0MQ Requests for Comments

1/SPB - the Size-Prefixed Blob format - Legacy
SPB is a minimalist format for framing opaque binary blobs. The blobs have no properties and no content structure, and are represented as a size field followed by a blob content.

14/WMP - Worker-Manager Protocol - Raw

12/CHP - Clustered Hashmap Protocol - Draft

11/MTL - Message Transfer Layer - Draft

10/FLP - Freelance Protocol - Draft

9/TSP - Titanic Service Protocol - Draft

8/MMI - Majordomo Management Interface - Draft

6/PPP - Paranoid Pirate Protocol - Draft

5/ZDCF - ZeroMQ Device Configuration File - Draft

4/ZPL - ZeroMQ Property Language - Draft

13/ZMTP - ZeroMQ Message Transport Protocol - Stable

7/MDP - Majordomo Protocol - Stable

1/SPB - the Size-Prefixed Blob format - Legacy

3/ZDCF - ZeroMQ Device Configuration File - Retired

2/SPB - The Size-Prefixed Blob Format - Retired

15/ZMTP - ZeroMQ Message Transport Protocol - Deleted