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| Protocol stack | |
| Purpose | Create decentralized networks |
|---|---|
| Developer | Mark Qvist |
| Introduction | 2016 |
| Website | reticulum |
Reticulum is a networking protocol that allows for the creation of networks without any centralized authority. It is designed to be more resilient than TCP/IP, with a focus on privacy and encryption.[1] Instead of IP addresses, Reticulum uses cryptographic keys to identify devices on a network.[2][3]
In this context, Reticulum may also refer to the Reticulum Network Stack (RNS), which is the reference implementation of the Reticulum protocol. This implementation is written in Python.[2]
Interfaces
editReticulum can operate over a variety of different interfaces, including Ethernet, Wi-Fi, LoRa, and serial.[2] It can also operate over existing TCP/IP and I2P networks.[4] Packet radio is another supported interface.[5]
For communication over LoRa, an RNode can be used. An RNode is a radio transceiver running the RNode software, allowing it to act as a network adapter for other devices.[6] Because of its ability to make use of LoRa for communication, Reticulum is often compared to Meshtastic.[4]
Packet structure
editA Reticulum packet consists of four fields: a header field, destination field, context field, and data field. There is no source field; packets do not include sender information.[7]
| Offset | Octet | 0 | 1 | 2 | 3 | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Octet | Bit | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
| 0 | 0 | Access Codes | Header Type | Context Flag | Propagation Type | Destination Type | Packet Type | Hops | |||||||||||||||||||||||||
| 4 | 32 | ||||||||||||||||||||||||||||||||
| 8 | 64 | Destination | |||||||||||||||||||||||||||||||
| 12 | 96 | ||||||||||||||||||||||||||||||||
| 16 | 128 | Context | |||||||||||||||||||||||||||||||
| 20 | 160 | Data | |||||||||||||||||||||||||||||||
| 24 | 192 | ||||||||||||||||||||||||||||||||
| ⋮ | ⋮ | ||||||||||||||||||||||||||||||||
See also
editReferences
edit- ↑ Gault, Matthew; Bode, Karl (2022-03-31). "This Prepper Is Building a Post-Apocalyptic Internet". Vice. Retrieved 2026-06-26.
- 1 2 3 Rice-Jones, Joe (2025-10-15). "I found an off-grid open source VPN, and it's amazing". XDA. Retrieved 2026-06-25.
- ↑ Horsey, Julian (2026-02-23). "Internet, Reinvented: Reticulum Networking Bridges Radios, Wi-Fi & Ethernet". Geeky Gadgets. Retrieved 2026-06-25.
- 1 2 Budington, Bill (2025-07-16). "Radio Hobbyists, Rejoice! Good News for LoRa & Mesh". Electronic Frontier Foundation. Retrieved 2026-06-25.
- ↑ "'Reticulum Network Stack' is an encryption-complete system that builds a unique network using any wireless device, including packet radio and WiFi". Gigazine. 2026-01-20. Retrieved 2026-06-25.
- ↑ Rowntree, Dave (2024-03-18). "RNODE: A Portable Unrestricted Digital Radio". Hackaday. Retrieved 2026-06-25.
- 1 2 Qvist, Mark (2024-12-28). Reticulum: Unstoppable Networks for The People (MP4). 38C3. Chaos Computer Club. Retrieved 2026-06-26.
- ↑ "Understanding Reticulum". Retrieved 2026-07-10.
External links
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