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