Die Suche ergab 20 Treffer

von erwin.ait
14. Jul 2009 18:05
Forum: TK3: Ubiquitous / Mobile Computing
Thema: Hinweise zur 2.Teilklausur
Antworten: 3
Zugriffe: 1063

Re: Hinweise zur 2.Teilklausur

Hallo, Bei der zweiten Teilklausur sind die folgenden Inhalte zu erwarten: K2-Connectivity: Ab Seite 64 (Folie 83) bis Seite 162 (Folie 229). Besonders wichtig sind die Systeme GSM und 802.11, sowie Multiplex- und MAC-Verfahren. Bei Pub/Sub-Systemen, etc. sind die grundlegenden Konzepte wichtig, es ...
von erwin.ait
31. Okt 2008 13:17
Forum: Archiv
Thema: Anmeldung
Antworten: 0
Zugriffe: 229

Anmeldung

Korrektur zu meiner Behauptung in der ersten Vorlesung:
Informatik Diplom-Studierende müssen sich nicht über das Prüfungssekretariat anmelden.
von erwin.ait
17. Jul 2008 12:09
Forum: TK3: Ubiquitous / Mobile Computing
Thema: Noten
Antworten: 2
Zugriffe: 727

Noten

Hallo,

Die Noten hängen an unserem Anschlagbrett aus und können über webreg abgefragt werden:
https://www.dekanat.informatik.tu-darms ... =20.0120.2

Viele Grüße,
Erwin Aitenbichler
von erwin.ait
7. Mär 2008 10:36
Forum: Praktikum: Internet
Thema: Ergebnisse Aufgabe 3 ?
Antworten: 1
Zugriffe: 1094

Re: Ergebnisse Aufgabe 3 ?

I'm sorry for the delay.
Everybody who handed in assignment 3 should have received my comments today. If you didn't get feedback, please contact me.
The grades will follow shortly.
von erwin.ait
30. Jan 2008 13:44
Forum: Praktikum: Internet
Thema: [A3|Milestone 4] Sending replies
Antworten: 3
Zugriffe: 995

Re: [A3|Milestone 4] Sending replies

Thread.sleep(1) means basically that you are trying to send 1000 messages/sec. Depending on the speed of your computer, this might already be close to the limit. Maybe use something like Thread.sleep(10). The problem is, that if our TestSender-Application send it's messages to fast, our handler does...
von erwin.ait
30. Jan 2008 13:20
Forum: Praktikum: Internet
Thema: no default stark defined error
Antworten: 2
Zugriffe: 1053

Re: no default stark defined error

This usually happens when the configuration file cannot be found. - Make sure that the configuration file is in the current working directory when you start your program. - When you call Mundo.setConfigFile(), do not add the extension '.xml'. For example, to use 'sender.conf.xml', call Mundo.setConf...
von erwin.ait
28. Jan 2008 21:13
Forum: Praktikum: Internet
Thema: IMPORTANT: Deadline extension for assignment 3
Antworten: 0
Zugriffe: 939

IMPORTANT: Deadline extension for assignment 3

Due to popular demand, you can submit assignment 3 until end of Thursday, i.e., Jan 31, 23:59.
von erwin.ait
28. Jan 2008 21:07
Forum: Praktikum: Internet
Thema: Trace files...
Antworten: 2
Zugriffe: 843

Re: Trace files...

You don't have to implement more regarding NetMon. However, your receiver program should
- directly determine the loss rate and print it to the console
- check that no messages were duplicated
- check that the contents of all messages are correct
von erwin.ait
28. Jan 2008 20:51
Forum: Praktikum: Internet
Thema: Indeterminism?!?
Antworten: 2
Zugriffe: 920

Re: Indeterminism?!?

MundoCore passes three or four control messages at connection setup. If DropHandler or your handler drops or damages a control message, such indeterminism may occur. If your handler already works "almost everytime", you do not have to read on. To solve this issue, update to mundocore-java-0.9.3 from...
von erwin.ait
28. Jan 2008 20:28
Forum: Praktikum: Internet
Thema: [A3|Milestone 4] Sending replies
Antworten: 3
Zugriffe: 995

Re: [A3|Milestone 4] Sending replies

Looks like you forgot msg.setType(mimeType); Please see samples/handlers/ex4 how to send reply messages.
von erwin.ait
28. Jan 2008 20:18
Forum: Praktikum: Internet
Thema: Deadline for assignment 3 (Verlängerung ?)
Antworten: 2
Zugriffe: 983

Deadline extension: Jan 31, 23:59

OK. Please submit assignment 3 until end of Thursday (Jan 31, 23:59).
von erwin.ait
28. Jan 2008 20:11
Forum: Praktikum: Internet
Thema: Assignment 3 - packet loss
Antworten: 1
Zugriffe: 730

Re: Assignment 3 - packet loss

The receiver should print out the loss rate observed at the receiver. If only a DropHandler is in the stack, then the measured loss rate should pretty much correspond with the loss rate set at DropHandler. If I add your FECHandler to the stack, then I should see that the measured loss rate goes down...
von erwin.ait
23. Jan 2008 12:57
Forum: Praktikum: Internet
Thema: Assignment 3 - questions
Antworten: 1
Zugriffe: 833

Re: Assignment 3 - questions

MundoCore reads its configuration from node.conf.xml by default. You can call, e.g., Mundo.setConfigFile("receiver.conf"); (The extension .xml will be appended automatically!) to use an alternate configuration file. The last example uses two separate configuration files to define different protocol ...
von erwin.ait
23. Jan 2008 12:51
Forum: Praktikum: Internet
Thema: Milestone 3: Size of a message
Antworten: 1
Zugriffe: 825

Re: Milestone 3: Size of a message

Yes. As a simplification, we only consider the size of the payload.

Erwin
von erwin.ait
23. Jan 2008 12:48
Forum: Praktikum: Internet
Thema: [A3] The bowels of a Message
Antworten: 2
Zugriffe: 1166

Re: [A3] The bowels of a Message

(1) Use a stack like shown on Slide 36. We assume that SampleHandler1 is your handler. The BinCollectHandler above your handler will collect everything that should be transported to the remote peer into the chunk "all:bin". For that reason, you only need to care about "all:bin". To read/write your o...

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