[ndnSIM] Obtaining the number of Interest packets
Zakaria SABIR
zakaria.sabir at uit.ac.ma
Sat Oct 9 01:20:50 PDT 2021
Hi Sangita,
Yes, it makes sense. Thank you for the explanation. I will try it out.
My best regards,
Zakaria
ᐧ
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
>> ᐧ
>>
>> 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
>>>> ᐧ
>>>>
>>>> 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
>>>>>> ᐧ
>>>>>>
>>>>>> 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
>>>>>>>> ᐧ
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>>>>>>>>
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