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femtoTCP/README.md
Daniele Lacamera 63c2ff26ab
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Updated README.md
2024-12-16 08:55:45 +01:00

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FemtoTCP

The smallest TCP/IP stack on the planet

Description and project goals

FemtoTCP is a TCP/IP stack with no dynamic memory allocations, designed to be used in resource-constrained embedded systems.

Endpoint only mode is supported, which means that femtotcp can be used to establish network connections but it does not route traffic between different network interfaces.

A single network interface can be associated with the device.

Features supported

  • ARP (RFC 826)
  • IPv4 (RFC 791)
  • ICMP (RFC 792): only ping replies
  • DHCP (RFC 2131): client only
  • DNS (RFC 1035): client only
  • UDP (RFC 768): unicast only
  • TCP (RFC 793)
    • TCP options supported: Timestamps, Maximum Segment Size
  • BSD-like, non blocking socket API, with custom callbacks
  • No dynamic memory allocation
    • Fixed number of concurrent sockets
    • Pre-allocated buffers for packet processing in static memory

Copyright and License

FemtoTCP is licensed under the GPLv3 license. See the LICENSE file for details. Copyright (c) 2024 Daniele Lacamera. Some rights reserved.