SPTP

MIGRATED TO go-guoyk/sptp

Simple Payload Transmission Protocol

We assume protocol is handled via internal networking, thus UDP can be considered as a reliable transport.

The only problem is UDP packet size limitation, we solve this by chunk reassembling with unique message id.

Packet Format

binary format, little-endian

• 1 byte, magic number, 0xAF
• 1 byte, mode
  • bit 0, 1 = chunked message, 0 = simple message
  • bit 1, 1 = gzipped, 0 = plain
• (for chunked message only), 10 bytes, chunks info
  • 8 byte (uint64), unique message id, random generated
  • 1 byte, total chunk count
  • 1 byte, current chunk index
• n bytes, (segmented) payload

Credit

Yanke Guo, MIT license