CONTROLLER, MESSAGE DELIVERY SYSTEM, MESSAGE DELIVERY METHOD, AND PROGRAM

摘要

A controller, for controlling a switch that forwards a message, comprises: a holding unit that, upon receipt of a notification including a tag from a second node that subscribes to a message delivered with the tag from a first node, associates and holds the tag and a virtual address, and associates and holds the virtual address and a physical address of the second node that transmits the notification; a setting unit that sets in the switch the association between the virtual address and the physical address; and a tag resolution unit that, upon receipt of an inquiry about the virtual address associated with the tag from the first node, responds the virtual address.

主权项

1. A controller for controlling a switch that forwards a message, the controller comprising:
a holding unit that, upon receipt of a notification including a tag from a second node that subscribes to a message delivered with the tag from a first node, associates and holds the tag and a virtual address, and associates and holds the virtual address and a physical address of the second node that transmits the notification; a setting unit that sets in the switch the association between the virtual address and the physical address; and a tag resolution unit that, upon receipt of an inquiry about a virtual address associated with the tag from the first node, responds the virtual address.