[ndnSIM] ndnSIM didn't receive packet

qhsong ndn at sqh.me
Mon May 23 20:36:00 PDT 2016


Hi,
Thanks for your help.  I first use AnnotatedTopologyReader and then use
NodeContainer.Create() some node, I try to use p2p connection to connection
them ,then use ndnHelper.Install().
Then I change all node generator by AnnotatedTopologyReader, It works.
Maybe AnnotatedTopologyReader not compatible with NodeContainer.
Is this a bug?

Thanks for your help.
qhsong



2016-05-24 8:36 GMT+08:00 Spyridon (Spyros) Mastorakis <
mastorakis at cs.ucla.edu>:

> Hi,
>
> I will try to guess what might be going on. Such a thing can happen if you
> have a node with multiple faces and the consumer application running on the
> first face sends an Interest that can be satisfied by the producer
> application running on the other face. Is this the case?
>
> This could be also possible if you have a producer and consumer
> application running on the same face. However, this should not be the case,
> since NFD is not supposed to forward an Interest through the face that was
> received.
>
> Hope that this helps!
>
> Spyridon (Spyros) Mastorakis
> Personal Website: http://cs.ucla.edu/~mastorakis/
> Internet Research Laboratory
> Computer Science Department
> UCLA
>
>
> On May 20, 2016, at 12:30 AM, qhsong <ndn at sqh.me> wrote:
>
> Hi every,
>
> In my experiment, I try to send interest into another node, but it failed,
> I run it by following command:
> NS_LOG=nfd.Strategy:nfd.Forwarder:ndn.NetDeviceFace ./waf --run=experiment
>
> the send log look like this:
>
> 0.001s 21 nfd.Forwarder:onIncomingInterest(): [DEBUG] onIncomingInterest
> face=258 interest=/test0/%02/%FE%00
>  1299 0.001s 21 nfd.Forwarder:onContentStoreMiss(): [DEBUG]
> onContentStoreMiss interest=/test0/%02/%FE%00
>  1300 0.001s 21 nfd.Forwarder:onOutgoingInterest(): [DEBUG]
> onOutgoingInterest face=256 interest=/test0/%02/%FE%00
>  1301 0.001s 21 ndn.NetDeviceFace:sendInterest(0x8ef7634, 0x91b5c6c)
>  1302 0.002s 21 nfd.Forwarder:onIncomingInterest(): [DEBUG]
> onIncomingInterest face=258 interest=/test0/%03/%FE%00
>  1303 0.002s 21 nfd.Forwarder:onContentStoreMiss(): [DEBUG]
> onContentStoreMiss interest=/test0/%03/%FE%00
>  1304 0.002s 21 nfd.Forwarder:onOutgoingInterest(): [DEBUG]
> onOutgoingInterest face=256 interest=/test0/%03/%FE%00
>  1305 0.002s 21 ndn.NetDeviceFace:sendInterest(0x8ef7634, 0x91b62d4)
>  1306 0.003s 21 nfd.Forwarder:onIncomingInterest(): [DEBUG]
> onIncomingInterest face=258 interest=/test0/%04/%FE%00
>  1307 0.003s 21 nfd.Forwarder:onContentStoreMiss(): [DEBUG]
> onContentStoreMiss interest=/test0/%04/%FE%00
>  1308 0.003s 21 nfd.Forwarder:onOutgoingInterest(): [DEBUG]
> onOutgoingInterest face=256 interest=/test0/%04/%FE%00
>  1309 0.003s 21 ndn.NetDeviceFace:sendInterest(0x8ef7634, 0x91b6b24)
>  1310 0.004s 21 nfd.Forwarder:onIncomingInterest(): [DEBUG]
> onIncomingInterest face=258 interest=/test0/%05/%FE%00
>  1311 0.004s 21 nfd.Forwarder:onContentStoreMiss(): [DEBUG]
> onContentStoreMiss interest=/test0/%05/%FE%00
>  1312 0.004s 21 nfd.Forwarder:onOutgoingInterest(): [DEBUG]
> onOutgoingInterest face=256 interest=/test0/%05/%FE%00
>  1313 0.004s 21 ndn.NetDeviceFace:sendInterest(0x8ef7634, 0x91b73bc)
>
> It seems another node didn't receive the packet. Any one can give some
> ideas about this?
> Thanks for your help.
>
> Best Wish,
> Qhsong
>
>
>
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