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公开(公告)号：US20210075729A1
公开(公告)日：2021-03-11
申请号：US16693180
申请日：2019-11-22
Applicant: NETFLIX, INC.
Inventor： Sergey FEDOROV , Phelps Watson WILLIAMS , Niosha BEHNAM
IPC: H04L12/803 , H04L12/851 , H04L29/08 , H04N21/239
Abstract: In various embodiments, domain name system (DNS) servers are implemented on a content distribution network (CDN) infrastructure in order to facilitate centralized control of traffic steering. Each server appliance in the CDN infrastructure acts as both an authoritative DNS nameserver and a dynamic request proxy, and each such server appliance is assigned to one of multiple cloud computing system regions. The assignment of server appliances to cloud regions is based on latency measurements collected via client application probes and an optimization that minimizes an overall latency experienced by the client applications subject to constraints that the maximum traffic to each cloud region is less than a capacity constraint for that region, the maximum deviation of traffic to each cloud regions at any point in time is less than a given percentage, and the maximum deviation of traffic between direct and indirect paths is less than a given percentage.
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公开(公告)号：US10942734B2
公开(公告)日：2021-03-09
申请号：US16693187
申请日：2019-11-22
Applicant: NETFLIX, INC.
Inventor： Jonathan Schneider , Daniel Thomas , Robert Spieldenner , Michael McGarr
Abstract: In one embodiment of the present invention, a shading engine enables multiple versions of dependencies to coexist in an executable software application. During the software build process, the shading engine dynamically renames transitive dependencies of the software application to disambiguated names. The shading engine performs this renaming at both the library and class level. Notably, the shading engine does not rename the first-order dependencies of the software application. Consequently, the code of the software application and interfaces between the software application and the first-order library dependencies of the software application are not modified. Notably, the shading engine efficiently and accurately shades the transitive dependencies without manual intervention. By contrast, primarily manually-based conventional approaches to dependency management are time consuming and susceptible to errors.
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公开(公告)号：US10917644B2
公开(公告)日：2021-02-09
申请号：US15902976
申请日：2018-02-22
Applicant: NETFLIX, INC.
Inventor： Ioannis Katsavounidis
IPC: H04N19/147 , H04N19/172 , H04N19/192 , H04N19/124 , H04N21/2343 , H04N21/238 , H04N19/179 , H04N21/845 , H04N21/234 , H04L29/06 , H04N19/177 , G11B20/00 , G11B27/30 , G11B27/34 , H04N19/196 , H04N19/59 , H04N19/126 , H04N19/15 , H04N19/40
Abstract: In various embodiments, an iterative encoding application encodes a source video sequence. The encoding optimization application generates a set of shot encode points based on a set of encoding points and a first shot sequence included in the source video sequence. Each shot encode point is associated with a different encoded shot sequence. The encoding optimization application performs convex hull operation(s) across the set of shot encode points to generate a first convex hull associated with the first shot sequence. Subsequently, the encoding optimization application generates encoded video sequences based on the first convex hull and a second convex hull associated with a second shot sequence included in the source video sequence. The encoding optimization application computes a new encoding point based on the encoded video sequences and a target value for a first video metric and then generates an optimized encoded video sequence based on the new encoding point.
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公开(公告)号：US10915455B2
公开(公告)日：2021-02-09
申请号：US16561668
申请日：2019-09-05
Applicant: Netflix, Inc.
Inventor： Deva Jayaraman , Shashi Madappa , Sridhar Enugula , Ioannis Papapanagiotou
IPC: G06F12/0895 , G06F12/0891 , G06F3/06 , G06F9/38 , G06F12/0837
Abstract: The disclosed computer-implemented method includes receiving an indication that cache data is to be copied from an originating cluster having a specified number of replica nodes to a destination cluster having an arbitrary number of replica nodes. The method further includes copying the cache data to a cache dump and creating a log that identifies where the cache data is stored in the cache dump. The method further includes copying the cache data from the cache dump to the replica nodes of the destination cluster. The copying includes writing the copied data in a distributed manner, such that at least a portion of the copied data is distributed over each of the replica nodes in the destination cluster. Various other methods, systems, and computer-readable media are also disclosed.
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公开(公告)号：US10862942B2
公开(公告)日：2020-12-08
申请号：US16036606
申请日：2018-07-16
Applicant: NETFLIX, INC.
Inventor： Te-Yuan Huang , Chaitanya Ekanadham , Andrew J. Berglund , Zhi Li
Abstract: In various embodiments, a hindsight application computes a total download size for a sequence of encoded chunks associated with a media title for evaluation of at least one aspect of a video streaming service. The hindsight application computes a feasible download end time associated with a source chunk of the media title based on a network throughput trace and a subsequent feasible download end time associated with a subsequent source chunk of the media title. The hindsight application then selects an encoded chunk associated with the source chunk based on the network throughput trace, the feasible download end time, and a preceding download end time associated with a preceding source chunk of the media title. Subsequently, the hindsight application computes the total download size based on the number of encoded bits included in the first encoded chunk. The total download size correlates to an upper bound on visual quality.
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Patent Agency Ranking
86.发明授权公开(公告)号：US10798017B2
公开(公告)日：2020-10-06
申请号：US15437407
申请日：2017-02-20
Applicant: NETFLIX, INC.
Inventor： Ariel Tseitlin , Praveen Sadhu
Abstract: Techniques are disclosed for reclaiming resources within a distributed computing system. A reclamation application searches the distributed computing architecture for unused resources, classifies the unused resources, and determines an expiration period based on the classification. The reclamation application determines a candidate owner of the resource based on one or more characteristics of the resource. The reclamation application then notifies the candidate owner that the resource is to be reclaimed unless claimed by the candidate owner within the expiration period. If the candidate owner claims the resource within the expiration period, then the reclamation application terminates the reclamation of the resource. If the candidate owner does not claim the resource within the expiration period, then the reclamation application reclaims the resource after the duration of the expiration period. Advantageously, this approach to reclaiming resources results in more efficient utilization of resources, lower operation and maintenance costs, and improved system security.
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公开(公告)号：US10778581B2
公开(公告)日：2020-09-15
申请号：US16209896
申请日：2018-12-04
Applicant: NETFLIX, INC.
Inventor： David Bannister
IPC: H04L12/741 , H04L12/753 , H04L12/715 , H04L12/743 , H04L12/733
Abstract: One embodiment of the present invention sets forth a technique for compressing a forwarding table. The technique includes selecting, from a listing of network prefixes, a plurality of network prefixes that are within a range of a subnet. The technique further includes sorting the plurality of network prefixes to generate one or more subgroups of network prefixes and selecting a first subgroup of network prefixes included in the one or more subgroups of network prefixes. The technique further includes generating a synthetic supernet based on the first subgroup of network prefixes.
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公开(公告)号：US10754830B2
公开(公告)日：2020-08-25
申请号：US14454632
申请日：2014-08-07
Applicant: NETFLIX, INC.
Inventor： Airan Landau , Sudhir Tonse
IPC: G06F16/21 , G06F16/951
Abstract: Techniques for activity information schema discovery, schema change detection, and notification. In one embodiment, for example, a computer-implemented method for activity information schema discovery and schema change detection and notification comprises: analyzing a first set of related activity messages obtained during a first sample period; determining first schema counters for uniquely named properties identified in the first set of messages based on the analyzing of the first set of activity messages; after the first sample period, inferring a first schema from the first schema counters; analyzing a second set of related activity messages obtained during a second sample period; determining second schema counters for uniquely named properties identified in the second set of messages based on the analyzing of the second set of activity messages; after the second sample period, inferring a second schema from the second schema counters; comparing the first schema and the second schema for any differences.
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公开(公告)号：US10750146B2
公开(公告)日：2020-08-18
申请号：US16133629
申请日：2018-09-17
Applicant: NETFLIX, INC.
Inventor： Andrey Norkin
IPC: H04N9/64 , H04N19/132 , H04N19/85 , H04N9/68 , H04N9/77 , H04N19/186 , H04N19/10 , H04N19/86
Abstract: One embodiment of the present invention sets forth a technique for correcting color values. The technique includes downsampling first color space values to generate downsampled color space values and upsampling the downsampled color space values to generate second color space values. The technique further includes modifying at least one component value included in the downsampled color space values based on a first component value included in the first color space values, a second component value included in the second color space values, and an approximation of a nonlinear transfer function.
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公开(公告)号：USD892851S1
公开(公告)日：2020-08-11
申请号：US29666710
申请日：2018-10-15
Applicant: NETFLIX, INC.
Designer： Derek Collins , Ben Johnson , Glen Davis , Alex Ivlev , John Fox , Juliano Godinho Varaschin de Moraes , Aditya Gorthi , Andy Law , Michaela Tedore
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