1. checksum - Noun
2. checksum - Verb
a digit representing the sum of the digits in an instance of digital data; used to check whether errors have occurred in transmission or storage
Source: WordNetBoth UDP and TCP have checksum fields. Source: Internet
By contrast, in order to increase performance, and since current link layer technology is assumed to provide sufficient error detection, RFC 1726 section 6.2 the IPv6 header has no checksum to protect it. Source: Internet
Android ROMs also use this type of checksum. Source: Internet
A widely used convention is to make the two characters preceding ETX a checksum or CRC for error-detection purposes. Source: Internet
An IP packet has no data checksum or any other footer after the data section. Source: Internet
A single-bit transmission error then corresponds to a displacement from a valid corner (the correct message and checksum) to one of the m adjacent corners. Source: Internet