VBrick Systems Maximize Streaming Efficiency with VBrick's Push and Pull Options
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Introduction

Push Reflecting from a Windows Media Server

The VBrick WM Appliance can push its Windows Media stream to a Microsoft Windows Media Server or to a RealNetworks Helix Server which can then reflect the stream to players or other servers using any of the protocols supported by the server.

TTo reflect a pushed stream through a Windows Media or Helix server:

Create a broadcast publishing point on the Windows Media or Helix Server and configure it for a "Push" source. In the WM Appliance Configuration: Encoder > Push options configure the VBrick to push the stream to the publishing point on the server or to a copy of the publishing point on the server. When the appliance push is active, the server makes the stream available to players or other servers via unicast and/or multicast, based on the configured publishing point options on the server. The Push feature is useful in cases where it is advantageous to have the VBrick send to the server instead of having the server request from the VBrick (for example when the encoder is behind a firewall and the server is not). For more information, see Creating Publishing Points on page 48.

Pull Reflecting

For pull reflecting, the reflector is simply configured to act as a client that pulls the stream from the source. A VBrick Reflector—either in the dedicated reflector model (9190-0200-

xxxx)or in the encoder/reflector model (9190-4200)—can pull from a VBrick Encoder, a Microsoft Encoder, or it can pull live or stored content from a Microsoft Server.

Table 3. Typical Pull Reflecting URLs

Pull Reflector Type

URL

 

 

VBrick Reflector pull URL for pulling an

http://vbrick_ipaddress:8080/vbrickvideo1

HTTP stream from another VBrick:

 

 

 

Pull from an .asx file served from a

http://ipaddress/vbs1http.asx

VBrick or any HTTP server:

 

 

 

Pull from a Microsoft Encoder:

http://microsoft_encoder_Ipaddress:port

 

 

Pull from a broadcast publishing point on

http://microsoft_server_Ipaddress/LiveStream

a Microsoft Server:

 

 

 

Pull from an on-demand publishing point

http://microsoft_server_Ipaddress/videofolder/

on a Microsoft Server:

storedvideo.wmv

 

 

 

Pull from a dynamically-generated or

http://myserver.com/findURL.dll?myplaylist

load-distributed publishing point that

 

redirects the client to an .asx file or a WM

 

HTTP stream:

 

 

 

TTo reflect a pulled stream through a Windows Media or Helix server:

Create a broadcast publishing point on the Windows Media or Helix Server and use the

VBrick HTTP URL (i.e. http://172.22.113.9:8080/vbrickvideo1) as the source of the

publishing point. The server requests the stream from the VBrick via HTTP and makes the stream available to players or other servers via unicast and/or multicast based on the configured publishing point options on the server. For more information, see Creating Publishing Points.

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Contents VB4000-5000-6000 Series Network Video Appliances Copyright Contents Status SDI ConfigurationMaintenance DiagnosticsMaintenance Mode WM TemplatesIndex Stream PrioritizationOrganization WM Admin GuideGetting the Best Video Getting HelpPrinter-Friendly Font ConventionsPreface Topics in this chapter OverviewSystem Requirements for Windows Media Player Standard Feature Encoder Reflector Standard FeaturesTypical VBrick Applications Http TCPVBricks Streaming Ecosystem Application DescriptionUnicasting MulticastingReflecting VBrick ReflectingPush Reflecting Reflecting from VBrick AppliancesPull Reflector Type Pull ReflectingPush Reflecting from a Windows Media Server Other Considerations Using Multiple Bit Rate StreamsMBR Output Streams Output Description Configurable Input/Output Stream Rates WM Output StreamsHTTP/RTSP MBR Output SettingsShared Video Settings Independent Video Settings MBR Groups Shared Audio Settings Independent Audio SettingsMBR Troubleshooting Using On Demand Playback Mixed Model Appliances Optimizing System PerformanceArchiver/Recorder Functionality Archiver and Recorder FunctionalityVBrick Systems, Inc WM Configuration Configuration Network Ethernet Configuration NetworkNumbers or hyphens Domain Name ServerNetwork Time Synchronization Configuration Network RoutingWM Configuration Configuration Network Management Configuration Encoder Template Configuration EncoderTemplate Name Description LANConfiguration Encoder Video Svid Windows Media Encoder Video -- Slot1VBrick Systems, Inc Reduces the saturation Settings to allow this Tools Options Security Run Script Video Rate1 Video Rate2 Video Rate3 Video Template Settings -- Slot1 Video Rate1Video Rate1 Video Rate2 Video Rate3 WM Configuration Configuration Encoder Audio Audio Template Settings Stereo Mono Bit Rate and Sample FrequencyConfiguration Encoder Multicast Windows Media Encoder Multicast -- Slot1 NSC File Information -- Slot1 Multicast PlaybackConfiguration Encoder Announce SAP Windows Media Announce Common Information -- Slot1 Bit mask. This string is simply another keyword you can use Announce Program Guide SAP for Multicast -- Slot1 Configuration Encoder ServerHttp Windows Media Encoder Server -- Slot1Rtspu URL RtspuHttp URL Rtsp UDP Unicast PlaybackAnnounce Http and Rtspu Server Rtsp URL Http SAPRtspu SAP Announce External Server -- Slot1 ASX RolloverCreating Publishing Points on Windows Media Servers Creating Publishing PointsCreating Publishing Points on Helix Universal Servers Creating Non-Authenticated Push Publishing PointsCreating Pull Publishing Points Configuration Encoder ArchiverWM Configuration Firmware Windows Media Archiver -- Slot1WM Configuration Progressive Download FTP Server EnableHttp Push Slot1 Configuration Encoder PushVBrick Systems, Inc Configuration Reflector Push Receiver Configuration Reflector SourcePull Receiver Microsoft Server on-demand ASXPulling VOD Files from a Microsoft WM Server Pulling MBR StreamsConfiguration Reflector Announce SAP Configuration Reflector MulticastConfiguration Reflector Server Configuration Reflector Archiver Configuration Reflector Push Configuration Jpeg Jpeg Configuration Jpeg Capture Constraints Jpeg FTP ConfigurationModel Jpeg Configuration Max Clients † Configuration FTP File TransferConfiguration FTP File Transfer Servers FTP Server FTP Status Configuration FTP File Transfer TransfersFTP Queue Operation Configuration PassthroughHard Drive Status Passthrough State Responder Configuration Passthrough COM1Passthrough State Initiator WM Configuration Configuration Passthrough COM2 Configuration SystemConfiguration System General SystemFront Panel LCD Display Configuration System Snmp TrapsProgram Files\VBrick\VB6000\Download\ReleaseVxxxxxx Number Event Description Configuration System Security Improving Security Page Run Scripts Using IWS Configuration Script ManagementConfiguration Script Management Event Triggering VBrick Systems, Inc Sample Script Run Scripts Using the IR Remote ControlRun Scripts Using Event Triggers Scripting Notes Configuration Script Management Auto ConfigurationURL VBrick Systems, Inc Introduction SDI ConfigurationConfiguration Encoder Video Configuration Encoder Audio Audio Limitations with SDI Video Input and SDI Audio Input SDI LimitationsVideo Limitations with SDI Video Input VBrick Systems, Inc Status System Information StatusStatus Network Status Codec Status Network StatusGeneral InterfaceStatus Network Status Routing Status Network Status Network Time Status Encoder StatusPLX Eeprom VideoClose Captioning AudioStatus Reflector Status General Status Reflector StatusMulticast Push ReceiveStatus Jpeg Status VBrick WM Appliance Admin Guide 101 Status Hard Drive General Status Hard Drive Archiver Status Hard DriveVBrick WM Appliance Admin Guide 103 Status Server Status General Status Server StatusStatus Server Status Encoder Details HTTP/RTSP ServerStatus Server Status Reflector Details Status Push StatusHttp Push Status Status FTP Server Status Status System Log Status System Log ConfigStatus System Log System Event Status System Log System Info Status System Log TrapsStatus User Information Main Board Status User InformationStatus User Information Slot1 112 Diagnostics Network Tests Ping Test Diagnostics Network TestsPDU Diagnostics Network Tests Trace Route TestTrace Route Test Results Diagnostics Device TestWhen done, reset Configured Operational Mode to Run Diagnostics Hard Drive 118 Maintenance Device Information MaintenanceMaintenance Read/Write Read From Device Maintenance Default All ConfigurationMaintenance Read/Write Configuration Read Configuration Data from Device Sample VBrick Configuration File Maintenance Read/Write Write To DeviceWrite Configuration Data to Device Maintenance Usernames & Passwords124 User Level Default User Name Default Password Authority Maintenance Usernames & Passwords Change SNMPv3 Passwords126 Maintenance Mode Maintenance Mode Limitations Maintenance Mode FeaturesMaintenance Mode Indicators Command Description Entry Maintenance Mode CLI OperationSubnet mask associated with WM Templates CBR/CFR Video Encoder Parameter SettingBest Quality Cable/DSL-300K, High Motion Audio Encoder Parameter SettingCable/DSL-128K, Low Motion Cable/DSL-300K, Low MotionCable/DSL-128K, High Motion Security & Surveillance Modem 56KAudio Channels Mono L +R Bit Rate 8000 Sample Frequency KHz Stream Prioritization Stream PrioritizationBitrate Constrained Non Bitrate ConstrainedExample 1 Priority List Example 2 Redundant ListFor Group Serving How the WM Appliance Creates Priority ListsFor Archiving, and Pushing to or Pulling from a WM Server Example 4 Sliding Window BehaviorSafe Group Configurations Configuring GroupsIndex Initiator Device Test Network Tests 144
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