What does SACK stand for?
SACK stands for "Selective Acknowledgment"
How to abbreviate "Selective Acknowledgment"?
"Selective Acknowledgment" can be abbreviated as SACK
What is the meaning of SACK abbreviation?
The meaning of SACK abbreviation is "Selective Acknowledgment"
What does SACK mean?
SACK as abbreviation means "Selective Acknowledgment"