What Does Maximum Segment Size (MSS) Mean?
Maximum Segment Size (MSS) refers to the ceiling, or largest data segment, accommodated as an unfragmented piece by a computer or communications device.
Techopedia Explains Maximum Segment Size (MSS)
The MSS is typically established by the operating system (OS) when a TCP handshake occurs in a SYN packet. Each data flow direction may use a different MSS. The MSS is an important Internet connection component, especially when using a Web browser. When TCP is used in an Internet connection, the connected computers must establish a specific MTU size agreeable to all connected parties.
