- The Source Quench
ICMP control message:
- An intermediate router will
transmits a
source quench
(type = 4)
ICMP control message to the
source node if:
- The intermediate router does not have enough buffer space to store the IP packet
Packet format:
- An intermediate router will
transmits a
source quench
(type = 4)
ICMP control message to the
source node if:
- The desired response:
- A ICMP source quench message should cause the sender to reduce the packet transmission rate
(But it is not guaranteed that the sender will "obey" the suggestion to slow down.... )