A new bgpdump tool

[Chris Morrow]

Are you asking for a presentation slot for this? (which seems ok to me,
btw).

On 03/04/2015 08:20 PM, Yasuhiro Ohara wrote:
> 
> Hi,
> 
> I'm developing a new tool that can read routeviews
> RIB files (MRT v2 RIB format). I call it "bgpdump2". It is similar, but
> with a few additional features, to the libbgpdump.
> It is going to be open source (the process is on-going).
> 
> This e-mail is to consult if there is some interest in such a tool.
> I'm considering to provide a presentation in Dallas.
> 
> The motivations of creating a brand new tool are below.
> 1. libbgpdump seemed to have some rooms to speed up, since
>    it seems to issue many small-sized read operations, rather than
>    making a small number of large-sized read operations.
> 2. I wanted to add a few additional features (explained below)
>    to such tools.
> 3. it didn't seem easy to modify the libbgpdump for me.
> 
> The additional features include longest prefix matching using a
> PATRICIA table inside the command, diff'ing the prefixes
> between peers (Note, the BGP prefixes are stored per peer
> in the RIB file), and to display of some statistics of RIBs per peer.
> 
> I am from a R&D division of a tier-1 ISP (i.e., NTT Communications),
> and was trying to compare BGP full route routing table instances,
> possibly between ISPs.  I expect that such a tool can contribute to
> get a detailed view on how/why BGP full route routing tables are
> different.  For example, we're going to need the longest matching
> lookup function to see if the differentiating prefix is covered by a
> shorter prefix.
> 
> However I'm not greatly succeeding so far, since the reason for
> a prefix that is differentiating depends on case by case
> (and there are various reasons including "the business relationship"),
> and I could not get a summarized view after the comparison of
> (say) two BGP full route routing tables.
> 
> I would like to get some feedback from the community on these things.
> I can provide in Dallas some more details of my tool,
> some performance benchmark of it,
> and some statistics of RouteView's RIB files.
> 
> Would you kindly share your opinions on this ?
> 
> Thanks.
> 
> Best regards,
> Yasu
> 
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