Disaster recovery internet protocol address failover

Patent metadata

Field	Value
Publication number	US-9104625-B2
Application number	US-201213673098-A
Country	US
Kind code	B2
Filing date	Dec 11, 2012
Priority date	Dec 11, 2012
Publication date	Aug 11, 2015
Grant date	Aug 11, 2015

Abstract

An approach is provided for internet protocol (IP) address failover. An application on a primary site is assigned a private IP address. This private IP address is accessible within a local network. This private IP address is mapped to a public IP address, which is accessible to users outside the local network. The application is then replicated to a backup site with the same private IP address used to access it on the primary site. In case of a disaster recover event on the primary site, the replicated application can be accessed on the backup site by way of the public IP address.

First claim

What is claimed is:

1. A method for disaster recovery internet protocol (IP) address failover, the method comprising:
assigning a private IP address to an application on a primary site, the private IP address being accessible within a local network;
mapping a public IP address to the private IP address, the public IP address being accessible to a plurality of users outside the local network;
replicating the application to a backup site, the replicated application having the pr…

Assignees

• IBM

Inventors

• Bartholomy Erik
• Giordano Frank J
• Greenlee Gordan G
• Menon Gourishankar R
• Walter Victor L

Classifications

• G06F11/1484 Primary

  Physics · mapped topic

• G06F11/1464 Primary

  Physics · mapped topic

• G06F11/202

  Physics · mapped topic