Invention Grant
- Patent Title: Low latency cacheable media streaming
- Patent Title (中): 低延迟可缓存的媒体流
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Application No.: US12611133Application Date: 2009-11-03
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Publication No.: US09237387B2Publication Date: 2016-01-12
- Inventor: John A. Bocharov , Krishna Prakash Duggaraju , Lin Liu , Jack E. Freelander , Ning Lin , Anirban Roy
- Applicant: John A. Bocharov , Krishna Prakash Duggaraju , Lin Liu , Jack E. Freelander , Ning Lin , Anirban Roy
- Applicant Address: US WA Redmond
- Assignee: Microsoft Technology Licensing, LLC
- Current Assignee: Microsoft Technology Licensing, LLC
- Current Assignee Address: US WA Redmond
- Agent Ben Tabor; Kate Drakos; Micky Minhas
- Main IPC: H04N21/472
- IPC: H04N21/472 ; H04N21/845 ; H04N21/433 ; H04N21/434 ; H04L29/06 ; H04L29/08

Abstract:
A low latency streaming system provides a stateless protocol between a client and server with reduced latency. The server embeds incremental information in media fragments that eliminates the usage of a typical control channel. In addition, the server provides uniform media fragment responses to media fragment requests, thereby allowing existing Internet cache infrastructure to cache streaming media data. Each fragment has a distinguished Uniform Resource Locator (URL) that allows the fragment to be identified and cached by both Internet cache servers and the client's browser cache. The system reduces latency using various techniques, such as sending fragments that contain less than a full group of pictures (GOP), encoding media without dependencies on subsequent frames, and by allowing clients to request subsequent frames with only information about previous frames.
Public/Granted literature
- US20110080940A1 LOW LATENCY CACHEABLE MEDIA STREAMING Public/Granted day:2011-04-07
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