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> > 3) We need a function to immediately suppress the user
> traffic at the egress PE when an LSP
> > is routed-routed.
> Actually, this is up to the NOC operators.
The decision to suppress the traffic or not is up to the operator. But what tool is available to them in order to suppress the traffic when a misrouting defect is detected?
> > 4) To support PWE3 applications, we need a function to
> generate AIS for the tunneled circuits
> > at the egress PE, when a defect is detected in the MPLS network.
> In fact, the detection mechanism should go beyond
> protocol-level (RSVP
> and LDP) probing. All MPLS applications, such as
> L2-VPN/L3-VPN, should
> be able to check the connectivity of their circuits.
If I understand correctly, you are suggesting that connectivity check
should be done at the circuit level not tunnel level.
Off course each tunneled circuit should have its own method of connectivity
check. But if you don't translate a connectivity loss in the tunnel level to those circuits , then an alarm storm will happen at the terminating point of those circuits, which could cause mass confusion.