Fast Update of Data Packet Checksums

摘要

A device includes a processor and a checksum module, wherein the checksum module calculates, for first data, an updated checksum that complies with Internet Engineering Task Force Request For Comments Number 1624 using twos-complement arithmetic. The processor replaces the original checksum with the updated checksum to update a data packet.

主权项

1. A device comprising:
a processor; and a checksum module, wherein the checksum module calculates, for first data, an updated checksum using twos-complement arithmetic, wherein the updated checksum is equivalent to a ones-complement checksum calculated in accordance with an Internet Engineering Task Force Request For Comments Number 1624; wherein the processor appends the updated checksum to the first data to make a data packet.