/2015/08/jeb-bush-crypto-makes-it-harder-for-the-american-government-to-do-its-job/ [18:15]
BryceBotArs Technica: "Jeb Bush wants “a new arrangement with Silicon Valley” to ease crypto" [18:15]
mercutioI really can't see that working out well :) [18:16]
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