[ndnSIM] Regarding Forwarding Strategies Best Route and NCC

[Junxiao Shi]

Hi Ahmed

What routing metrics to use is an unsolved problem <http://redmine.named-data.net/issues/2010>.
NDN testbed is using round-trip time (in milliseconds) measured by IP ping as its routing metrics.

See CcndStrategy <http://redmine.named-data.net/projects/nfd/wiki/CcndStrategy> for information on NCC strategy.

Yours, Junxiao

> On Jan 28, 2016, at 9:00 AM, Ahmed Sadek <don1559 at gmail.com> wrote:
> 
> Dear All,
> 
> I am trying to understand better the two strategies of best route and NCC. My understanding is:
> 
> BestRoute: This strategy relies on routing information and forwards Interests on the path with the lowest costs considering a specific metric. 
> So I was wondering what routing metrics options we can consider for this strategy ? 
> 
> NCC: Interests are forwarded to the interface, that provides content with the lowest delay.
> So how is the delay is measured here on a low level for each interface? and is it measured for each prefix for each interface or only for each interface ?
> 
> I really appreciate any explanation or if you point me to a link explaining it.
> 
> Thanks !
> 
> Ahmed Sadek
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