Tony,
On 19/02/2020 10:30, Tony Li wrote:
Peter,
above is nowhere close to what the reality is, especially in the distributed
system. In such system, packets traverses via multiple queues on both LC and RP
and application like IGP has no visibility to these queues.
As you may recall, I was lead software architect for NCS 6000.
I do recall :)
I am well aware that a distributed implementation is more complex. However, Les
is insistent that we discuss specifics and that is most easily >done with a
simpler model.
The applications can get visibility into the queues through the same fundamental
mechanism: poll the various NPUs on the data path and report to >the
application CPU.
everything is possible...
Given many different hardware architectures one may run a single IGP
implementation on, this becomes impractical and complex as each hardware
architecture has its own specifics. One would rather keep the IGP
implementation hardware agnostic, rather than providing hardware
specific hooks for each platform it runs on.
thanks,
Peter
Tony
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