- (Sync, Delay_req,
Pdelay_Req and
Pdelay_
Resp) are sent to port
number 319.
General messages (Announce, Follow_Up, Delay_
Resp,
Pdelay_
Resp_Follow_Up, management...
- minimum: Announce, Sync, Follow_Up, Delay_Req, Delay_
Resp,
Pdelay_Req,
Pdelay_
Resp,
Pdelay_
Resp_Follow_Up 250 μs
maximum delay may be
required for time-critical...
-
method of PRP is not applicable. Also,
delay measurement messages (
Pdelay_Req &
Pdelay_
Resp) are not
duplicated since they are link-local.
About every second...
-
master appends a
padding to Sync
messages to
ensure that Sync and
Pdelay_Req/
Pdelay_
Resp messages have the same size (this will
specified in IEEE 1588:2017)...
-
special treatment is
given to link-specific
frames such as LLDP or
Pdelay_Req /
Pdelay_
Resp Precision Time
Protocol frames, for
which the HSR tag is ignored...
- (Delay_Req/Delay_
Resp) over
Layer 3 (Internet Protocol) to
fulfill the
requirements of ODVA; L2P2P: Peer-to-peer
measurement (
Pdelay_Req/
Pdelay_
Resp) over Layer...