Comtec CDM-840 - Table H-1. Comtech AHA Gzip Performance Comparisons; Table H-2. Comtech AHA Gzip Performance Specifications Support

CDM-840 Remote Router MN-CDM840
Appendix H Revision 3
H–3
Table H-2 outlines the comparison the effects of the CTOG specification for current operation,
based on a session-based compression for which the current performance specifications are
given.
Table H-1. Comtech AHA GZip Performance Comparisons
File Sets
Comtech AHA363-PCIe
LZS
ALDC
Calgary Corpus
2.7:1
2.2:1
2.1:1
Canterbury Corpus
3.6:1
2.7:1
2.7:1
HTML
4.4:1
3.4:1
2.65:1
Table H-2. Comtech AHA GZip Performance Specifications Support
Description
Specification
Number of TX compression sessions supported
64,000
Session history size supported
2048
Granularity of control
Per route basis
Refresh rate
1 to 600 packets or 1 second whichever comes first
Compatibility
Packets compressed by the CDM-840 transmitter will be
decompressed without error by the CDM-840 receiver.