[ndnSIM] Per-interface (face?) statistics?

[Muhammad Hosain Abdollahi Sabet]

John,

Following Alex, I suppose it could be said that there are different cases.
Face

> Implements the NDN face abstraction on top of different lower level
> transport mechanisms.

You may have a multicast face which corresponds to multiple NICs with
multicast capability. Or you may even have a unicast face on top of a
broadcast channel(*lower level transport mechanism*) like wifi.

--
Sabet

خندان باشید
با تشکر

On Sun, Jan 8, 2017 at 10:18 AM, Alex Afanasyev <aa at cs.ucla.edu> wrote:

>
> On Jan 7, 2017, at 10:40 PM, John Baugh <jpbaugh at umich.edu> wrote:
>
> Prof. Zhang,
>
> It is an honor to hear from you.  Thank you for your reply.
>
> 1.  What I mean by "connected" in the context of my simulation that I'm
> preparing is that, for a simple case, I have used the *AppHelper *to
> create *ConsumerCbr *nodes (although others, such as ZipfMandelbrot could
> be used in the future, I assume) --I install links using a *PointToPointHelper
> *in a configuration like so:
>
>       [consumer] <---> [router] <---> [producer]
>       [consumer] <--------^
>
> Is the default behavior such that an individual Face is created between
> each consumer and the router?
>
>
> Hi John,
>
> If you're using *PointToPointHelper* (or the AnnotatedTopologyReader)
> then you have a one-to-one correspondence between the link and the created
> Face.  However, you can use other links (and not yet implemented face
> implementations for ndnSIM) where one link may correspond to more than one
> face.  This, for example, could be with WiFi links.
>
> 2.   I ask the above, because I don't explicitly designate a face when
> creating a link.
>
> Thanks,
>
> John
>
> On Sun, Jan 8, 2017 at 1:26 AM, Lixia Zhang <lixia at cs.ucla.edu> wrote:
>
>>
>> > On Jan 7, 2017, at 10:15 PM, John Baugh <jpbaugh at umich.edu> wrote:
>> >
>> > ndnSIM friends,
>> >
>> > I'm mostly just mulling over some ideas about this for the time being,
>> but I'd like to get some information from anyone reading this, with some
>> insight.
>> >
>> > Consider several Consumers connected to a router,
>>
>> I assume you meant consumers *physically* connected to a router (i.e. via
>> a layer-2 connectivity)
>>
>> > which is then connected to a Producer (or multiple producers - just
>> consider one for now)
>> >
>> > 1.  Is it correct for me to assume that each connection between a
>> Consumer at the router is a Face (interface?) or is there any sharing?
>> E.g., do consumers 1, 2, 3, 4, etc. ever connect to the Producer with the
>> same face?
>>
>> it is up to what is that layer-2 connection is, whether each consumer is
>> connected by a separate wire, or all consumers share the same media (e.g.
>> Ethernet)
>>
>>
>> > 2.  I'm trying to see what would happen if an attacker hijacked a node
>> or nodes at focused their attack on an individual interface (face), so is
>> this equivalent to compromising one or more consumers?
>> >     -->  In other words is there a one-to-one correspondence between
>> the Face and the Consumer always?  If not, when is this not the case and
>> can it be controlled?
>> >
>> > Thanks,
>> >
>> > John
>> > _______________________________________________
>> > ndnSIM mailing list
>> > ndnSIM at lists.cs.ucla.edu
>> > http://www.lists.cs.ucla.edu/mailman/listinfo/ndnsim
>>
>>
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