Cell Relay Archive

[Meng-Hsi Chiu <d8342012@ccunix.ccu.edu.tw>]

There is a US patent describes the data structure and algorithms they used,

the US patent number is #5,905728, "Method of assigning connection
identifier in asychronous transfer mode switching system" It is hard to me
to understand it, perphaps it can help you.


mrityu wrote:

> Hi,
>
> Actually, I have a related question: can some one please explain how the
> VPI/VCI values are actually managed in a switch. I mean what kind of
> data structures do they use and what is the order of magnitude of their
> search time. Linear allocation is simple, but it also will have to take
> care of random allocations as in the case of PVC creation.
>
> Thanks,
>
> Mrityunjay
>
> In article <3776D695.10A55987@ccunix.ccu.edu.tw>,
>   Meng-Hsi Chiu <d8342012@ccunix.ccu.edu.tw> wrote:
> > Did there exist any information of  an SVC implementation in atm
> switch like
> >
> > "most vendors would scan from 32 up and pick up the first free VCI."
> >
> > Thanks a lot.
> >
> > No Spam wrote:
> >
> > > Meng-Hsi,
> > >
> > > For PVC's the network admin assigns the VPI/VCI's by himself so the
> switch
> > > doesn't make any decision. For SVC's the algorithm is vendor
> specific
> > > although most vendors would scan from 32 up and pick up the first
> free VCI.
> > >
> > > Yan.
> >
> >
>
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