Generic framing procedure ITU-T
G.7041
Unlike synchronous SONET/SDH, Ethernet has a bursty
traffic pattern. To compensate for its idle times and
bring it up to the required data rate, encapsulation
(or a wrapper) is needed to enable Ethernet traffic
to be transported over the SONET/SDH network. One of
the most flexible encapsulation
mechanisms is Generic Framing Procedure (GFP). This
paper examines the GFP framing structure and its flexibility
towards multi-service environments, demonstrating that
GFP has the potential of becoming the dominant encapsulation
technique in nextgeneration SONET/SDH networks.
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