Transcript bf-vinod-SPG-Entity-0110-v01.pptx

M Vinod Kumar
Dr. Abhay Karandikar
Towards
Core
Multiplex Entity
All fault
indications
are available
on one port
CBP
PIP



Situation for Segment Protection Group is
different
Segment fault indication/notification are
available on different PNP ports
So we need to collect them at one place and
process
CCM
Down MEP
PNP1
RELAY
Down MEP
CCM
PNP2
1. The faults are processed
at SPG Entity
2. Forwarding ports are
modified appropriately
Higher Layer
Entity or
SPG Entity
(2)
(1)
Down MEP
DA
Port
CCM
PNP1
RELAY
Down MEP
CCM
PNP2


SPG Entity will run M:1 protection statemachine
In PBB-TE Protection Group, the frame header
fields were changed upon fault notification
 Example: ESP-VID is changed and so TESID changes

In SPG, the frame header fields remain same
upon fault notification
 Only forwarding port number is changed in the MAC
table