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February 2nd, 2011
When tracerouting free.fr from my vps which lies in Strasbourg the route
goes from Strasbourg, to Frankfurt, back to Strasbourg and on from there
this is wasteful and it would be better if there was a mini-exchange in
Strasbourg itself taking on this traffic.
pjp@proteus:~> traceroute free.fr
traceroute to free.fr (212.27.48.10), 30 hops max, 40 byte packets
1 static-ip-85-25-57-148.inaddr.intergenia.de (85.25.57.148) 0.000 ms 0.000 ms 0.000 ms
2 217.118.16.25 (217.118.16.25) 3.105 ms 3.182 ms 3.191 ms
3 217.118.16.129 (217.118.16.129) 3.402 ms 3.340 ms 3.359 ms
4 ve498.bbr1.fra3.inetbone.net (83.220.157.37) 3.346 ms 3.243 ms 3.260 ms
5 decix.proxad.net (80.81.192.223) 4.041 ms 4.158 ms 3.975 ms
6 strasbourg-6k-1-po101.intf.routers.proxad.net (212.27.56.29) 7.743 ms 7.580 ms 7.780 ms
...
Wenn man eine Traceroute nach free.fr macht von meinem vserver/vps das in
Strassburg liegt sieht man das die route von Strassburg, nach Frankfurt und
zurueck nach Strassburg geht und von dort aus dann weiter. Das ist natuerlich
ein unsparsamer weg und es waere besser wenn da ein mini-exchange in Strassburg
selber existiert das diesen Internet Verkehr uebernimmt.
0 comments
Save CKLN
February 2nd, 2011
This is for my Canadian friends. The small radio station CKLN needs your
help. A long time ago (well actually 2 years ago) the Ryerson Student
Union didn't want to pay for CKLN anymore and a fight ensued. This
fight caused CKLN to go off-air for a number of months. Being off-air
is a violation of the CRTC broadcasting license and the CRTC has revoked
CKLN's license in the meantime. They have until February 12th to shut
down.
So if you like alternative programming. If you like pro-gay, pro-lesbian,
pro-minority programming CKLN is for you. And it's this voice that is so
important in an equal and fair society.
Here is a link that asks you to write your MP to save CKLN. As for me
I'm not a citizen of Canada and my EuMP can't do much to help, but CKLN got
my support in spirit. And that doesn't mean I'm gay. I'm not.
0 comments
Outage for solarscale.de
January 31st, 2011
I transferred the domain solarscale.de to another registrar and something
blew up. The domain has its nameservers set to the old NS servers but the
old registrar had deleted the domain from its nameservers as soon as the
transfer was initiated. I'm losing email :-(. I'm not sure what caused this
mess because the notify email was on the solarscale.de domain and that
ceased as soon as the old registrar deleted the zone. I've written my
current registrar and am awaiting answers. It could be a 5 day outtage.
Not too cool.
Ich habe einen Domain Namen Transfer mit solarscale.de begonnen und irgendetwas
ging schief. Der Domain hat jetzt gerade die Nameservers von den alten
Registrar registriert und der alte Registrar hat die Namenseintrage der
Zone schon geloescht (sobald der Transfer durchging). Ich verliere mail. :-(.
Ich bin nicht sicher was diesen schlamassel produzierte da die notify emails
am solarscale.de domain hingen und das hat natuerlich aufgehoert als die
Zone geloescht wurde. Ich habe den Registrar geschrieben und erwarte 'ne
antwort. Es koennte eine 5 taegige stoerung sein. Nicht so cool.
Update: Tue Feb 1 11:33:16 CET 2011
The nameservers I had specified had the zone solarscale.de in non-compliance
with DEnic the german NIC. It finally switched over to the right nameservers
and I'm happy. It may take another day for the right nameservers to
propagate over to the new ones, but servers that haven't queried solarscale.de
in the last day will get the right data like so:
$ ping -c 1 www.solarscale.de
PING www.solarscale.de (200.46.208.61) 56(84) bytes of data.
64 bytes from goldflipper.net (200.46.208.61): icmp_seq=1 ttl=55 time=104 ms
--- www.solarscale.de ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 104.848/104.848/104.848/0.000 ms
Die Namenserver die ich spezifiziert habe fuer die zone solarscale.de hatten
SOA daten die DENIC das Deutsche NIC nicht annehmen wollte. Aber endlich
ist es gelungen und ich bin froh. Es koennte noch einen Tag dauern bis die
NS eintraege propagiert sind, aber server die solarscale.de noch nicht
angeschaut haben werden die richtigen daten erhalten.
0 comments
DE-CIX growth: It doesn't have to be like that
January 29th, 2011
A recent article (german) predicts the
future for the German Internet Exchange (in Frankfurt) called
DE-CIX. They
predict that the traffic will increase 20 fold by 2015. In a traceroute from
my DSL it shows the route going from Schweinfurt to Nuremberg to Frankfurt
(DE-CIX) back to Erlangen (which is 30 km away from Nuremberg) and there to
the ftp.de.openbsd.org server that serves my packages for OpenBSD. It's a
route that makes little sense, and if Erlangen was connected for cheap to
N-IX
(the Nuremberg Internet Exchange) then a lot of traffic would be kept
away from DE-CIX strengthening the Internet as there isn't that single point
of failure in the way.
A route showing path from schweinfurt-nuremberg-frankfurt-erlangen...
...
4 ppp-default.m-online.net (82.135.16.28) 68.485 ms 50.483 ms 46.633 ms
5 gi1-8-171.r1.nue2.m-online.net (212.18.7.121) 45.863 ms 47.948 ms 46.186 ms
6 xe-2-2-0.rt-decix.m-online.net (212.18.6.166) 49.903 ms 49.974 ms 49.825 ms
7 zr-fra1-te0-0-0-3.x-win.dfn.de (80.81.192.222) 50.725 ms 51.753 ms 52.530 ms
8 zr-erl1-te0-0-0-4.x-win.dfn.de (188.1.145.197) 64.62 ms 66.4 ms 65.651 ms
...
Ein kuertzlicher Artikel prognostiziert
die Zukunft des Deutschen Internet Exchange (in Frankfurt am Main) der
DE-CIX
heisst. Sie prognostizieren das der Internet Verkehr um das 20 fache steigen
wird bis 2015. In einer traceroute von meinem DSL zeigt es das die Route
von Schweinfurt durch Nuernberg, durch Frankfurt (DE-CIX) und von dort zurueck
nach Erlangen geht (was 30 KM von Nuernberg ist). Den Server fuer die Route
ist ftp.de.openbsd.org der OpenBSD Packete haust. Diese Route macht wenig
Sinn und falls Erlangen mit einer billigen Leitung direkt and den
N-IX
(Nuernberg Internet Exchange) angeschlossen waehre dann wuerde viel
Verkehr von DE-CIX weggeleitet werden. Diese wuerde das Internet staerken
da es kein einzelnen Bruchpunkt (Frankfurt) gibt.
0 comments
SVP Radio
January 21st, 2011
A friend and I set up an online radio station that will be streaming from
3PM-10PM Eastern Time (North American Eastern) every wednesday. We did some
test streamings
from my VPS in France and decided it was better to be streaming where the
main listening audience is, in Canada. So we're in the process of seeking
the right VPS near Toronto. Check out
www.dj-jaz.com for more info on the stream. I'm doing a pre-recorded
show every odd Wednesday of the month (so 1st, 3rd and 5th Wednesday)
subjected on Computers and Networks. My show is called "Peter's Computer
Show".
Ein Freund und ich sind in den vorbereitungen ein radio stream aufzubauen.
Es geht Mittwochs, von 9Uhr bis 4Uhr Nachts Mittel Europa Zeit. Wir haben
schon den
stream mal getestet von meinem VPS in Frankreich aus. Dann beschlossen wir
uns einen VPS in Kanada anzulegen, da wo die meisten Hoerer sind.
Ihr koennt mehr erfahren von dem Stream von
www.dj-jaz.com. Ich bin DJ einer aufgenommenen Show jeden ersten
dritten und fuenften Mittwoch des Monats. Worueber ich sprechen werde wird
Computer und Netzwerke sein. Meine show heisst "Peter's Computer Show".
Das Radio ist in der Englischen Sprache.
0 comments
Grid Computing
January 9th, 2011
Grid computing is distributed computing. When many nodes (computers) all
contribute to some distributed computing effort. Here is my
contribution to grid computing. I do
computing on one core for seti search, hiv simulations etc. The question is
when will we get paid (money) for offering our grid nodes. And will this be
more than what cloud computing nodes charge for. I doubt it'll be more, or
everyone would rush to make grid computing farms on cloud computers. There
has to be a balance. Grid computing is sorta the inverse of cloud computing.
Grid Computing ist ein Verteiltes Rechnen. Viele Grid-Knoten (Computer)
beteiligen sich zu einer verteilten Rechenaufgabe. Der obere Link zeigt
meine Grid-Computing Beteiligung. Ich habe eine Rechenaufgabe auf einem
Rechner-core fuer Seti Suche, HIV Simulationen etc. Die Frage ist, wann
werden wir dafuer bezahlt werden (mit echtem Geld) wofuer wir unsere Rechner
zu Verfuegung stellen. Und wird es mehr Geld sein als Cloud Computing
Knoten verlangen? Ich glaube nicht, dass es mehr sein wird, oder jeder wuerde
Grid Computing auf Cloud Computern haben. Da muss es eine Balance geben. Grid
Computing ist ein bisschen das Umgekehrte von Cloud Computing.
Grid computing that's paid could be used to do work on over-capacity of
electricity, on smart grid electrical networks.
0 comments
Inspiring article
January 5th, 2011
The next net is an
interesting write-up and a call to all netizens for our own network with our
own values.
Der oben gelinkte Link "The next net" ist sehr interessant und ist ein Aufruf
zu allen Netz-Buergern fuer unser eigenes Netzwerk das unsere Vorstellungen
beschreibt.
0 comments
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