ORBIT-USER: Question about Virtual Mobility Tutorial

[Sanjit Krishnan Kaul]

Your understanding is mostly correct. A specific node will start switching
as soon as the node’s click script is installed on it (using the command
click-install). By “switching” I mean processing packets as defined by the
node’s click script.

 

Nodes don’t wait for other nodes to install their click scripts. Incase you
want them to start switching at the same time you have to ensure
synchronization between the nodes.

 

Hope that helps!

 

PS: The command in the example says click-install mob*.click. The “*” means
the click script downloaded to the node where you are running the
click-install command and not all scripts. Also, in general you shouldn’t
install more than a click script on a node. If you do the last installed
script will determine the switching rules the node follows and the rest will
be ignored.

 

Sanjit

  _____  

From: owner-orbit-user at winlab.rutgers.edu
[mailto:owner-orbit-user at winlab.rutgers.edu] On Behalf Of Arinto Murdopo
Sent: Tuesday, February 20, 2007 3:11 AM
To: orbit-user at winlab.rutgers.edu
Subject: ORBIT-USER: Question about Virtual Mobility Tutorial

 

Dear all, 

I have question regarding the Virtual Mobility Tutorial using spatial
switching (http://www.orbit-lab.org/wiki/HowTo/virtualMobilitySS). Last
statement of the last section as shown below: 




Running an experiment ¶
<http://www.orbit-lab.org/wiki/HowTo/virtualMobilitySS#Runninganexperiment> 


*	Image all grid nodes (VM nodes and the nodes mapped to mobile nodes)
with the image click-2.4.26-20051204.ndz. 
*	Upload the click files onto the grid nodes they correspond. The file
loadFiles.sh contains sample commands for the example experiment. 
*	For each node install the click script. On nodes specified in the
VM<no>.txt(s) it is important that the ath0 interface is up. 

$ ssh root at nodex-y


$ click-install mob*.click

*	The installation of the click script marks the beginning of
experiment on each node. 

What does the last statement mean? Does it mean that the node start
switching when we finish the installation all the click configuration files
using click-install?
When is the time actually the specific nodes start switching? 

Thank you

Arinto

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