Communication Specification

Trailer

Domain(s)
Space
System(s)
Satellite
Specialty
COMS
Profile(s)
COMM
Specification Type
Recommendation
Citation(s)
Internal_Standard
Image of JAS-SP-COMS-He_Figure59386cd8cc661.png

JRDDP Packet Format

The JRDDP packet trailer shall be a 16-bit CCITT Cyclic Redundancy Check (CRC) computed from the Destination SLA to the last byte of the Payload field.

CRC

The 16-bit CCITT CRC shall be computed according to the following polynomial:

Image of JAS-SP-COMS-Tr_Figure59386cd8e54c0.png

CRC Polynomial for JRDDP

Prior to computing each packet’s CRC, the initial value for the computation shall be set to all 1s.

 

Internal_Standard

"Internal Standards developed by Sandia National Laboratories". Experience Base, Sandia National Laboratories, Albuquerque, NM, 0000.