The name of the PW template.
Set by the operator to indicate the protocol responsible
for establishing this PW. The value 'static' is used in all
cases where no maintenance protocol (PW signaling) is used
to set-up the PW, i.e. require configuration of entries in
the PW tables including PW labels, etc. The value 'ldp' is
used in case of signaling with the PWid FEC element with LDP
signaling. The value 'rsvp' indicate the use of rsvp
control protocol.