Forwarder Status¶

• Table of contents
• Forwarder Status
  • General Status Dataset
  • TLV-TYPE assignments

Forwarder Status is a module of NFD Management protocol.
It provides:

• a dataset of forwarder version information and global counters

Forwarder Status datasets are available under namespace ndn:/localhost/nfd/status.

General Status Dataset¶

General Status is published as a Status Dataset at ndn:/localhost/nfd/status/general.

GeneralStatus = NfdVersion
                StartTimestamp
                CurrentTimestamp
                NNameTreeEntries
                NFibEntries
                NPitEntries
                NMeasurementsEntries
                NCsEntries
                NInInterests
                NInData
                NInNacks
                NOutInterests
                NOutData
                NOutNacks
                NSatisfiedInterests
                NUnsatisfiedInterests

NfdVersion = NFD-VERSION-TYPE TLV-LENGTH
               UTF-8 string

(other TLVs have nonNegativeInteger as value)

• NfdVersion: NFD version; this is usually same as nfd --version output, but the forwarder MAY hide its version and return an empty string
• StartTimestamp: timestamp (milliseconds since UNIX epoch) when forwarder starts
• CurrentTimestamp: timestamp (milliseconds since UNIX epoch) of current time
• NNameTreeEntries: number of NameTree entries
• NFibEntries: number of FIB entries
• NPitEntries: number of PIT entries
• NMeasurementsEntries: number of Measurements entries
• NCsEntries: number of CS entries
• NInInterests: number of incoming Interest packets processed since forwarder starts
• NInData: number of incoming Data packets processed since forwarder starts
• NInNacks: number of incoming Nack packets processed since forwarder starts
• NOutInterests: number of outgoing Interest packets processed since forwarder starts
• NOutData: number of outgoing Data packets processed since forwarder starts
• NOutNacks: number of outgoing Nack packets processed since forwarder starts
• NSatisfiedInterests: number of satisfied Interests, incremented when a PIT entry that has been satisfied is being removed
• NUnsatisfiedInterests: number of unsatisfied Interests, incremented when a PIT entry that has not been satisfied is being removed

TLV-TYPE assignments¶