Expand description
Extended Procedures PDU format (CCSDS 355.1-B-1). SDLS Extended Procedures PDU format (CCSDS 355.1-B-1).
Extended Procedures are administrative commands carried in TC frames on a dedicated MAP/VCID. Each PDU uses a TLV header (8-bit tag + 16-bit length) that identifies the service group and procedure.
Structs§
- EpHeader
- Parsed SDLS-EP PDU header.
- Frame
Security Report - Frame Security Report (FSR) — 32-bit OCF carried in TM/AOS/USLP frames to report security status (Section 4.2.2).
Enums§
- KeyProcedure
- Key Management procedures (Table 5-1, Service Group 00).
- McProcedure
- Monitoring & Control procedures (Table 5-1, Service Group 11).
- PduType
- PDU type: command (Initiator → Recipient) or reply.
- SaProcedure
- SA Management procedures (Table 5-1, Service Group 01 or 10).
- Service
Group - Service groups (2 bits) defined by SDLS-EP (Section 5.3.2.2.3).
Constants§
- EP_
HEADER_ SIZE - PDU header size: 1-byte tag + 2-byte length = 3 bytes.