[Mini-NDN] Topology angles and radius & Interest-Data Packets' metrics

[Αστεριος Παρλιτσης]

  Hi Saurab, 

I now get this error:
"FATAL: Duplicate Coordinate, '_' used by multiple nodes"

Sergio

> Hi Sergio, 
>    
>   Thanks for letting us know. Seems like there is a bug is the  
> parshing script. We will fix it as soon as possible.
>    
>   Meanwhile, can you try following and let me know if it works ?
>    
>
>> [nodes]a: _b: _[links]a:b delay=10ms
>
>   Best,
>
>       Saurab
>
>      
>
> -------------------------
>     FROM: Αστεριος Παρλιτσης <asteparl at ee.duth.gr>
> SENT: Friday, June 11, 2021 9:28 AM
> TO: Saurab Dulal (sdulal) <sdulal at memphis.edu>
> CC: Junxiao Shi via Mini-NDN <mini-ndn at lists.cs.ucla.edu>
> SUBJECT: Re: Topology angles and radius & Interest-Data Packets'  
> metrics          
>
>
>
>
>   CAUTION: This email originated from outside of the organization.  
> Do not click links or open attachments unless you recognize the  
> sender and trust the content is safe.[1]
>
>
>       Hello again and thanks a lot for the fast answer,
>
>  1) After running the given topology configuration with the mnndn.py  
> and any other experiment I get the error below:
>
> 2) The local cache was not the issue and I eventually solved the  
> problem by following the way metrics are being gathered in ndnping  
> at the ndn-tools libraries but thanks again anyway.
>
> Sergio
>
>  
>
>>  
>>         
>>
>> -------------------------
>>        FROM: Mini-NDN <mini-ndn-bounces at lists.cs.ucla.edu> on  
>> behalf of Lan Wang (lanwang) <lanwang at memphis.edu>
>> SENT: Thursday, June 10, 2021 9:38 AM
>> TO: Junxiao Shi via Mini-NDN <mini-ndn at lists.cs.ucla.edu>
>> SUBJECT: [Mini-NDN] Topology angles and radius & Interest-Data  
>> Packets' metrics                
>>
>>        FROM: Αστεριος Παρλιτσης <asteparl at ee.duth.gr>
>>         SUBJECT: TOPOLOGY ANGLES AND RADIUS & INTEREST-DATA PACKETS' METRICS
>>         DATE: June 10, 2021 at 6:39:43 AM CDT
>>         TO: mini-ndn at lists.cs.ucla.edu
>>
>>
>>          Hello, I am new to Mini-NDN and I have two issues with my  
>> experiments:
>>
>> 1) I want to run some instances of simple topologies with 20+ nodes  
>> but don't really get the hyperbolic coordinates' function and how  
>> to produce them for my own topologies. Is it possible or usefull in  
>> my case to disable the radius and angle parameters since I don't  
>> use hyperbolic routing strategies?
>>
>>           
>>
>>          - You really don't have to use hyperbolic topology unless  
>> you are doing experiments with hyperbolic routing. And yes, you can  
>> remove radius and angles from the current example  topologies[2].  
>> Your topology can have the following structure without hyperbolic  
>> coordinates.
>>  
>>                               [nodes]a:b:[links]a:b delay=10ms
>>
>>           
>>
>>          2) I have assigned to some nodes the roles of consumers  
>> and producers by running the examples provided by the ndn-cxx  
>> libraries on each one of them. What I need is a way to measure the  
>> delay of the Data Packet from the moment a node requests a packet  
>> by sending an Interest. I have already tried placing timers in the  
>> consumer.cpp but somehow the output is smaller than the link's  
>> delay so I got that wrong.
>>
>>           
>>
>>          - If packet retrieval time is smaller than the link delay,  
>> it is highly likely that the packet might have been serverd from  
>> the local nfd's cache. Please enable the nfd-logs, look at the  
>> consumer's log specifically, and see if local nfd is sending back  
>> the cached data or not. 
>>
>>           
>>
>>          To set debug nfd log from the experiment:  
>> "AppManager(self.ndn, self.ndn.net.hosts, Nfd, logLevel='DEBUG')" 
>>           
>>
>> Thanks a lot, 
>> Sergio
>>           
>>
>>          
>>          
>>
>>  
>
>
>  



Σύνδεσμοι:
----------
[1]
[2] https://github.com/named-data/mini-ndn/tree/master/topologies
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