Reference Architecture V0.2 - Undated

Reference Architecture V1.0 DRAFT - Undated

Reference Architecture V1.1 - 28 OCT 98

Reference Architecture V1.2 DRAFT - 11 FEB 99

Reference Architecture V1.2 DRAFT - 27 MAY 99

Reference Architecture V1.2 DRAFT - 7 JUL 99

Reference Architecture V2.0 DRAFT - 26 OCT 99

Reference Architecture V2.0 DRAFT - 7 JAN 00

Reference Architecture V2.0 - 25 SEP 00

Reference Architecture V3.0 - 13 SEP 02

Reference Architecture V3.1 - 17 FEB 04

Reference Architecture V3.2 Part 1 - 13 AUG 04

Reference Architecture V3.2 Part 2 - 13 AUG 04

Reference Architecture V3.2 Part 3 - 13 AUG 04