[ndnSIM] interest=/localhost/nfd/faces/events/%FE%05 ?

[Carl Zu]

Hi Alex,

Thanks for your reply. These notification streams are not only for new
faces. They are for strategy choice, and in particular for FIB population
(add-nexthop). The important question is that what shall I do if I like to
implement my own FIB population method ?

Minor questions (logs are for ndn-simple.cpp):
1. Why these notification streams start from node "-1" (I believe it should
not be a node), and then they continue for real nodes. See here:

0s -1 nfd.Forwarder:onDataUnsolicited(): [DEBUG] onDataUnsolicited face=1
data=/localhost/nfd/fib/add-nexthop/h%0C%......

2. Notification streams not only contain interests and data, but they
contain "matching" as well (for add-nexthop and enable-local-control). What
is that ?. See here:

0s 1 nfd.Forwarder:onIncomingData(): [DEBUG] onIncomingData
matching=/localhost/nfd/fib/add-nexthop/h%1A

OR

0s 1 nfd.Forwarder:onIncomingData(): [DEBUG] onIncomingData
matching=/localhost/nfd/faces/enable-local-control/h%03........

3. even if googled and read, have not understood well
"enable-local-control". Small explanation would be appreciated.

Thanks very much,
C





On Tue, Feb 23, 2016 at 7:25 PM, Alex Afanasyev <aa at cs.ucla.edu> wrote:

>
> On Feb 23, 2016, at 6:29 AM, Carl Zu <carlzu8 at gmail.com> wrote:
>
> Hi !
>
> there are some interests that come in between ordinary interests. For
> example, look at the two types of interest messages in the following logs.
> Type 1 is clearly an interest sent for retrieving a content object with a
> certain prefix. What is interest type 2 ?
>
> *Type1: *
> 2s 0 nfd.Forwarder:onOutgoingInterest(): [DEBUG] onOutgoingInterest
> face=256 interest=/prefix/%FE%00
>
> *Type2*:
> 2s 0 nfd.Forwarder:onIncomingInterest(): [DEBUG] onIncomingInterest
> face=257 interest=/localhost/nfd/faces/events/%FE%05
>
>
> Hi Carl,
>
> When NFD detects there is a new face (e.g., new application), it notifies
> its internal module and any other interested applications about the fact.
> You can learn more about this here:
> http://redmine.named-data.net/projects/nfd/wiki/Notification
>
> Does this mechanism affect your simulations?
>
> ---
> Alex
>
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