![]() ![]() The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", This extension provides parameters to limit memory usage forĢ. LZ77 sliding window used to build frames for previous messages ![]() To align the end of compressedĭata to an octet boundary, this extension uses the algorithmĭescribed in Section 2.1 of. Various platforms, and its overhead is small. The DEFLATE algorithm is widely available on This document also specifies one specific PMCE based on the DEFLATE Message is compressed or not so that an endpoint can choose not toĬompress messages with incompressible contents. Use the RSV1 bit of the WebSocket frame header to indicate whether a A peer WebSocket server receiving the offer mayĬhoose to accept the preferred PMCE or decline all of them. (compress and decompress) data in the payload data portion.Ī WebSocket client may offer multiple PMCEs during the WebSocket Individual PMCE has to be specified in a document describing inĭetail how to negotiate the configuration parameters for the specificĬompression algorithm used by that PMCE and how to transform This framework only specifies a general method for applying aĬompression algorithm to the contents of WebSocket messages. TheĬlient and server can then exchange data messages whose framesĬontain compressed data in the payload data portion. PMCE and determine the parameters required to configure theĬompression algorithm during the WebSocket opening handshake. WebSocket client and a peer WebSocket server negotiate the use of a The WebSocket Protocol specified in Section 9 of. (PMCEs) for a compression algorithm based on the extension concept of Specifies how to define WebSocket Per-Message Compression Extensions This document specifies a framework for adding compressionįunctionality to the WebSocket Protocol. RFC 7692 Compression Extensions for WebSocket December 2015 1. Registration of the "Per-Message Compressed" Registration of the "permessage-deflate" WebSocketĮxtension Name. WebSocket Per-Message Compression Extension. Conformance Requirements and Terminology. The Trust Legal Provisions and are provided without warranty asġ. Include Simplified BSD License text as described in Section 4.e of ![]() Code Components extracted from this document must ![]() Please review these documentsĬarefully, as they describe your rights and restrictions with respect This document is subject to BCP 78 and the IETF Trust's Legal RFC 7692 Compression Extensions for WebSocket December 2015Ĭopyright (c) 2015 IETF Trust and the persons identified as the Information about the current status of this document, any errata,Īnd how to provide feedback on it may be obtained at Internet Standards is available in Section 2 of RFC 5741. Internet Engineering Steering Group (IESG). Received public review and has been approved for publication by the It represents the consensus of the IETF community. This document is a product of the Internet Engineering Task Force This is an Internet Standards Track document. Thisĭocument also specifies one specific compression extension using the Negotiation and the payload transformation algorithm in detail. In a document defining the extension by specifying the parameter Each compression algorithm has to be defined General method for applying a compression algorithm to the contents Of WebSocket data messages on a per-message basis using parameters AnĮxtension based on this framework compresses the payload data portion That add compression functionality to the WebSocket Protocol. This document defines a framework for creating WebSocket extensions Internet Engineering Task Force (IETF) T. ![]()
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