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| _ \ ___ | |_ (_) _ __ ___ __| | (_) __ _
| |_) | / _ \ | __| | | | '_ \ / _ \ / _| | | | / _ |
| _ < | __/ | |_ | | | |_) | | __/ | (_| | | | | (_| |
|_| \_\ \___| \__| |_| | .__/ \___| \__,_| |_| \__,_|
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Compression Control Protocol
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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Das Compression Control Protocol (CCP) ist ein Netzwerkprotokoll und wird verwendet, um innerhalb einer Point-to-Point Verbindung (PPP) die Datenkompression zwischen den Verbindungspartnern auszuhandeln. Die Spezifikation des CCP wurde mit RFC 1962 im Juni 1996 verΓΆffentlichtcite-ref-1[1] und ist ein IETF Standard. Teile wurden mit dem RFC 2153 im Mai 1997 ΓΌberarbeitet.cite-ref-2[2]
Contents
β’ Check Mode
β’ Weblinks
β’ Einzelnachweise
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
Datenkompressions-Algorithmus
Check Mode
Die Datenkompressionsverfahren verwenden Daten aus der Vergangenheit, welche mit in die Kompression einbezogen werden und in einem verschiebbaren Datenfenster gespeichert werden. Um die Synchronisation der Datenfenster zwischen den Verbindungspartnern zu erhalten, wird ein PrΓΌfungsverfahren (βHistory check modeβ) ausgehandelt. Dieser kann z. B. βsequentialβ oder βextendendβ lauten. Microsoft Windows verwendet den βextendedβ check mode.
GΓ€ngige CCP-Verfahren sind:
β’ None: Keine Kompression.
β’ STAC: CCP Option 17, Check mode: sequential.
β’ MS-STAC: CCP Option 17, Check mode: Extended.
β’ MPPC: CCP Option 18, Check mode: Extended.
Weblinks
Einzelnachweise