This illustration shows two steps required for grabbing the token.
Step 1: Identify True Owner
acct_ny.ny.comwants ownership of of the row for the employee whose
acct_ny.ny.comsite determines the current owner of the row by querying the headquarters database, which is
acct_ny.ny.comsite determines that current owner for the row is the site
Step 2: Grab Ownership and Broadcast Change
acct_ny.ny.comlocks the row locally and synchronously updates both the
acct_ny.ny.comsite and the
acct_sf.sf.comsite, making the owner of the row
acct_ny.ny.comat both sites.
acct_ny.ny.comsite asynchronously updates all other replication sites to make the owner of the row