公开(公告)号：US08990247B2

公开(公告)日：2015-03-24

申请号：US14163619

申请日：2014-01-24

Applicant: Cisco Technology, Inc.

Inventor： Bhaskar Bhupalam ,  Jayaraman Iyer ,  Vivek Kansal ,  Biswaranjan Panda

IPC: G06F7/00 ,  G06F17/30 ,  H04L29/06 ,  H04L29/08 ,  H04N21/2343 ,  H04N21/239 ,  H04N21/24 ,  H04N21/262 ,  H04N21/472 ,  H04N21/61 ,  H04N21/658

CPC classification number: H04L65/601 ,  H04L65/4084 ,  H04L65/602 ,  H04L65/80 ,  H04L67/06 ,  H04N21/2343 ,  H04N21/2393 ,  H04N21/2402 ,  H04N21/262 ,  H04N21/47202 ,  H04N21/6131 ,  H04N21/6581

Abstract: Network operators are striving to find ways to provide stable video services amid a rapid increase in video traffic. In order to provide stable video services with constrained network resources, network operators attempted to reduce video file sizes using a content adaptation engine (CAE). However, network operators failed to efficiently readdress video flows to CAEs. This disclosure provides systems and methods for efficiently readdressing video flows to CAEs.

Abstract translation: 网络运营商正在努力寻求在视频流量快速增长的情况下提供稳定视频服务的方法。 为了提供具有受限网络资源的稳定视频服务，网络运营商尝试使用内容适配引擎（CAE）来减少视频文件大小。 然而，网络运营商无法有效地将视频流读取到CAE。 本公开提供了用于有效地将视频流重新定位到CAE的系统和方法。

公开(公告)号：US10320916B2

公开(公告)日：2019-06-11

申请号：US15365432

申请日：2016-11-30

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Wei-Jen Hsu ,  Biswaranjan Panda ,  Jayaraman Iyer ,  Bhaskar Bhupalam ,  Pranav Bhargava

IPC: H04L29/08 ,  H04L29/06 ,  H04N5/76 ,  H04L12/801 ,  H04N21/647 ,  H04N21/2343 ,  H04N21/8358

Abstract: User equipments can download a video file by instantiating multiple video requests, each request specifying different parts of the video file. If each video request initiates a separate transmission control protocol (TCP) session, which is the case with an hypertext transfer protocol (HTTP) partial get request, then a network device in a communications network would be oblivious of contextual information, which indicates that the TCP sessions download different portions of the same video file. This disclosure provides systems and methods for correlating multiple TCP sessions so that a network device in a communications network can be aware of the contextual information.

公开(公告)号：US09923771B2

公开(公告)日：2018-03-20

申请号：US14156124

申请日：2014-01-15

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Jigar Shah ,  Peter Zhu ,  Jayaraman Iyer ,  Bhaskar Bhupalam

IPC: G06F15/16 ,  H04L12/24 ,  H04L29/06 ,  H04L29/08

CPC classification number: H04L41/0893 ,  H04L65/4084 ,  H04L65/60 ,  H04L65/605 ,  H04L67/322

Abstract: A system includes a media optimizer that adaptively generates and transmits a modified manifest file based on an original manifest file corresponding to an associated media asset from a content provider in response to a media content request from a client for the associated media asset. The original manifest file specifies bitrates. The media optimizer extracts parameters associated with the media content request and applies bitrate policies based on the extracted parameters to adaptively modify the original manifest file to generate the modified manifest file. The media optimizer is further configured to transmit the modified manifest file to the client for selection by the client of a bitrate associated with delivery of the associated media asset.

公开(公告)号：US20160295295A1

公开(公告)日：2016-10-06

申请号：US15186447

申请日：2016-06-18

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Sanjay Dixit ,  Biswaranjan Panda ,  Jayaraman Iyer ,  Bhaskar Bhupalam

IPC: H04N21/61 ,  H04N21/647 ,  H04W28/02 ,  H04L29/06

CPC classification number: H04N21/6131 ,  H04L65/4084 ,  H04L65/602 ,  H04L67/32 ,  H04L69/04 ,  H04L69/161 ,  H04N21/64738 ,  H04N21/64784 ,  H04W28/0273 ,  H04W28/0289

Abstract: Systems and methods are used for receiving a video request from a user equipment for video to be downloaded; determining a link bandwidth status associated with the user equipment; in response to the link bandwidth status associated with the user equipment, determining whether to implement one or more additional processing functions associated with the video delivery; during the video delivery, repeating the determining such that the one or more additional processing functions associated with the video delivery can be implemented or not implemented at different times during the video delivery. These processing functions can include transrating, HTTP optimization, TCP optimization, and video pacing.

公开(公告)号：US20150113575A1

公开(公告)日：2015-04-23

申请号：US14058813

申请日：2013-10-21

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Jian Li ,  Peter P. Zhu ,  Jigar Shah ,  Sarav Ramaswamy ,  Bhaskar Bhupalam

IPC: G06F17/30 ,  H04N21/235 ,  H04N21/232 ,  H04N21/278 ,  H04N21/435 ,  H04N21/84 ,  H04N21/24 ,  H04N21/2381 ,  H04N21/61 ,  H04N21/218 ,  H04N21/858

CPC classification number: H04N21/435 ,  H04N21/232 ,  H04N21/235 ,  H04N21/278 ,  H04N21/6125 ,  H04N21/84 ,  H04N21/8586

Abstract: A system includes a content management database configured to access a plurality of media signatures corresponding to a respective plurality of media assets and a signature component configured to process a media request from a requestor to access a given media asset from a content provider via a network and to generate a signature to substantially uniquely identify the given media asset, the signature being derived from media content data corresponding to the given media asset in response to accessing the media content data via the network. The signature component can also be configured to provide to the requestor the given media asset retrieved via the network if the generated media signature does not match any of a plurality of media signatures and provide the given media asset from a content storage system if the generated media signature matches a respective one of the plurality of media signatures.

Abstract translation: 一种系统包括：内容管理数据库，被配置为访问对应于相应的多个媒体资产的多个媒体签名;以及签名组件，被配置为处理来自请求者的媒体请求以经由网络从内容提供商接入给定的媒体资产; 响应于经由网络访问媒体内容数据，生成签名以基本上唯一地标识给定的媒体资源，该签名是从对应于给定媒体资产的媒体内容数据导出的。 如果所生成的媒体签名与多个媒体签名中的任何一个不匹配并且如果所生成的媒体提供给定的媒体资产，则签名组件还可以被配置为向请求者提供经由网络检索到的给定媒体资产 签名匹配多个媒体签名中的相应一个。

公开(公告)号：US10469913B2

公开(公告)日：2019-11-05

申请号：US15186447

申请日：2016-06-18

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Sanjay Dixit ,  Biswaranjan Panda ,  Jayaraman Iyer ,  Bhaskar Bhupalam

IPC: H04N21/61 ,  H04N21/647 ,  H04L29/06 ,  H04W28/02 ,  H04L29/08

Abstract: Systems and methods are used for receiving a video request from a user equipment for video to be downloaded; determining a link bandwidth status associated with the user equipment; in response to the link bandwidth status associated with the user equipment, determining whether to implement one or more additional processing functions associated with the video delivery; during the video delivery, repeating the determining such that the one or more additional processing functions associated with the video delivery can be implemented or not implemented at different times during the video delivery. These processing functions can include transrating, HTTP optimization, TCP optimization, and video pacing.

公开(公告)号：US20170085652A1

公开(公告)日：2017-03-23

申请号：US15365432

申请日：2016-11-30

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Wei-Jen Hsu ,  Biswaranjan Panda ,  Jayaraman Iyer ,  Bhaskar Bhupalam ,  Pranav Bhargava

IPC: H04L29/08 ,  H04L29/06

CPC classification number: H04L67/14 ,  H04L47/10 ,  H04L65/608 ,  H04L67/02 ,  H04L67/10 ,  H04L69/161 ,  H04N5/76 ,  H04N21/234345 ,  H04N21/64746 ,  H04N21/8358

Abstract: User equipments can download a video file by instantiating multiple video requests, each request specifying different parts of the video file. If each video request initiates a separate transmission control protocol (TCP) session, which is the case with an hypertext transfer protocol (HTTP) partial get request, then a network device in a communications network would be oblivious of contextual information, which indicates that the TCP sessions download different portions of the same video file. This disclosure provides systems and methods for correlating multiple TCP sessions so that a network device in a communications network can be aware of the contextual information.

公开(公告)号：US20150201042A1

公开(公告)日：2015-07-16

申请号：US14156124

申请日：2014-01-15

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Jigar Shah ,  Peter Zhu ,  Jayaraman Iyer ,  Bhaskar Bhupalam

IPC: H04L29/06 ,  H04L12/24

CPC classification number: H04L41/0893 ,  H04L65/4084 ,  H04L65/60 ,  H04L65/605 ,  H04L67/322

Abstract: A system includes a media optimizer that adaptively generates and transmits a modified manifest file based on an original manifest file corresponding to an associated media asset from a content provider in response to a media content request from a client for the associated media asset. The original manifest file specifies bitrates. The media optimizer extracts parameters associated with the media content request and applies bitrate policies based on the extracted parameters to adaptively modify the original manifest file to generate the modified manifest file. The media optimizer is further configured to transmit the modified manifest file to the client for selection by the client of a bitrate associated with delivery of the associated media asset.

Abstract translation: 系统包括媒体优化器，其响应于来自客户端的关联媒体资产的媒体内容请求，基于来自内容提供商的对应于相关联的媒体资产的原始清单文件自适应地生成和发送修改的清单文件。 原始清单文件指定比特率。 媒体优化器提取与媒体内容请求相关联的参数，并且基于所提取的参数应用比特率策略，以自适应地修改原始清单文件以生成修改的清单文件。 媒体优化器还被配置为将修改的清单文件发送到客户端以供客户选择与相关联的媒体资产的递送相关联的比特率。