Editing OSCAR protocol (section)

=== SNAC data ===
Within almost every packet sent over channel 2, packets contain a SNAC (Simple Network Atomic Communication).  There is always either one or zero of these contained in a packet, and therefore they do not contain (nor do they need to) a length.
{| class="wikitable"
! Offset ([[hexadecimal|hex]])
! Field
! Type/Size (in bytes)
! Remarks
|-
|00
|Foodgroup
|int16/2
|The general type of the packet
|-
|02
|Type
|int16/2
|The specific type of the packet
|-
|04
|Flags
|int16/2
|
|-
|06
|Request ID
|int32/4
|A request ID, this can be random but clients cannot send this with the Highest Order Bit set.
|}