A connection is said to be Sticky when:
A.
A copy of each packet in the connection sticks in the connection table until a corresponding
reply packet is received from the other side.
B.
A connection is not terminated by either side by FIN or RST packet.
C.
All the connection packets are handled, in either direction, by a single cluster member.
D.
The connection information sticks in the connection table even after the connection has ended.
A connection is considered sticky when all of its packets are handled, in either direction, by a single cluster member.
https://sc1.checkpoint.com/documents/R76/CP_R76_ClusterXL_AdminGuide/7290.htm
{C}
C C C C C C
C. All the connection packets are handled, in either direction, by a single cluster member.