#processing tool chain -- upstream in rulematching first
1. merge D group membership with D interface filter ==> Dall
2. merge Dall with U1 interface filter ==> U1 membership aggregation, R
3. merge R with U2 interface filter ==> U2 membership aggregation
#processing tool chain -- upstream in rulematching mutex
#Examples -- upstream in rulematching first
1. merge D group membership with D interface filter ==> Dall
2. calculate the Mutex Blacklist for every upstream (all received sources form all interfaces (D, U1, U2) without the sources of the own interface) ==> M_BL_U1, M_BL_U2
3. merge Dall with U1 interface filter and with M_BL_U1 ==> U1 membership aggregation
4. merge Dall with U2 interface filter and with M_BL_U2 ==> U2 membership aggregation
HINT: Dall has to be calculated for every Downstream and merged after the processing tool chain
#Example -- upstream in rulematching first
#Downstream status | Upstream status ==> Membership Aggregation