| Field name | Type | Description | Versions |
|---|---|---|---|
| alc.fec | None | Forward Error Correction (FEC) header | 0.10.9 to 0.10.13 |
| alc.fec.encoding_id | Unsigned 8-bit integer | FEC Encoding ID | 0.10.9 to 0.10.13 |
| alc.fec.esi | Unsigned 32-bit integer | Encoding Symbol ID | 0.10.9 to 0.10.13 |
| alc.fec.fti | None | FEC Object Transmission Information | 0.10.9 to 0.10.13 |
| alc.fec.fti.encoding_symbol_length | Unsigned 32-bit integer | Encoding Symbol Length | 0.10.9 to 0.10.13 |
| alc.fec.fti.max_number_encoding_symbols | Unsigned 32-bit integer | Maximum Number of Encoding Symbols | 0.10.9 to 0.10.13 |
| alc.fec.fti.max_source_block_length | Unsigned 32-bit integer | Maximum Source Block Length | 0.10.9 to 0.10.13 |
| alc.fec.fti.transfer_length | Unsigned 64-bit integer | Transfer Length | 0.10.9 to 0.10.13 |
| alc.fec.instance_id | Unsigned 8-bit integer | FEC Instance ID | 0.10.9 to 0.10.13 |
| alc.fec.sbl | Unsigned 32-bit integer | Source Block Length | 0.10.9 to 0.10.13 |
| alc.fec.sbn | Unsigned 32-bit integer | Source Block Number | 0.10.9 to 0.10.13 |
| alc.lct | None | Layered Coding Transport (LCT) header | 0.10.9 to 0.10.13 |
| alc.lct.cci | Byte array | Congestion Control Information | 0.10.9 to 0.10.13 |
| alc.lct.codepoint | Unsigned 8-bit integer | Codepoint | 0.10.9 to 0.10.13 |
| alc.lct.ert | Time duration | Expected Residual Time | 0.10.9 to 0.10.13 |
| alc.lct.ext | Unsigned 8-bit integer | Extension count | 0.10.9 to 0.10.13 |
| alc.lct.flags | None | Flags | 0.10.9 to 0.10.13 |
| alc.lct.flags.close_object | Boolean | Close Object flag | 0.10.9 to 0.10.13 |
| alc.lct.flags.close_session | Boolean | Close Session flag | 0.10.9 to 0.10.13 |
| alc.lct.flags.ert_present | Boolean | Expected Residual Time present flag | 0.10.9 to 0.10.13 |
| alc.lct.flags.sct_present | Boolean | Sender Current Time present flag | 0.10.9 to 0.10.13 |
| alc.lct.fsize | None | Field sizes (bytes) | 0.10.9 to 0.10.13 |
| alc.lct.fsize.cci | Unsigned 8-bit integer | Congestion Control Information field size | 0.10.9 to 0.10.13 |
| alc.lct.fsize.toi | Unsigned 8-bit integer | Transport Object Identifier field size | 0.10.9 to 0.10.13 |
| alc.lct.fsize.tsi | Unsigned 8-bit integer | Transport Session Identifier field size | 0.10.9 to 0.10.13 |
| alc.lct.hlen | Unsigned 16-bit integer | Header length | 0.10.9 to 0.10.13 |
| alc.lct.sct | Time duration | Sender Current Time | 0.10.9 to 0.10.13 |
| alc.lct.toi | Unsigned 64-bit integer | Transport Object Identifier (up to 64 bites) | 0.10.9 to 0.10.13 |
| alc.lct.toi_extended | Byte array | Transport Object Identifier (up to 112 bits) | 0.10.9 to 0.10.13 |
| alc.lct.tsi | Unsigned 64-bit integer | Transport Session Identifier | 0.10.9 to 0.10.13 |
| alc.lct.version | Unsigned 8-bit integer | Version | 0.10.9 to 0.10.13 |
| alc.payload | None | Payload | 0.10.9 to 0.10.13 |
| alc.version | Unsigned 8-bit integer | Version | 0.10.9 to 0.10.13 |