NFD

Should we create a new section "Congestion Control"?

Otherwise, I think the information would be spread all over the dev guide: Face, Transport, NDNLP, Management, etc.

I'm also not sure where the "how applications can use congestion marks" section would fit.

Should we create a new section "Congestion Control"?

This is one option.

Otherwise, I think the information would be spread all over the dev guide: Face, Transport, NDNLP, Management, etc.

This is bad.

I'm also not sure where the "how applications can use congestion marks" section would fit.

Another option is to publish congestion control implementation as a technical report, and cite it from NFD devguide. ASF strategy is following this practice.

Thanks for your feedback!

I don't think we have enough material for a tech report yet, so I think we should go for the section. I'll write up a draft soon.

Maybe we can write a tech report later, including some experience in deployment and some measurement results.

For proofreading:

Congestion signaling and detection can be enabled in multiple ways. In the NFD configuration file, this feature can be enabled or disabled by default on supported faces (TCP, UDP, and Unix stream) by setting face_system.general.enable_congestion_marking to yes or no, respectively. Through nfdc face, this feature can be enabled or disabled for a specific face by adding congestion-marking on or congestion-marking off as a parameter to nfdc face create or nfdc face update. This will override the value set in the NFD configuration file and, if unspecified to nfdc face create, the status of this feature will default to the value in the configuration file.

On consumer and producer applications, congestion marks can be set on a network packet with Interest::setCongestionMark, Data::setCongestionMark, and Nack::setCongestionMark. The current value can be retrieved with Interest::getCongestionMark, Data::getCongestionMark, and Nack::getCongestionMark. A value of 0 indicates that the mark is unset.

Just pushed a minor update. What is missing I think is a couple of sentences (and refer to the congestion control section) in the Generic Link service and/or NDNLP sections.

Davide Pesavento wrote:

What is missing I think is a couple of sentences (and refer to the congestion control section) in the Generic Link service and/or NDNLP sections.

Should this just say "Generic Link service now also implements congestion control. See Section X". Or do you have something more specific in mind?