Internet Assigned Numbers Authority

                                  Routing Protocol for Low Power and Lossy Networks (RPL) Routing Metric/Constraint

   Last Updated
           2012-03-28

   Available Formats
           [IMG]
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   Registries included below

     * Routing Metric/Constraint Type
     * Routing Metric/Constraint TLVs
     * Routing Metric/Constraint Common Header Flag field
     * Routing Metric/Constraint Common Header A field
     * NSA Object Flag field
     * Hop-Count Object Flag field
     * Node Type Field

Routing Metric/Constraint Type

   Registration Procedure(s)

 IETF Review

   Reference
           [RFC6551]

   Available Formats
           [IMG]
           CSV

   Value       Description        Reference
   0     Unassigned
   1     Node State and Attribute [RFC6551]
   2     Node Energy              [RFC6551]
   3     Hop Count                [RFC6551]
   4     Link Throughput          [RFC6551]
   5     Link Latency             [RFC6551]
   6     Link Quality Level       [RFC6551]
   7     Link ETX                 [RFC6551]
   8     Link Color               [RFC6551]
   9-255 Unassigned

Routing Metric/Constraint TLVs

   Registration Procedure(s)

 First Come First Served

   Reference
           [RFC6551]

   Available Formats
           [IMG]
           CSV

   Type  Value Length Description Reference
   0-255              Unassigned

Routing Metric/Constraint Common Header Flag field

   Registration Procedure(s)

 IETF Review

   Reference
           [RFC6551]

   Available Formats
           [IMG]
           CSV

   Bit     Description     Reference
   8   Recorded/Aggregated [RFC6551]
   7   Optional Constraint [RFC6551]
   6   Constraint/Metric   [RFC6551]
   5   P (Partial)         [RFC6551]
   0-4 Reserved            [RFC6551]

Routing Metric/Constraint Common Header A field

   Registration Procedure(s)

 IETF Review

   Reference
           [RFC6551]

   Available Formats
           [IMG]
           CSV

   Value           Description            Reference
   0     Routing metric is additive       [RFC6551]
   1     Routing metric reports a maximum [RFC6551]
   2     Routing metric reports a minimum [RFC6551]
   3     Routing metric is multiplicative [RFC6551]
   4-7   Unassigned

NSA Object Flag field

   Registration Procedure(s)

 IETF Review

   Reference
           [RFC6551]

   Available Formats
           [IMG]
           CSV

   Bit Description Reference
   0-5 Reserved    [RFC6551]
   6   Aggregator  [RFC6551]
   7   Overloaded  [RFC6551]

Hop-Count Object Flag field

   Registration Procedure(s)

 IETF Review

   Reference
           [RFC6551]

   Value  Description  Reference
   No registrations at this time.

Node Type Field

   Registration Procedure(s)

 IETF Review

   Reference
           [RFC6551]

   Available Formats
           [IMG]
           CSV

   Value              Description              Reference
   0     a mains-powered node                  [RFC6551]
   1     a battery-powered node                [RFC6551]
   2     a node powered by an energy scavenger [RFC6551]
   3     Unassigned

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