About: SDCH

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SDCH (Shared Dictionary Compression for HTTP) is a data compression algorithm created by Google, based on VCDIFF (RFC 3284). SDCH achieves its effectiveness by using pre-negotiated dictionaries to "warm up" its internal state prior to encoding or decoding. These may either be already stored locally, or uploaded from a source and then cached. It was supported natively in Google Chrome, Chromium, and Android, as well as on Google websites. SDCH compression was removed from Google Chrome, and other Chromium products, in version 59 (2017-06-05).

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  • SDCH (Shared Dictionary Compression for HTTP) is a data compression algorithm created by Google, based on VCDIFF (RFC 3284). SDCH achieves its effectiveness by using pre-negotiated dictionaries to "warm up" its internal state prior to encoding or decoding. These may either be already stored locally, or uploaded from a source and then cached. It was supported natively in Google Chrome, Chromium, and Android, as well as on Google websites. SDCH compression was removed from Google Chrome, and other Chromium products, in version 59 (2017-06-05). (en)
  • SDCH（英語：Shared Dictionary Compression for HTTP）是Google基于（RFC 3284）创建的数据压缩算法。它已在最近版本的Google Chrome、Chromium和Android中支持，并被Google系列网站支持。 SDCH使用预先协商的字典“热身”其编码或解码前的内部状态以达成其效果。字典内容可以已在本地存储，或者已从某个源上载并缓存。 (zh)
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  • SDCH (Shared Dictionary Compression for HTTP) is a data compression algorithm created by Google, based on VCDIFF (RFC 3284). SDCH achieves its effectiveness by using pre-negotiated dictionaries to "warm up" its internal state prior to encoding or decoding. These may either be already stored locally, or uploaded from a source and then cached. It was supported natively in Google Chrome, Chromium, and Android, as well as on Google websites. SDCH compression was removed from Google Chrome, and other Chromium products, in version 59 (2017-06-05). (en)
  • SDCH（英語：Shared Dictionary Compression for HTTP）是Google基于（RFC 3284）创建的数据压缩算法。它已在最近版本的Google Chrome、Chromium和Android中支持，并被Google系列网站支持。 SDCH使用预先协商的字典“热身”其编码或解码前的内部状态以达成其效果。字典内容可以已在本地存储，或者已从某个源上载并缓存。 (zh)
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  • SDCH (en)
  • SDCH (zh)
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