- 10-bit address (1024 Unique in System)
- Addresses are assigned in software (Ethernet: Hardware Addresses)
- Can be location-based (e.g. first five MSBs correspond to x, last five correspond to y)

if hop count > max:
    kill packet

increment hop count

if packet is standard:
    if LUT does not already have source address:
        add entry to LUT
    if I am destination:
        process data in packet
    else:
        if LUT has destination address:
            send packet to port which minimizes C(hops, buffer) = hops + \lambda*buffer over all ports
        else:
            send packet to all ports as standard flood

elseif packet is ack:
    if LUT does not already have source address:
        add entry to LUT
    if I am destination:
        process acknowledgement, increment window
    else:
        increment hop count
        if LUT has destination address:
            send packet to port which minimizes C(hops, buffer) = hops + \lambda*buffer over all ports
        else:
            send packet to all ports as ack flood

elseif packet is standard flood:
    if LUT does not already have source address:
        add entry to LUT
    if I am destination:
        process data in packet
        open window for duplicate packet elimination
        check previous duplicates
    else:
        if LUT has destination address:
            send packet to port which minimizes C(hops, buffer) = hops + \lambda*buffer over all ports
        else:
            send packet to all ports

elseif packet is ack flood
    if LUT does not already have source address:
        add entry to LUT
    if I am destination:
        process acknowledgement, increment window
        open timer for duplicate ack elimination
        check previous duplicates
    else:
        if LUT has destination address:
            send packet to port which minimizes C(hops, buffer) = hops + \lambda*buffer over all ports
        else:
            send packet to all ports

else:
    write buffer depth to LUT