OTT和IPTV之间的区别

1.上方(OTT)：
Over the Top(OTT)通过公共访问Internet连接进行视频流传输。这就是为什么它也被称为Over the Top。在OTT中，内容是通过开放的互联网，非托管网络来传递的。因此，它遵循一个开放的生态系统。在这种情况下，内容通过Internet传输，而不是通过卫星或电缆传输。通常，其内容类型主要不是高级的。可以在任何设备数据或Wi-Fi上查看它，并且不需要专用的基于宽带的连接即可使用该服务。

OTT的优点：

• 低成本
• 各种编程
• 最少的安装

OTT的缺点：

• 流式传输取决于互联网质量
• 无法访问电缆仅显示

2.互联网协议电视(IPTV)：
Internet协议电视(IPTV)基于Internet协议(IP)将视频和音频内容传递给连接到网络的计算机。在IPTV中，内容是通过专用的托管网络传递的。因此，它遵循了围墙花园生态系统。在此IPTV中，内容通过Internet传输到专用的机顶盒。它要求将设备连接到专用的基于宽带的连接以使用服务，并被视为主要要求。

IPTV的优点：

• 高质量视频，中断更少
• 不需要特殊安装，只需安装盒
• 按需查看并显示放映日期

IPTV的缺点：

• 作为基于订阅的软件包出售
• 互联网速度会影响流媒体的质量

OTT和IPTV之间的区别：

S.No.	OTT	IPTV
01.	OTT (Over the Top) does the video streaming over publicly accessible Internet connection. That’s why it is also called as Over the Top.	IPTV (Internet Protocol TV) delivers video and audio content to the computers attached to the network based on the Internet protocol (IP).
02.	In OTT content is delivered through open internet, unmanaged network. So it follows a open ecosystem.	In IPTV content is delivered through dedicated, managed network. So it follows a walled garden ecosystem.
03.	In OTT the content transmits over the internet instead of satellite or cable.	While in IPTV the content transmits over the internet to a dedicated set-up-box.
04.	It does not allow for playing the content whenever required such as live-streaming sports.	It plays like regular TV only streamed over the internet rather than traditional satellite or cable.
05.	Its content type is not primarily premium.	Its content type is primarily premium.
06.	It can be viewed on any device data or Wi-Fi and also it does not require a dedicated broadband based connectivity for availing the service.	While it requires a device to be connected to a dedicated broadband based connection to avail the service and considered as a primary requirement.
07.	The major platform players are Online Video Platforms like Kaltura and Brightcove, CDN Players like L3 and Limelight and specific cloud service providers like Amazon.	The major platform players are Telecom Service Providers and special IPTV platform vendors like Microsoft Mediaroom ( now Ericsson), Cisco, ALU.
08.	It uses Unicast (HTTP), Simulated Multicast (UDP/TCP) routing topology.	It uses Multicast. But Initial unicast burst and during channel change leading to Multicast join.
09.	Popular Video on Demand services like YouTube, Netflix, Sky Go, BBC iPlayer etc.	IPTV services like U-Verse (AT&T), Prism TV (CenturyLink) etc.
10.	Its service reach or scope is global.	Its service reach or scope is local.