The image shows two sites: production and standby. Each node in the production site has a corresponding node in the standby site.
Nodes on the production site:
The node running the OracleAS Infrastructure has the following characteristics:
Hostname: prodinfra
Alias: asinfra
IP address: 138.1.2.111
Oracle Data Guard synchronizes the data in the OracleAS Metadata Repository on the production site with the data in the OracleAS Metadata Repository on the standby site.
A node running a middle tier has the following characteristics:
External hostname: prodmid1
Internal hostname: asmid1
IP address: 138.1.2.333
Another node running another middle tier has the following characteristics:
External hostname: prodmid2
Internal hostname: asmid2
IP address: 138.1.2.444
Nodes on the standby site:
The node running the OracleAS Infrastructure has the following characteristics:
Hostname: standbyinfra
Alias: asinfra
IP address: 213.2.2.110
A node running a middle tier has the following characteristics:
External hostname: standbymid1
Internal hostname: asmid1
IP address: 213.2.2.330
Another node running another middle tier has the following characteristics:
External hostname: standbymid2
Internal hostname: asmid2
IP address: 213.2.2.331