參數(shù)資料
型號: LSIFC909
英文描述: LSIFC909 Fibre Channel I/O Processor technical manual v2.1 8/00
中文描述: LSIFC909光纖通道I / O處理器技術(shù)手冊2.1 8 / 00
文件頁數(shù): 24/144頁
文件大?。?/td> 1496K
代理商: LSIFC909
2-4
Fibre Channel Overview
A Data frame (
Figure 2.3
) is any frame which contains data in the
payload field. An example of a Data frame is the LOGIN frame.
Figure 2.3
Data Frame
In FC, an ordered set is a group of four 10-bit characters that provide low
level link functions, such as frame demarcation and signaling between
two ends of a link. All frames start with a Start-of-Frame (SOF) and end
with an End-of-Frame (EOF) ordered set. Each frame contains at least a
24-byte header defining such things as destination and source ID, class
of service and type of frame (e.g., FCP or FC-LE). The biggest field
within a frame can be the payload field. If the frame is a Link Control
frame, then there is no payload. If it is a Data frame, then the frame
contains a payload field of up to 2112 bytes. Finally, the frame includes
a Cyclic Redundancy Check (CRC) field used for detection of
transmission errors, followed by the EOF ordered set.
Start
of
Frame
(4)
Frame
Header
(24)
CRC
(4)
End
of
Frame
(4)
( ) = Number of Bytes
Data Field
(Optional Headers and
Payload)
(0 to 2112)
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