User Manual

US. Patent May 28, 1996 Sheet 7 of 11 5,521,591
( TART >
EXAMINE EDGE 62
OF SPECIFIED /
COLOR
PACKET AT
THE SWITCH TN
DIRECTION
EDOGE
V
NO DO NOT
MOVEPACKET ( STOP )
ALONG EDGE
)
74
PACKET
AT SWITCH
AT HEAD TN
LATER
THERE A
PACKET AT
SWITCH AT HEAD YES
YES SWAP '
PACKETS
OF EDGE
? wA?vE \72
TO
MOVE PACKET 68
ALONG EDGE /
FIG. l3
{ STOP )