Page-1 Rounded rectangle Categorize into an existed “flow” Categorize into an existed flow Rounded rectangle.2 Search for a “neighbor” Search for a “neighbor Rounded rectangle.3 Insert a new “flow” and store the packet Insert a new flow” and store the packet Rounded rectangle.4 Store the packet Store the packet Rounded rectangle.5 Merge the packet Merge the packet Dynamic connector Dynamic connector.7 Dynamic connector.8 Dynamic connector.9 Dynamic connector.10 Sheet.11 packet packet Sheet.14 find a “flow” find a “flow” Sheet.15 find a “neighbor” find a “neighbor” Sheet.13 not find not find Sheet.12 not find not find