[ndnSIM] Obtaining the number of Interest packets

sangita...... sangita.engg at gmail.com
Sun Oct 10 02:52:30 PDT 2021


Are all the  6 nodes are configured with consumer application ? Can you
share the script ?

On Sun, Oct 10, 2021, 10:10 Zakaria SABIR <zakaria.sabir at uit.ac.ma> wrote:

> Hi Sangita,
>
> Thank you for the clarification, I understand now. But, is
> this depending on the number of nodes and the number of consumer
> applications? For example, in my case, I specified the number of contents
> to 50. I have the frequency set to 10 Interests / s and the simulation is
> running for 50 s. I have 2 consumer applications and 6 nodes. What is the
> total number of Interests that will be generated in this case?
>
> My best regards,
> Zakaria
>>
> On Sat, Oct 9, 2021 at 8:33 PM sangita...... <sangita.engg at gmail.com>
> wrote:
>
>> Hi Zakaria,
>>
>> No I think you are missing a point that numberofcontent signifies type of
>> content. Now for example:  for type 1-content 10 interests can be
>> generated,..for type 2-content 4 interests ..for type 3-content 7 interests
>> ...likewise.
>>
>> Now the total no of interests that would generated depends on frequency.
>>
>> Now if frequency is high let's say 100 per sec and your simulation is
>> running for 10 second then 1000 interests will  be generated.  But all
>> these interests will only request for 100 contents. Now which content will
>> be requested how many times depends on zipf distribution.
>>
>>
>> On Sat, Oct 9, 2021, 14:54 Zakaria SABIR <zakaria.sabir at uit.ac.ma> wrote:
>>
>>> Yes, I found 88 Data responses for Interest1 and 48 Data responses for
>>> Interest2.
>>> I thought that regardless of the frequency rate, if the number of
>>> generated Interests reached the specified number of contents, no more
>>> Interests will be generated. It's not the case?
>>>
>>> My best regards,
>>> Zakaria
>>>>>>
>>> On Sat, Oct 9, 2021 at 1:09 PM sangita...... <sangita.engg at gmail.com>
>>> wrote:
>>>
>>>> What do you mean by finding 88 content for interest1 and 48 for
>>>> interest 2 ?
>>>> 88 interest packets are generated with prefix intereste1 and 48 with
>>>> prefix interest2 ?
>>>>
>>>> Why do you expect 100 content in log file ? How many interest would be
>>>> generated it depends on frequency rate and interest for which content among
>>>> 100 contents would be generated  that depends on  zipf distribution .
>>>>
>>>> With regards,
>>>> Sangita
>>>>
>>>> On Sat, Oct 9, 2021, 12:03 Zakaria SABIR <zakaria.sabir at uit.ac.ma>
>>>> wrote:
>>>>
>>>>> I tried to limit the number of contents to 100 (50 for Interest1 and
>>>>> 50 for Interest2) like this:
>>>>>
>>>>>   ndn::AppHelper consumerHelper("ns3::ndn::ConsumerZipfMandelbrot");
>>>>>   consumerHelper.SetAttribute("Frequency", DoubleValue(10.0));
>>>>>   consumerHelper.SetAttribute("NumberOfContents", StringValue("50"));
>>>>>   consumerHelper.SetPrefix("/Interest1");
>>>>>   consumerHelper.Install(nodes.Get(0));
>>>>>   consumerHelper.Install(nodes.Get(3));
>>>>>   consumerHelper.Install(nodes.Get(4));
>>>>>
>>>>>   ndn::AppHelper consumerHelper2("ns3::ndn::ConsumerZipfMandelbrot");
>>>>>   consumerHelper2.SetAttribute("Frequency", DoubleValue(10.0));
>>>>>   consumerHelper2.SetAttribute("NumberOfContents", StringValue("50"));
>>>>>   consumerHelper2.SetPrefix("/Interest2");
>>>>>   consumerHelper2.Install(nodes.Get(6));
>>>>>   consumerHelper2.Install(nodes.Get(8));
>>>>>   consumerHelper2.Install(nodes.Get(5));
>>>>>
>>>>> I expected to find exactly 100 content in the log file, but I found 88
>>>>> for Interest1 and 48 for Interest2.
>>>>> I wonder what the reason for this is??
>>>>>
>>>>> My best regards,
>>>>> Zakaria
>>>>>>>>>>
>>>>> On Sat, Oct 9, 2021 at 9:20 AM Zakaria SABIR <zakaria.sabir at uit.ac.ma>
>>>>> wrote:
>>>>>
>>>>>> Hi Sangita,
>>>>>>
>>>>>> Yes, it makes sense. Thank you for the explanation. I will try it out.
>>>>>>
>>>>>> My best regards,
>>>>>> Zakaria
>>>>>>>>>>>>
>>>>>> On Fri, Oct 8, 2021 at 12:01 PM sangita...... <sangita.engg at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> Hi zakira,
>>>>>>>
>>>>>>> As per the ndn architecture whenever your interest arrive to a
>>>>>>> producer , it generate a data packet with the same name of interest .  So
>>>>>>> when you mention NumberOfContents as 100 it means there are 100 content for
>>>>>>> which interest packets will be generated following the distribution.
>>>>>>> Let's say it will generate the interests like /interest1 / 1 , then
>>>>>>> interest1 / 5 , then interest1 / 16 and so on. And this interest/x  : x
>>>>>>> will vary between 1 - 100 when you mention the number of content 100.
>>>>>>> Again , if you generate another app for interest2 , then it will
>>>>>>> generate another set of 100 content with the prefix interest2.
>>>>>>>
>>>>>>> If you mention the NumberOfContents as 1000 , then it will vary
>>>>>>> till 1000.
>>>>>>>
>>>>>>> Does that make sense?
>>>>>>>
>>>>>>> Sangita
>>>>>>>
>>>>>>> On Fri, Oct 8, 2021, 11:50 Zakaria SABIR <zakaria.sabir at uit.ac.ma>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Hi Sangita,
>>>>>>>>
>>>>>>>> I see that there is another way to create different Interests. But
>>>>>>>> I didn't quite understand about the number of contents. In my case, I want
>>>>>>>> to define the maximum number of generated Interest packets in one step, and
>>>>>>>> I want to define the maximum number of generated Data packets in another
>>>>>>>> step. Does the line:
>>>>>>>> consumerHelper2.SetAttribute("NumberOfContents",
>>>>>>>> StringValue("100"));
>>>>>>>> specifies the maximum number of Interest or Data packets?
>>>>>>>>
>>>>>>>> My best regards,
>>>>>>>> Zakaria
>>>>>>>>>>>>>>>>
>>>>>>>> On Fri, Oct 8, 2021 at 11:17 AM sangita...... <
>>>>>>>> sangita.engg at gmail.com> wrote:
>>>>>>>>
>>>>>>>>> Hi Zakaria,
>>>>>>>>>
>>>>>>>>> Yes no of content means  total no of content that follows zipf
>>>>>>>>> distribution. The frequency of generating content 1 is double than content
>>>>>>>>> 2 and so on.
>>>>>>>>>
>>>>>>>>> Another thing is you can generate different interests without
>>>>>>>>> making multiple app.
>>>>>>>>>
>>>>>>>>> Like:
>>>>>>>>> In your ConsumerZipfMandelbrot header file you can mention
>>>>>>>>> Static const Name prefix = Name ( "/service");
>>>>>>>>>
>>>>>>>>> Then in ConsumerZipfMandelbrot .cc file you can set like this.
>>>>>>>>>
>>>>>>>>> Name name = Name (prefix)
>>>>>>>>> If ( some condition)
>>>>>>>>> name.append ("interest 1")
>>>>>>>>> Else
>>>>>>>>> Name.append ("interest 2")
>>>>>>>>>
>>>>>>>>> Interest.setName (name)
>>>>>>>>>
>>>>>>>>> Anyway, both thing works. It depends how you want your
>>>>>>>>> implementation.
>>>>>>>>>
>>>>>>>>> Thanks and Regards,
>>>>>>>>> Sangita
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Fri, Oct 8, 2021, 10:45 Zakaria SABIR <zakaria.sabir at uit.ac.ma>
>>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>>> Hi Sonia,
>>>>>>>>>>
>>>>>>>>>> Yesterday, I found the error. To use two different Interests, I
>>>>>>>>>> had to create another app like this:
>>>>>>>>>>
>>>>>>>>>>   ndn::AppHelper *consumerHelper*("ns3::ndn::ConsumerCbr");
>>>>>>>>>>   consumerHelper.SetAttribute("Frequency", DoubleValue(10.0));
>>>>>>>>>>   consumerHelper.SetPrefix("*/Interest1*");
>>>>>>>>>>   consumerHelper.Install(nodes.Get(0));
>>>>>>>>>>   consumerHelper.Install(nodes.Get(3));
>>>>>>>>>>   consumerHelper.Install(nodes.Get(4));
>>>>>>>>>>   consumerHelper.Install(nodes.Get(5));
>>>>>>>>>>
>>>>>>>>>>   ndn::AppHelper *consumerHelper2*("ns3::ndn::ConsumerCbr");
>>>>>>>>>>   consumerHelper2.SetAttribute("Frequency", DoubleValue(10.0));
>>>>>>>>>>   consumerHelper2.SetPrefix("*/Interest2*");
>>>>>>>>>>   consumerHelper2.Install(nodes.Get(6));
>>>>>>>>>>   consumerHelper2.Install(nodes.Get(8));
>>>>>>>>>>   consumerHelper2.Install(nodes.Get(5));
>>>>>>>>>>
>>>>>>>>>> I did it that way and I used the command that you indicated
>>>>>>>>>> before (NS_LOG=ndn.Producer:ndn.Consumer ./waf --run="scenario"). The
>>>>>>>>>> "Interest2" appeared in the consumer log file as well. :)
>>>>>>>>>>
>>>>>>>>>> Now I have another question: In the "ConsumerZipfMandelbrot"
>>>>>>>>>> application, what is the difference between these two attributes:
>>>>>>>>>> "NumberOfContents" and "Frequency"? I know that the frequency is the number
>>>>>>>>>> of Interests per second, but what about the number of contents? Is it the
>>>>>>>>>> maximum number of contents that producers can generate? or the maximum
>>>>>>>>>> number of Interests that consumers can generate?
>>>>>>>>>>
>>>>>>>>>> My best regards,
>>>>>>>>>> Zakaria
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>> On Fri, Oct 8, 2021 at 3:39 AM sonia sabir <zohanoor67 at gmail.com>
>>>>>>>>>> wrote:
>>>>>>>>>>
>>>>>>>>>>> Hi Zakaria,[image: image.gif]
>>>>>>>>>>> It seems like Interest for /Interest2 has not been sent. Try this
>>>>>>>>>>>
>>>>>>>>>>> consumerHelper.SetPrefix("/interest1");
>>>>>>>>>>> ApplicationContainer App1 =
>>>>>>>>>>> consumerHelper.Install(nodes.Get(6));
>>>>>>>>>>> App1.Start (Seconds (10.0));
>>>>>>>>>>> App1.Stop (Seconds (100.0));
>>>>>>>>>>> Do the same for "/Interest1".
>>>>>>>>>>>
>>>>>>>>>>> Hope it works for you.
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> On Wed, Oct 6, 2021 at 11:52 PM Zakaria SABIR <
>>>>>>>>>>> zakaria.sabir at uit.ac.ma> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> Thank you Sangita and Sonia,
>>>>>>>>>>>>
>>>>>>>>>>>> I'm using "ConsumerCbr", son do I have to change in the file
>>>>>>>>>>>> "ndn-consumer-cbr.cpp"?
>>>>>>>>>>>>
>>>>>>>>>>>> For the commander: NS_LOG=ndn.Producer:ndn.Consumer ./waf
>>>>>>>>>>>> --run="scenario", it gives me just one type of Interest packet like this:
>>>>>>>>>>>>
>>>>>>>>>>>> 0s 5 ndn.Consumer:SendPacket(): [INFO ] > Interest for 0
>>>>>>>>>>>> 0s 5 ndn.Consumer:WillSendOutInterest(): [DEBUG] Trying to add
>>>>>>>>>>>> 0 with +0.0ns. already 0 items
>>>>>>>>>>>> 0s 6 ndn.Consumer:SendPacket()
>>>>>>>>>>>> 0s 6 ndn.Consumer:SendPacket(): [INFO ] > Interest for 0
>>>>>>>>>>>> 0s 6 ndn.Consumer:WillSendOutInterest(): [DEBUG] Trying to add
>>>>>>>>>>>> 0 with +0.0ns. already 0 items
>>>>>>>>>>>> 0s 8 ndn.Consumer:SendPacket()
>>>>>>>>>>>> 0s 8 ndn.Consumer:SendPacket(): [INFO ] > Interest for 0
>>>>>>>>>>>> 0s 8 ndn.Consumer:WillSendOutInterest(): [DEBUG] Trying to add
>>>>>>>>>>>> 0 with +0.0ns. already 0 items
>>>>>>>>>>>> 0.000127315s 9 ndn.Producer:OnInterest(0x19f49d0, 0x1a64910)
>>>>>>>>>>>> 0.000127315s 9 ndn.Producer:OnInterest(): [INFO ] node(9)
>>>>>>>>>>>> responding with Data: /*Interest1*/%FE%00
>>>>>>>>>>>> 0.000324162s 1 ndn.Producer:OnInterest(0x19f3f10, 0x1a587b0)
>>>>>>>>>>>> 0.000324162s 1 ndn.Producer:OnInterest(): [INFO ] node(1)
>>>>>>>>>>>> responding with Data: /*Interest1*/%FE%00
>>>>>>>>>>>> 0.000810172s 4 ndn.Consumer:OnData(0x19f1060, 0x1a4d0b0)
>>>>>>>>>>>> 0.000810172s 4 ndn.Consumer:OnData(): [INFO ] < DATA for 0
>>>>>>>>>>>> 0.000810172s 4 ndn.Consumer:OnData(): [DEBUG] Hop count: 1
>>>>>>>>>>>> 0.00102885s 2 ndn.Producer:OnInterest(0x19f4270, 0x1a40620)
>>>>>>>>>>>> 0.00102885s 2 ndn.Producer:OnInterest(): [INFO ] node(2)
>>>>>>>>>>>> responding with Data: /*Interest1*/%FE%00
>>>>>>>>>>>> 0.1s 0 ndn.Consumer:SendPacket()
>>>>>>>>>>>> 0.1s 0 ndn.Consumer:SendPacket(): [INFO ] > Interest for 1
>>>>>>>>>>>> 0.1s 0 ndn.Consumer:WillSendOutInterest(): [DEBUG] Trying to
>>>>>>>>>>>> add 1 with +100000000.0ns. already 1 items
>>>>>>>>>>>> 0.1s 3 ndn.Consumer:SendPacket()
>>>>>>>>>>>>
>>>>>>>>>>>> I don't know if I have an error in specifying two names of
>>>>>>>>>>>> Interest packets. Here is a part of my code:
>>>>>>>>>>>>
>>>>>>>>>>>>   ndn::AppHelper consumerHelper("ns3::ndn::ConsumerCbr");
>>>>>>>>>>>>
>>>>>>>>>>>>   consumerHelper.SetPrefix("/Interest1");
>>>>>>>>>>>>   consumerHelper.SetAttribute("Frequency", DoubleValue(10.0));
>>>>>>>>>>>>   consumerHelper.Install(nodes.Get(0));
>>>>>>>>>>>>   consumerHelper.Install(nodes.Get(3));
>>>>>>>>>>>>   consumerHelper.Install(nodes.Get(4));
>>>>>>>>>>>>   consumerHelper.Install(nodes.Get(5))
>>>>>>>>>>>>
>>>>>>>>>>>>   consumerHelper.SetPrefix("/Interest2");
>>>>>>>>>>>>   consumerHelper.Install(nodes.Get(6));
>>>>>>>>>>>>   consumerHelper.Install(nodes.Get(8));
>>>>>>>>>>>>
>>>>>>>>>>>>   ndn::AppHelper producerHelper("ns3::ndn::Producer");
>>>>>>>>>>>>   producerHelper.SetPrefix("/");
>>>>>>>>>>>>   producerHelper.SetAttribute("PayloadSize",
>>>>>>>>>>>> StringValue("1200"));
>>>>>>>>>>>>   producerHelper.Install(nodes.Get(1));
>>>>>>>>>>>>   producerHelper.Install(nodes.Get(2));
>>>>>>>>>>>>   producerHelper.Install(nodes.Get(7));
>>>>>>>>>>>>   producerHelper.Install(nodes.Get(9));
>>>>>>>>>>>>
>>>>>>>>>>>> My best regards,
>>>>>>>>>>>> Zakaria
>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>> On Wed, Oct 6, 2021 at 2:40 AM sonia sabir <
>>>>>>>>>>>> zohanoor67 at gmail.com> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>> [image: image.gif]You can see it in the consumer log file.
>>>>>>>>>>>>>
>>>>>>>>>>>>> run your scenario with consumer and producer log enabled
>>>>>>>>>>>>>
>>>>>>>>>>>>> NS_LOG=ndn.Producer:ndn.Consumer ./waf --run="scenario"
>>>>>>>>>>>>>
>>>>>>>>>>>>> Regards
>>>>>>>>>>>>>
>>>>>>>>>>>>> Sonia
>>>>>>>>>>>>>
>>>>>>>>>>>>> On Tue, Oct 5, 2021 at 7:29 PM Zakaria SABIR <
>>>>>>>>>>>>> zakaria.sabir at uit.ac.ma> wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>>> Hi everyone, I hope you are well.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> I have created two names of Interest packets in my scenario,
>>>>>>>>>>>>>> and I want to know how many times each Interest packet has been forwarded.
>>>>>>>>>>>>>> I tried to use the "L3RateTracer", but it just gives the number of all
>>>>>>>>>>>>>> the Interest packets.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Could you help me, please?
>>>>>>>>>>>>>> My best regards.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Zakaria
>>>>>>>>>>>>>>>>>>>>>>>>>>>> _______________________________________________
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>>>>>>>>>>>>>> ndnSIM at lists.cs.ucla.edu
>>>>>>>>>>>>>> http://www.lists.cs.ucla.edu/mailman/listinfo/ndnsim
>>>>>>>>>>>>>>
>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>> ndnSIM mailing list
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>>>>>>>>>>
>>>>>>>>>>
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