Verizon Laboratories Inc.

Verizon Patent and Licensing Inc.

Peter Kubat

Michael Alan Weintraub

James MacGregor Smith

Systems and methods are provided for the storage of content on a network and the delivery of content to subscriber locations. According to one system and method, content is delivered to a set-top box from a content source in the process of transmitting the same content to another set-top box. The content source instructs a shared router to duplicate the content such that the content is transmitted to the requesting set-top boxes substantially simultaneously. According to another system and method, a server and cache provide dynamic caching of content such that requests for content are satisfied from the cache if possible. If the requested content is not found in the cache, the content is requested from alternate source and added to the cache. Weight values associated with the stored files are updated such that the more frequently requested files are maintained in the cache.

Content storage and delivery systems and associated methods

Network data transmission systems and methods are described. In one embodiment, a method for transmitting data between two nodes of a network can include transmitting the data using a protection bandwidth of a first transmission path between the two nodes and, based on detecting a failure condition in the first transmission path, using a different second transmission path between the two nodes to transmit the data otherwise transmitted using the protection bandwidth of the first transmission path. In one embodiment, the systems and methods can be applied to networks that use a layer-1 redundancy scheme.

Network data transmission systems and methods

A method of allocating a plurality of traffic demands on a network having a plurality of stations connected by a bi-directional ring is disclosed. The method comprises selecting a first traffic demand from the plurality of traffic demands. The method then acquires a first existing traffic volume for a first direction of the bi-directional ring and a second existing traffic volume for a second direction of the bi-directional ring. Either the first or second direction is selected for transmitting the first traffic demand based on the smallest incremental increase in the load of the bi-directional ring.

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Sudbury, MA, United States of America

Peter Kubat