GFP meaning in Networking ?

Answer: What is Generic Framing Procedure mean?

Generic Framing Procedure (GFP) is a multiplexing technique defined by ITU-T G.7041. This allows mapping of variable length, higher-layer client signals over a circuit switched transport network like OTN, SDH/SONET or PDH. The client signals can be protocol data unit (PDU) oriented (like IP/PPP or Ethernet Media Access Control) or can be block-code oriented (like Fibre Channel).

There are two modes of GFP: Generic Framing Procedure - Framed (GFP-F) and Generic Framing Procedure - Transparent (GFP-T):

GFP-F maps each client frame into a single GFP frame. GFP-F is used where the client signal is framed or packetized by the client protocol.GFP-T, on the other hand, allows mapping of multiple 8B/10B block-coded client data streams into an efficient 64B/65B block code for transport within a GFP frame.

GFP utilizes a length/HEC-based frame delineation mechanism that is more robust than that used by High-Level Data Link Control (HDLC), which is single octet flag based.

There are two types of GFP frames: a GFP client frame and a GFP control frame. A GFP client frame can be further classified as either a client data frame or a client management frame. The former is used to transport client data, while the latter is used to transport point-to-point management information like loss of signal, etc. Client management frames can be differentiated from the client data frames based on the payload type indicator. The GFP control frame currently consists only of a core header field with no payload area. This frame is used to compensate for the gaps between the client signal where the transport medium has a higher capacity than the client signal, and is better known as an idle frame.

reference

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Groupe Français d'Études et d'Applications des Polymères	Academic & Science
French Group for Polymer Studies and Applications	Academic & Science
Green Forum Philippines	Community
Global Functional Plan	Computing
Generic Frame Protocol	Computing
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Global Facilitation Partnership	General
Grail Foundation Press	General
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Global Field Power	General
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Group on Faculty Practice	General
Global Field Program	General
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Global Flood Partnership	General
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Gerstles Female Panacea	General
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Green Fluorescent Protein	Medical
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Government Furnished Program (or Property)	Military and Defence
Generic Framing Procedure	Networking
Government Furnished Property	Space Science