Routing under heavy loading

Details Routing under heavy loading Routing under heavy loading

2011-06-14

2011-06-14

Jagannathan, Melanie (Department: 2468)

Multiplex communications

Data flow congestion prevention or control

Flow control of data transmission through a network

C370S392000

Reexamination Certificate

active

07961625

ABSTRACT:
According to the invention, a delivery network for assisting delivery of content objects over an Internet is disclosed. The delivery network includes a network outlet, an interface and a routing function. The network outlet is coupled to a plurality of full-route networks, where each of the plurality of full-route networks is capable of delivering content objects to a plurality of terminal networks. The plurality of terminal networks include a terminal network, where the plurality of terminal networks are coupled to a plurality of end user computers. The interface receives content objects for delivery to the plurality of end user computers. The routing function routes content objects in at least two modes, where a first mode routes content objects based upon a first route path from the network outlet to the terminal network, and a second mode routes at least some content objects using a second route path from the network outlet to the terminal network. The first route path is chosen based upon delivery efficiency. Switching from the first mode to the second mode is triggered when at least of a portion of the first route path reaches a predetermined level of use. The first and second route paths are different, and the second route path is less efficient than the first route path.

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