Replication - DC4 (2)
DC1
u Step 2: User replicated to DC1
l No changes for DCS4
l Note: Write was originated on DC2!
USN 4711 -> 4712
DC4 - Up-to-dateness vector
DC4
DC2
DSA GUID
USN
3388
USN
2053
DC1 GUID
DC2 GUID
DC4 - High watermark vector
DC3
DSA GUID
USN
1217
DC1 GUID
DC3 GUID