Question about the difference between MSPP and MSTP

[jinhong.im]

Hell,

I wonder what is different between 15454 MSPP and SMTP.

Any answer will be appreciated.

Thanks

[mosho]

MSPP and MSTP both use the same chassis. control and communication cards and software. The difference is that MSPP uses TDM (SONET and SDH) cards OCn, STMn, Cross connect, while MSTP is DWDM i.e transponders, ROADM, pre-amps e.t.c