Patent ID: 8321540

Claim:
A push update system, including: a root node of a hierarchy of nodes of a security system, the root node including: a first upstream agent configured to send updates to downstream nodes, without a request for said updates from said downstream nodes and without polling of said downstream nodes; and a first schedule agent configured to schedule processing by the first upstream agent; an intermediate node of the hierarchy of nodes, the intermediate node including: an update agent configured to process received updates and queue the received updates for transmitting to downstream nodes; a second upstream agent configured to send updates to said downstream nodes, without a request for said updates from said downstream nodes and without polling of said nodes; a second schedule agent configured to schedule processing by the second upstream agent; and a first downstream agent configured to receive and store updates from said first upstream agent; and a leaf node of the hierarchy of nodes, the leaf node including: a second downstream agent configure to receive and store updates; and an Internet protection appliance.