| RFC 0000 | ROUTE | March 2022 |
| Surname | Informational | [Page] |
Abstract [REPLACE]¶
This document is not an Internet Standards Track specification; it is published for informational purposes.¶
This is a contribution to the RFC Series, independently of any other RFC stream. The RFC Editor has chosen to publish this document at its discretion and makes no statement about its value for implementation or deployment. Documents approved for publication by the RFC Editor are not candidates for any level of Internet Standard; see Section 2 of RFC 7841.¶
Information about the current status of this document, any errata, and how to provide feedback on it may be obtained at https://www.rfc-editor.org/info/rfc0000.¶
Copyright (c) 2022 IETF Trust and the persons identified as the document authors. All rights reserved.¶
This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (https://trustee.ietf.org/license-info) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect to this document.¶
| Element | ATSC-ROUTE | This Document | DVB-MABR |
|---|---|---|---|
| LCT header field: PSI LSB | Set to 0 for Source Flow | Not defined | Set to 1 for Source Flow for CMAF Random access chunk |
| LCT header field: CCI | May be set to 0 | May be set to EPT for Source Flow | |
| LCT header extensions | EXT_ROUTE_PRESENTATION_TIME Header used for MDE mode | Not defined; may be added by a profile. | Shall not be used. |
| EXT_TIME Header linked to MDE mode in Annex A.3.7.2 | EXT_TIME Header may be used regardless (for FDT-Instance@Expires calculation) | ||
| Codepoints | Full set | Does not specify range 11 - 255 (leaves to profiles) | Restricted to 5 - 9 |
| Session metadata | Full set | Only defines a small subset of data necessary for setting up Source and Repair Flows. Does not define format or encoding of data except if data is integral/alphanumerical. Leaves rest to profiles. | Reuses A/331 metadata, duplicated from its own service signaling. |
| Extended FDT | Instance shall not be sent with Source Flow | Not restricted, may be restricted by a profile. | Instance shall not be sent with Source Flow |
| No restriction | Only allowed in File Mode | ||
| Delivery Object Mode | File, Entity, Signed/unsigned package | Signed/unsigned package not allowed | |
| Sender operation: Packetization | Defined for DASH segment | Defined for DASH segment and CMAF Chunks | |
| Receiver object recovery | Object handed to application upon complete reception | Object may be handed before completion if MPD@availabilityTimeOffset signaled | |
| - | Fast Stream acquisition guideline provided | ||