Patent ID: 7986701

Claim:
A building control system, comprising: a bridge having a first port for communicating over a wired network using a wired network communications protocol and a second port for communicating over a wireless network using a wireless network communications protocol; a building controller configured to control one or more portions of the building control system, the building controller coupled to the first port of the bridge via a wired network and configured to request data from the bridge using the wired network communications protocol; wherein the bridge is configured to receive data from one or more remotely located building controllers via the wireless network, and for storing the data in a cache memory, the bridge is further configured to provide requested data to the building controller via the wired network upon receiving a request from the building controller; and wherein the bridge is configured to monitor a history of requests received from the building controller, and to learn an expected next request time, so that the bridge can update the cache memory prior to receiving a subsequent request from the building controller.