Hi Andy, Yes, vcl/vls/ldp are libraries which are either linked in by the app or, in case of ldp, work as an LD_PRELOAD shim between the app and vpp. VPP also needs to be in the same vm as vcl can only attach to vpp over shared memory (see slides 3 and 6 here [1]).
The controller would then be a “layer on top" of these libraries, i.e., somehow the apps would need to maintain a control channel, either through vcl/vpp or some other way. Note how I said the apps, i.e., vcl/vls/ldp don’t support this :-) Regards, Florin [1] https://wiki.fd.io/images/9/9c/Vpp-hoststack-kc-eu19.pdf > On Oct 1, 2021, at 3:31 PM, aolye <andy...@gmail.com> wrote: > > Hi Florin, > > Thank you. Is vcl,vls or ldp best use case still on the same vm machine? How > is the performance or speed for use vcl, vls or ldp across vm machine? > > Best, > --Andy > >
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