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Wowza Streaming Engine : ウィキペディア英語版
Wowza Streaming Engine

Wowza Streaming Engine (known as ''Wowza Media Server'' prior to version 4) is unified streaming media server software developed by Wowza Media Systems. The server is used for streaming of live and on-demand video, audio, and rich Internet applications over IP networks to desktop, laptop, and tablet computers, mobile devices, IPTV set-top boxes, internet-connected TV sets, game consoles, and other network-connected devices. The server is a Java application deployable on most operating systems.
==History==

Version 1.0.x was released on February 19, 2007.〔(Press Release) http://www.wowzamedia.com/2007-02-19.html Wowza Media Server Pro 1.0〕 This version was originally offered as an alternative to the Adobe Flash Media Server, and supported streamed video, audio and RIA’s for the Flash Player client playback and interaction based on the Real Time Messaging Protocol (RTMP) using content encoded with Spark and VP6 codecs. The original product name was Wowza Media Server Pro.
Version 1.5.x was released on May 15, 2008〔(Press Release) http://www.wowzamedia.com/2008-05-15.html Wowza Media Server Pro 1.5〕 and added support for H.264 video and Advanced Audio Coding (AAC) audio, and ingest support for Real Time Streaming Protocol (RTSP), Real-time Transport Protocol (RTP), MPEG transport stream (MPEG-TS), and ICY (SHOUTcast/Icecast) sources for re-streaming to the Flash Player client.
Version 2.0.x was released on December 17, 2009.〔http://www.wowzamedia.com/2009-12-17.html Wowza Media Server 2.0 Press Release〕 The product name was changed to Wowza Media Server 2. This version added outbound H.264 streaming support for Apple HTTP Live Streaming protocol for iOS devices (iPad, iPhone, etc.), Microsoft HTTP Smooth Streaming for Silverlight player, RTSP/RTP for QuickTime Player and 3GPP mobile devices based on Android, BlackBerry (RIM), Symbian (Symbian Foundation), Palm webOS (now owned by HP), and other platforms, and TV set-top boxes and video game consoles.
Version 3.0.x was released on October 7, 2011. This version added network DVR, Live transcoding, and DRM plug-in functionality.
Version 3.5 was released on November 7, 2012. This version added Closed Captioning and a Silverlight Multicast Player. Live Stream Record and Media Security, previously additional features external to the software, were incorporated into the server software. Media Security DRM plugins with Verimetrix VCAS, Microsoft PlayReady, BuyDRM KeyOS, EZDRM Hosted DRM, AuthenTec DRM Fusion. Wowza also released Wowza StreamLock free AddOn which provides 256-bit SSL for RTMPS and HTTPS. The release included enhancements to Wowza Transcoder AddOn; transcoder overlays that can be used for advertising, tilting, watermarks and tickers. Other new features include B-frame support, Dolby Digital Plus (EAC3) pass-through for HLS, MPEG-DASH, HTTP Origin.
Version 3.6 was released June 10, 2013. Wowza Media Server 3.6 added basic support for Dynamic Adaptive Streaming over HTTP (DASH). Expanded support for closed captioning formats for live and video on-demand streams. Allows mobile encoding with GoCoder app for iOS and Android.
Version 4.0 was released February 11, 2014. The product name was changed to Wowza Streaming Engine. This release includes a new web-based graphical interface which interacts with the server via a REST API and provides monitoring and configuration functions. This release also brings full support for MPEG-DASH and support for additional for captioning formats. Previously available separately, the MediaCache and Push Publishing add-on modules are now included in the server.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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