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Header Fields Defined
| Header Type |
Size
(in bits) |
Description |
| Generic Flow Control |
4
|
Allows a mux to control the rate of an ATM terminal |
| Virtual Path Identifier |
8
|
Used to specify the route and destination of ATM cells. More information available on next page. |
| Virtual Channel Identifier |
16
|
Many channels operate in the path for carrying different types of data. More information available on next page. |
| Payload Type |
3
|
Indicates whether a cell contains user data, signaling data or maintenance data |
| Call Loss Priority |
1
|
Indicates relative priority of the cell |
| Header Error Check (HEC) |
8
|
Used to determine if data integrity remained in tact during transmission |
