How would you describe an attack where an attacker attempts to deliver the payload over multiple packets over long periods…?

How would you describe an attack where an attacker attempts to deliver the payload over multiple
packets over long periods of time with the purpose of defeating simple pattern matching in IDS
systems without session reconstruction? A characteristic of this attack would be a continuous
stream of small packets.

A.
Session Hijacking

B.
Session Stealing

C.
Session Splicing

D.
Session Fragmentation