Head-of-line blocking
lastmod 2024-05-20created 2021-11-172 edits
Head-of-line blocking (HOL blocking) in computer networking is a performance-limiting phenomenon that occurs when a line of packets is held up by the first packet. Examples include input buffered network switches, out-of-order delivery and multiple requests in HTTP pipelining.
HOL blocking (Head-of-Line Blocking) in computer networking is a performance-limiting phenomenon that occurs when the first packet obstructs the line of packets. Examples include input-buffered network switches, out-of-order delivery, and multiple requests in HTTP pipelining.