aloha

TCP/IP written in Erlang.

Goals

Provide connectivity
Simplicity

Non goals

Performance

API

aloha provides an API similar to gen_tcp/inet. See aloha_demo for an example to run cowboy/ranch on aloha.

Implemented features

Basic gen_tcp/inet-like API
TCP
- Active and Passive connections
- Retransmit
- Delayed ACK
- RTT estimate
- MD5 signature
IP
- ARP
- ICMP
IPv6
- NDP
- ICMPv6
Virtual NIC

TODO

implement "congested" loopback variant for testing
user timeout
rto backoff
exit_on_close
urg
sender sws avoidance
ip fragment
use gproc instead of raw ets tables?
handle exiting processes in accept/read/write queues
wscale option
out of order segment queueing
make aloha_nic a separate app
send_timeout
workaround ct_run failure on travis-ci
ctlinput
pmtu discovery
udp