!!! Overview
[{$pagename}] is a computer [communications] [protocol], providing full-duplex [communication] channels over a single [TCP] [connection][{$pagename}] [protocol] was standardized by the [IETF] as [RFC 6455] in [2011|Year 2011], and the [WebSocket] [API] in [Web IDL] [Interface Description Language] [IDL] is being standardized by the [W3C].

[{$pagename}] [protocol] is designed to function as an intermediary in the [Client-server] [relationship] and is based largely upon TC with additional [HTTP] functionality baked in.

[{$pagename}] was designed from the ground up to support standardized communication with low overhead and optimized throughput. This is compounded through the utilization of standard web traffic ports, which means that it’s often useful in environments where non-traditional non-web-based communication systems are otherwise blocked or limited.

[{$pagename}] is supported by all major [browsers] natively – a big selling point for any [Web] [API].

!! More Information
There might be more information for this subject on one of the following:
[{ReferringPagesPlugin before='*' after='\n' }]
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* [#1] - [WebSocket|Wikipedia:WebSocket|target='_blank'] - based on information obtained 2019-07-03