HECnet January 2013

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40 participants
1313 discussions

Multi-floor household (DECnet) routing help needed

by mcguire＠neurotica.com

On 01/18/2013 12:41 AM, Ian McLaughlin wrote: With some of the speeds I'm getting through several people's home DSL internet in and back out again to get from here to Europe, I'd say the actual speeds I'm getting are pretty close to the 'good old days' :) Your first stop is here I think, for at least one of your links, and I have a fair bit of bandwidth here. -Dave -- Dave McGuire, AK4HZ New Kensington, PA

11 years, 10 months

Multi-floor household (DECnet) routing help needed

by b4＠gewt.net

On 18 Jan 2013, at 00:41, Ian McLaughlin <ian at platinum.net> wrote: On 2013-01-17, at 9:33 PM, Cory Smelosky <b4 at gewt.net> wrote: Also, HECnet needs some leased lines between locations for maximum authenticity. Along with period-accurate modems. ;) I wonder how many telcos will still give you a plain leased line over POTS... With some of the speeds I'm getting through several people's home DSL internet in and back out again to get from here to Europe, I'd say the actual speeds I'm getting are pretty close to the 'good old days' :) ;) I wonder if there'd be any interest in cobbling up a little microcontroller circuit that could convert synchronous serial to Ethernet. We could use these to emulate leased lines on equipment that doesn't even have Ethernet boards. I'd be very interested, unfortunately I lack the necessary knowledge. :( Although, I also say we need HECnet radio balloons and similar, so my ideas are a bit absurd. ;) Ian

11 years, 10 months

Multi-floor household (DECnet) routing help needed

by ian＠platinum.net

On 2013-01-17, at 9:33 PM, Cory Smelosky <b4 at gewt.net> wrote: Also, HECnet needs some leased lines between locations for maximum authenticity. Along with period-accurate modems. ;) I wonder how many telcos will still give you a plain leased line over POTS... With some of the speeds I'm getting through several people's home DSL internet in and back out again to get from here to Europe, I'd say the actual speeds I'm getting are pretty close to the 'good old days' :) I wonder if there'd be any interest in cobbling up a little microcontroller circuit that could convert synchronous serial to Ethernet. We could use these to emulate leased lines on equipment that doesn't even have Ethernet boards. Ian

11 years, 10 months

Multi-floor household (DECnet) routing help needed

by b4＠gewt.net

On 18 Jan 2013, at 00:23, Ian McLaughlin <ian at platinum.net> wrote: On 2013-01-17, at 9:19 PM, Cory Smelosky <b4 at gewt.net> wrote: What's the latency like? [root at zork ~]# ping 192.168.42.1 -c 10 PING 192.168.42.1 (192.168.42.1) 56(84) bytes of data. 64 bytes from 192.168.42.1: icmp_seq=1 ttl=255 time=4.45 ms 64 bytes from 192.168.42.1: icmp_seq=2 ttl=255 time=3.40 ms 64 bytes from 192.168.42.1: icmp_seq=3 ttl=255 time=4.40 ms 64 bytes from 192.168.42.1: icmp_seq=4 ttl=255 time=3.30 ms 64 bytes from 192.168.42.1: icmp_seq=5 ttl=255 time=4.46 ms 64 bytes from 192.168.42.1: icmp_seq=6 ttl=255 time=2.87 ms 64 bytes from 192.168.42.1: icmp_seq=7 ttl=255 time=8.04 ms 64 bytes from 192.168.42.1: icmp_seq=8 ttl=255 time=3.42 ms 64 bytes from 192.168.42.1: icmp_seq=9 ttl=255 time=3.38 ms 64 bytes from 192.168.42.1: icmp_seq=10 ttl=255 time=4.52 ms --- 192.168.42.1 ping statistics --- 10 packets transmitted, 10 received, 0% packet loss, time 9004ms rtt min/avg/max/mdev = 2.878/4.229/8.042/1.395 ms Oooooh. Not bad at all. Not too much jitter and doesn't seem lossy. This is at the same time as I'm saturating the 10Mbps part of the network with a local FTP of a 22Gb file that I need to move over to my Alpha machine. 22GB at 10Mbps? That could take you a while. ;) Great stress test though. Also, HECnet needs some leased lines between locations for maximum authenticity. Along with period-accurate modems. ;) I wonder how many telcos will still give you a plain leased line over POTS... I am very happy. Ian

11 years, 10 months

Multi-floor household (DECnet) routing help needed

by ian＠platinum.net

On 2013-01-17, at 9:19 PM, Cory Smelosky <b4 at gewt.net> wrote: What's the latency like? [root at zork ~]# ping 192.168.42.1 -c 10 PING 192.168.42.1 (192.168.42.1) 56(84) bytes of data. 64 bytes from 192.168.42.1: icmp_seq=1 ttl=255 time=4.45 ms 64 bytes from 192.168.42.1: icmp_seq=2 ttl=255 time=3.40 ms 64 bytes from 192.168.42.1: icmp_seq=3 ttl=255 time=4.40 ms 64 bytes from 192.168.42.1: icmp_seq=4 ttl=255 time=3.30 ms 64 bytes from 192.168.42.1: icmp_seq=5 ttl=255 time=4.46 ms 64 bytes from 192.168.42.1: icmp_seq=6 ttl=255 time=2.87 ms 64 bytes from 192.168.42.1: icmp_seq=7 ttl=255 time=8.04 ms 64 bytes from 192.168.42.1: icmp_seq=8 ttl=255 time=3.42 ms 64 bytes from 192.168.42.1: icmp_seq=9 ttl=255 time=3.38 ms 64 bytes from 192.168.42.1: icmp_seq=10 ttl=255 time=4.52 ms --- 192.168.42.1 ping statistics --- 10 packets transmitted, 10 received, 0% packet loss, time 9004ms rtt min/avg/max/mdev = 2.878/4.229/8.042/1.395 ms This is at the same time as I'm saturating the 10Mbps part of the network with a local FTP of a 22Gb file that I need to move over to my Alpha machine. I am very happy. Ian

11 years, 10 months

Multi-floor household (DECnet) routing help needed

by mcguire＠neurotica.com

On 01/18/2013 12:11 AM, Ian McLaughlin wrote: At first, I plugged them in to available power bars, but I was getting a red light on the device indicating a low signal level. I unplugged from the power bars and plugged directly into an outlet, and it works perfectly. I suspect the surge suppression features of the power bars was interfering. I'm saturating my 10Mbps circuit and I'm not getting any of the strange dropout errors I was getting with the wireless link. It was the low-pass filters, not the surge suppression components, FYI. Those must be fairly decent power strips. -Dave -- Dave McGuire, AK4HZ New Kensington, PA

11 years, 10 months

Multi-floor household (DECnet) routing help needed

by b4＠gewt.net

On 18 Jan 2013, at 00:11, Ian McLaughlin <ian at platinum.net> wrote: All this discussion got me off my a$$, and I looked around locally for a powerline ethernet device today. I found a D-Link DHP-309AV "PowerLine AV+ Mini Adapter Starter Kit" for $59 CDN. The specifications say "up to 200Mbps speed", however plugging into a gigabit switch it only negotiates 100Mbps, so I suspect "200Mbps" is marketing-speak for 100Mbps full duplex. More than likely. Could also be future-proofing or saying you could have 2 saturated 100mbit connections at the same time. Never mind, because the garage-end of my network is only 10Mbps (most of it is 10Base2 coax). What's the latency like? At first, I plugged them in to available power bars, but I was getting a red light on the device indicating a low signal level. I unplugged from the power bars and plugged directly into an outlet, and it works perfectly. I suspect the surge suppression features of the power bars was interfering. I'm saturating my 10Mbps circuit and I'm not getting any of the strange dropout errors I was getting with the wireless link. Seems the tech has improved since I last used it something like 7 years ago. ;) $59 is a small price to pay compared to drilling holes through exterior house walls and crimping RJ45 connectors. Unless you happen to be a contractor who doubles as a network engineer. ;) Ian On 2013-01-17, at 1:14 PM, Cory Smelosky <b4 at gewt.net> wrote: On 17 Jan 2013, at 15:45, Brian Hechinger <wonko at 4amlunch.net> wrote: On 1/17/2013 3:24 PM, Cory Smelosky wrote: On 17 Jan 2013, at 15:05,hvlems at zonnet.nl wrote: Two Linksys WAP54G units, that's what I'd do. The WAP54G is fairly old so may be cheap on EBay. But you're not a Linksys fan, are you? No, but from what I've recently learned, MoCa is going to be a great solution and I think it's what i'm going to go with. I ran a wifi bridge many years ago when I lived in Philly. Never worked well and then the school across the street put in a bajillion million watt APs that used EVERY FUCKING AVAILABLE CHANNEL and my bridge just stopped working completely at that point. That's when I was introduced to MoCA. 100mbit and solid. Also, latency is much lower than wireless. Also, very cheap (looking now, NIM100s are $15/each on ebay but I paid $5/each for mine) and at least here in the US coax is almost guaranteed to be in place in pretty much every house so you rarely even have to do any major wire pulls. I should probably have asked my friend who works for a local cableco instead as I lost the bid on the one. ;) At least I got a lot of 2 I'm not patient when it comes to networking. -brian --- Filter service subscribers can train this email as spam or not-spam here: http://my.email-as.net/spamham/cgi-bin/learn.pl?messageid=E199F50A60EA11E29…

11 years, 10 months

Multi-floor household (DECnet) routing help needed

by ian＠platinum.net

All this discussion got me off my a$$, and I looked around locally for a powerline ethernet device today. I found a D-Link DHP-309AV "PowerLine AV+ Mini Adapter Starter Kit" for $59 CDN. The specifications say "up to 200Mbps speed", however plugging into a gigabit switch it only negotiates 100Mbps, so I suspect "200Mbps" is marketing-speak for 100Mbps full duplex. Never mind, because the garage-end of my network is only 10Mbps (most of it is 10Base2 coax). At first, I plugged them in to available power bars, but I was getting a red light on the device indicating a low signal level. I unplugged from the power bars and plugged directly into an outlet, and it works perfectly. I suspect the surge suppression features of the power bars was interfering. I'm saturating my 10Mbps circuit and I'm not getting any of the strange dropout errors I was getting with the wireless link. $59 is a small price to pay compared to drilling holes through exterior house walls and crimping RJ45 connectors. Ian On 2013-01-17, at 1:14 PM, Cory Smelosky <b4 at gewt.net> wrote: On 17 Jan 2013, at 15:45, Brian Hechinger <wonko at 4amlunch.net> wrote: On 1/17/2013 3:24 PM, Cory Smelosky wrote: On 17 Jan 2013, at 15:05,hvlems at zonnet.nl wrote: Two Linksys WAP54G units, that's what I'd do. The WAP54G is fairly old so may be cheap on EBay. But you're not a Linksys fan, are you? No, but from what I've recently learned, MoCa is going to be a great solution and I think it's what i'm going to go with. I ran a wifi bridge many years ago when I lived in Philly. Never worked well and then the school across the street put in a bajillion million watt APs that used EVERY FUCKING AVAILABLE CHANNEL and my bridge just stopped working completely at that point. That's when I was introduced to MoCA. 100mbit and solid. Also, latency is much lower than wireless. Also, very cheap (looking now, NIM100s are $15/each on ebay but I paid $5/each for mine) and at least here in the US coax is almost guaranteed to be in place in pretty much every house so you rarely even have to do any major wire pulls. I should probably have asked my friend who works for a local cableco instead as I lost the bid on the one. ;) At least I got a lot of 2 I'm not patient when it comes to networking. -brian --- Filter service subscribers can train this email as spam or not-spam here: http://my.email-as.net/spamham/cgi-bin/learn.pl?messageid=E199F50A60EA11E29…

11 years, 10 months

Sample DCL code for simple client-server task-to-task comms

by bqt＠softjar.se

On 2013-01-18 01:47, Gregg Levine wrote: On Thu, Jan 17, 2013 at 7:43 PM, Johnny Billquist <bqt at softjar.se> wrote: On 2013-01-17 16:49, sampsa at mac.com wrote: The problem with PHONE is that you can't see a centralised directory of the whole network and who's on. I tried to write a script on a Linux-DECNET box to get such a directory but it broke something on BQT's systems. Broke and broke... You managed to spam my logging. For some reason you managed to trigger logs for trying to access machines that were not up, if I remember correctly... Johnny IM's are slightly different, as I'm sure you're aware. The benefits to phone are: - You are notified when your buddies log on, anywhere on HECnet - You can control who can message you (i.e. buddies only) sampsa On 17 Jan 2013, at 17:46, Cory Smelosky <b4 at gewt.net> wrote: On 17 Jan 2013, at 10:38, Jordi Guillaumes i Pons <jg at jordi.guillaumes.name> wrote: El 17/01/2013, a les 16:09, sampsa at mac.com va escriure: Any interest in this type of service, i.e. something like Jabber/Gtalk but over DECNET? Aren't you reinventing PHONE? ;) Only insofar as to use it on an actual phone I hope. ;) Jordi Guillaumes i Pons jg at jordi.guillaumes.name HECnet: BITXOV::JGUILLAUMES -- Johnny Billquist || "I'm on a bus || on a psychedelic trip email: bqt at softjar.se || Reading murder books pdp is alive! || tryin' to stay hip" - B. Idol Hello! It did? Just how far along was this? Dave that was the fault of the monstrosity keeping your PDP-11 family company. Including the furry something else that keeps sending.... Well you get the idea. Half a year or maybe a year ago. Sampsa was running a program which used PHONE to check who was logged in on various machines. When he tried all machines in area 1, MIM got loads of entries in the log for Sampsa's machine trying to talk with machines that were down. (I might be remembering things wrong, and I might be mixing things up, but it was not as if MIM crashed or anything because of Sampsa's code, but I asked him to stop, as he was filling up plenty of logs as far as I can remember.) Johnny -- Johnny Billquist || "I'm on a bus || on a psychedelic trip email: bqt at softjar.se || Reading murder books pdp is alive! || tryin' to stay hip" - B. Idol

11 years, 10 months

data collector documentation update

by wonko＠4amlunch.net

Slight update to the data format documentation detailing the fields within the inner dictionaries of known_circ and adj_nodes. I really do need to get this stuff online somewhere. -brian

11 years, 10 months

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HECnet January 2013