o Information field
contains the user's
data in an
I-Frame and Network
Management
information
in a U-Frame
o An S-Frame has no information field
o Its
length can vary
from one network
to another but
remains fixed within
each
network
o It is possible to send Control
information in the information field of the I-Frame along
with
data.
o This process is called Piggybacking
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