Limits RegistryPUBLIC RECORDLimits RegistryResearch Console →TCP MSS value-field width is 16 bits under the mandatory four-byte RFC 9293 TCP MSS option.
The question, scope, and sources behind this Registry record.
Under the mandatory four-byte RFC 9293 TCP MSS option, what exact standards-defined value applies to MSS value-field width?
Current frontiers derived from accepted Claims.
The accepted equality closes this optimization result.
Assertions tied to evidence, attribution, and review.
The frontier as it changed over time.
Only accepted Claims matching the current specification contribute to the displayed bounds. Strict inequalities remain open; contradictory Claims require editorial review.