# The Specifications for ROSE Development on the protocol may change the specifications, see the devlogs for specific decisions on changes. ## Packet specifications ### Packet size This is determined by the users after considering their applications during compilation/synthesis of their ROSE setup, the size must be a power of 2 (and long enough, >16 bytes is recommended). ### Header #### (1 byte) Command - Commands are 8 bits with 256 possibilities, see the **Commands** section for details. #### (1 byte) Destination address - This can refer to any end-device or fabric within the network #### (1 byte) Source address - This can refer to any end-device or fabric within the network ### Payload Via commands, leading or trailing bytes in the payload can also be repurposed to feature extensions. ### (1 byte) CRC-8 To ensure delivery. ## Commands 1. `[CMD: 0]` Idle. 2. `[CMD: 1]` Send packet. ### Feature Extensions #### [CMD: TBD] Include timestamp #### [CMD: TBD] Include sequence number