CA2460421A1 - High speed serial data transport between communications hardware modules - Google Patents

High speed serial data transport between communications hardware modules Download PDF

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Publication number
CA2460421A1
CA2460421A1 CA002460421A CA2460421A CA2460421A1 CA 2460421 A1 CA2460421 A1 CA 2460421A1 CA 002460421 A CA002460421 A CA 002460421A CA 2460421 A CA2460421 A CA 2460421A CA 2460421 A1 CA2460421 A1 CA 2460421A1
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CA
Canada
Prior art keywords
boards
backplane
packets
data
multiplexers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002460421A
Other languages
French (fr)
Other versions
CA2460421C (en
Inventor
Vicky B. Kaku
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Google Technology Holdings LLC
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Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2460421A1 publication Critical patent/CA2460421A1/en
Application granted granted Critical
Publication of CA2460421C publication Critical patent/CA2460421C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • G06F13/4063—Device-to-bus coupling
    • G06F13/409—Mechanical coupling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/28—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/23608—Remultiplexing multiplex streams, e.g. involving modifying time stamps or remapping the packet identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/2365—Multiplexing of several video streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/643—Communication protocols
    • H04N21/64322—IP

Abstract

Transcoder multiplexers that transport digital packets, such as MPEG2 packets, between boards in a chassis using a serial differential protocol are disclosed. The disclosed multiplexers achieve data transfer rates at least twice as fast as conventional systems. Digital data packets are thereby efficiently communicated to target processing engines on other boards across the backplane. Prior art requirements for custom backplane designs, together with discrete hardware for sending data in parallel form between boards, are obviated. Instead, a backplane architecture designed specifically for IP data traffic from any slot to any slot is utilized. Also, an improved protocol is applied for transmitting data serially between boards to provide an inexpensive, upgradeable and flexible hardware solution. Preferred embodiments use LVDS transmitter/receiver pairs with high link speeds.
CA002460421A 2001-09-13 2002-09-11 High speed serial data transport between communications hardware modules Expired - Fee Related CA2460421C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US32206301P 2001-09-13 2001-09-13
US60/322,063 2001-09-13
US10/124,610 US7408961B2 (en) 2001-09-13 2002-04-16 High speed serial data transport between communications hardware modules
US10/124,610 2002-04-16
PCT/US2002/028941 WO2003023626A1 (en) 2001-09-13 2002-09-11 High speed serial data transport between communications hardware modules

Publications (2)

Publication Number Publication Date
CA2460421A1 true CA2460421A1 (en) 2003-03-20
CA2460421C CA2460421C (en) 2009-09-08

Family

ID=26822766

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002460421A Expired - Fee Related CA2460421C (en) 2001-09-13 2002-09-11 High speed serial data transport between communications hardware modules

Country Status (7)

Country Link
US (1) US7408961B2 (en)
EP (1) EP1428132A1 (en)
KR (1) KR20040063118A (en)
CN (1) CN1555529A (en)
CA (1) CA2460421C (en)
MX (1) MXPA04002432A (en)
WO (1) WO2003023626A1 (en)

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Also Published As

Publication number Publication date
CA2460421C (en) 2009-09-08
WO2003023626A1 (en) 2003-03-20
CN1555529A (en) 2004-12-15
MXPA04002432A (en) 2004-07-23
US20030056049A1 (en) 2003-03-20
EP1428132A1 (en) 2004-06-16
US7408961B2 (en) 2008-08-05
KR20040063118A (en) 2004-07-12

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Effective date: 20190911