A clerk's TCP transfers on a city finance SSID remain inefficient after association. Captures show ADDBA Request/Response failing, so Block Ack never establishes. What is the performance implication?
Select an answer to reveal the explanation.
Short Explanation
ADDBA is the handshake that opens the Block Ack express lane for aggregates. When it fails, you're stuck mailing one postcard at a time—TCP feels that pain. Fix the BA agreement if you want aggregation back.
Full Explanation
ADDBA (Add Block Acknowledgment) negotiation establishes a Block Ack agreement that enables efficient A-MPDU aggregation and compressed acknowledgments. Failure leaves the link on less efficient per-MPDU ack patterns, increasing overhead and hurting TCP. Analysts correlating poor goodput with failed ADDBA should investigate capability mismatches, policy disables, or client/AP bugs blocking BA setup.