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この翻訳は不完全です。英語から この記事を翻訳 してください。


WebRTC (Web Real-Time Communications; Webリアルタイム通信の略語) API は、第一にオーディオとビデオ通信のサポートによって知られています。しかしながら、ピア・ツー・ピアのデータチャネルもあります。この記事ではこれの詳細を説明し、ゲーム内にデータチャネルを実装するライブラリの使用方法を示します。


A WebRTC data channel lets you send text or binary data over an active connection to a peer. In the context of a game, this lets players send data to each other, whether text chat or game status information. Data channels come in two flavors.

Reliable channels guarantee that messages you send arrive at the other peer and in the same order in which they're sent. This is analogous to a TCP socket.

Unreliable channels make no such guarantees; messages aren't guaranteed to arrive in any particular order and, in fact, aren't guaranteed to arrive at all. This is analogous to a UDP socket.

We have documentation for using WebRTC. This article, however, will take advantage of some libraries that can help trivialize the work, and will demonstrate ways to use abstraction to work around implementation differences between browsers. Hopefully, of course, those differences will fade away in time.

p2p ライブラリを使用する

One library you can use is the p2p library. This library provides a simple API for creating peer connections and setting up streams and data channels. There's also a broker server component and a hosted broker you can use instead of having to set one up for yourself.

Note: We will continue to add content here soon; there are some organizational issues to sort out.


We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support 23 webkit 22 moz 未サポート 12 ?
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support 未サポート 29 webkit 25 moz 未サポート ? ?




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