[ndnSIM] Data packet aggregation

[Spyridon (Spyros) Mastorakis]

Hi,

based on the multicast forwarding strategy, an Interest can reach multiple producers. However, only one data packet is accepted by a forwarder and one data packet will be received by the consumer. 

Before moving further into your simulation work, I would suggest that you take a look at some introductory papers on NDN first (some of those details might be obsolete though):

https://cloudfront.escholarship.org/dist/prd/content/qt3rt9q3wb/qt3rt9q3wb.pdf <https://cloudfront.escholarship.org/dist/prd/content/qt3rt9q3wb/qt3rt9q3wb.pdf>
http://web0.cs.memphis.edu/~lanwang/paper/adaptive-forwarding-ccr.pdf <http://web0.cs.memphis.edu/~lanwang/paper/adaptive-forwarding-ccr.pdf>

Also, more specific details on how NFD and ndnSIM work:

https://named-data.net/wp-content/uploads/2018/07/ndn-0021-10-nfd-developer-guide.pdf <https://named-data.net/wp-content/uploads/2018/07/ndn-0021-10-nfd-developer-guide.pdf>
https://users.cs.fiu.edu/~afanasyev/assets/papers/mastorakis2017ndnsim.pdf <https://users.cs.fiu.edu/~afanasyev/assets/papers/mastorakis2017ndnsim.pdf>

Thanks,

Spyridon (Spyros) Mastorakis
Personal Website: http://cs.ucla.edu/~mastorakis/ <http://cs.ucla.edu/~mastorakis/>
Internet Research Laboratory
Computer Science Department
UCLA

> On Aug 27, 2018, at 2:03 PM, Roshith Sebastian <sebastian927 at gmail.com> wrote:
> 
> Hi Lixia Zhang,
> 
> I am referring to the multicast forwarding strategy where the consumer sends out one interest to retrieve data from all the producers who have published the same prefix. 
> 
> Please correct me if I have misunderstood the multicast forwarding strategy.
> 
> Thanks,
> Roshith Sebastian
> 
> On Mon 27 Aug, 2018, 22:51 Lixia Zhang, <lixia at cs.ucla.edu <mailto:lixia at cs.ucla.edu>> wrote:
> one interest can only retrieve one data packet
> 
> > On Aug 27, 2018, at 7:53 AM, Roshith Sebastian <sebastian927 at gmail.com <mailto:sebastian927 at gmail.com>> wrote:
> > 
> > Hi Team,
> > 
> > Could you please guide me in how to manipule the data packets from different producers which are intented for the same consumer. 
> > 
> > As per my understanding, the forwarder does the following on receiving a data packet:
> > 1) Checks in PIT for matching PIT entries
> > 2) Forwards it downstream to all the faces with matching entries.
> > 
> > I would like to implement the following:
> > 1) Receive the data packets from different producers.
> > 2) Check the PIT entries for similar data (but different producer) and same downstream face towards the consumer. 
> > 3) Aggregate the packets and send it downstream to the consumer as a single data packet.
> > 
> > Thanks & Regards,
> > Roshith Sebastian
> > 
> > 
> > 
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