Verizon Patent and Licensing Inc.

Brian W Joe

Dante John Pacella

Benjamin J Parker

Matthew John Threefoot

Takkin G Yum

A device may receive a content distribution network (CDN) routing table from a topology manager; receive a request, from a device in either of a redirect CDN or a domain name system (DNS), to identify a target CDN for sending content to a user device; perform a lookup in the CDN routing table, based on information provided by the device and CDN selection policies, to select the target CDN; obtain an identifier corresponding to the target CDN as a result of performing the lookup; and provide the identifier to the device.

Selecting a content delivery network

Methods, devices, and storage mediums resolve uniform resource identifiers to Internet protocol addresses based on various criteria. Additionally, uniform resource identifiers are resolved to Internet protocol addresses based on Application-Layer Traffic Optimization information and domain name system policies.

Virtual domain name system

Multicast adaptive stream switching for delivery of video content over an IP-based packet network is provided. A network device obtains multiple synchronized multicast streams of the same video content, where each of the multiple synchronized multicast streams includes a different bit-rate encoding. The network device receives, from a user device, a request to join a multicast group for one of the multiple synchronized multicast streams and provides, to the user device, the one of the multiple synchronized multicast streams corresponding to the requested multicast group. The user device detects a congestion level associated with the current multicast stream. The network device receives, from the user device, a request to join a different multicast group for a different one of the multiple synchronized multicast streams and provides, to the user device, the different one of the multiple synchronized multicast streams corresponding to the requested different multicast group.

Multicast adaptive stream switching for delivery of over the top video content

A network device may be configured to receive video quality data that includes information corresponding to a delivery of video content from a content source to a user device via a network and information corresponding to video presentation conditions corresponding to the user device. The network device may also be configured to determine video quality metrics based on the video quality data. Each of the video quality metrics may correspond to a characteristic of the delivery of the video content from the content source to the user device or the video presentation conditions corresponding to the user device. The network device may also be configured to determine, based on the video quality metrics, a video quality score that corresponds to an estimated user viewing experience corresponding to the video content. The network device may also be configured to communicate the video quality score to an operator of the network.

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Brian W Joe