[ndnSIM] structure of fib in ndnsim
huyao0107 at gmail.com
Fri Mar 15 01:33:56 PDT 2013
Thanks for your explanation!
I am sorry I still have the perplexity. I saw that fib::Entry->RemoveFace
call just has one parameter (const Ptr<
&face) without relation to some specific prefix, so I guess if I want to
delete one specific face from one specific prefix, it will have the same
impact to other prefixes which also have the face.
My intention is to delete one specific face from a specific prefix, while
any other prefix still retains the face if it has. Is it feasible in the
current ndnsim? If not, how do I do to implement such a functionality? Or
my understanding for this issue has some error?
2013/3/15 Alex Afanasyev <alexander.afanasyev at ucla.edu>
> My small correction :). I meant that it is forwarding strategy job to pick
> a particular face from FIB entry.
> On Mar 14, 2013, at 7:55 PM, Alex Afanasyev <alexander.afanasyev at ucla.edu>
> Hi huyao,
> You are right, for the single prefix there will be only one FIB entry
> created and it is forwarding strategy job to pick a particular one to
> forward an Interest in this prefix.
> There is an interface in fib::Entry to remove a specific face from s
> specific FIB entry. You can also check recent conversation
> http://www.lists.cs.ucla.edu/pipermail/ndnsim/2013-March/000242.html with
> more details about that.
> On Mar 14, 2013, at 7:28 PM, yao hu <huyao0107 at gmail.com> wrote:
> a supplement.. If so, is there a way to delete just some face like face 0
> from the fib entry with the prefix /data without deleting face 1?
> Thanks for your reply!
> 2013/3/15 yao hu <huyao0107 at gmail.com>
>> Dear ndnsimers,
>> Assume that there is an existing fib entry with the prefix /data, face 0
>> in some specific node. Now by using the function Add() or AddRoute(), a new
>> fib entry will be added with the same prefix /data, but with the different
>> face 1. So I wonder in ndnsim, they are counted as two fib entries in FIB
>> or just seemed as one. For my understanding, the answer is the latter.
>> Here, in Fib class, GetSize<http://ndnsim.net/doxygen/classns3_1_1ndn_1_1_fib.html#a93a184d9fdc1ace4ea82647c5834ff9c> ()
>> still equals to 1. Am I right?
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