microsoft/demikernel

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Kernel-Bypass LibOS Architecture

Stars: 1.2k
Forks: 151
Open beginner issues: 0
Indexed issues: 93

Dominant language: Rust
License: MIT
Last GitHub push: Nov 12, 2025
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

93 open issues indexed

Opt-in rusty_alloc feature alongside mimalloc Open

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

microsoft/demikernel#1637 · Opened Sep 4, 2026
Documentation update for Demikernel Open

question

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/demikernel#1634 · Opened Mar 21, 2026
Project updates and roadmap Open

question

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/demikernel#1632 · Opened Feb 14, 2026
demikernel-dpdk-bindings build.rs uses x86-only -mavx flag unconditionally, breaks build on AArch64 Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

microsoft/demikernel#1631 · Opened Nov 29, 2025
Broken link to blog post in README.md Open

bug

Difficulty 1/5 Under an hour Newbie friendliness 65/100

microsoft/demikernel#1629 · Opened Nov 10, 2025
Hard close should send RST Open

feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

microsoft/demikernel#1627 · Opened Sep 25, 2025
[inetstack] Not all packets from push batch are being added to unsent queue Open

bug

microsoft/demikernel#1625 · 1 assignee · Opened Sep 12, 2025
Running Demikernel (Catnip) without Mellanox NIC Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/demikernel#1590 · Opened Jun 17, 2025
[inetstack] Simultaneous close does not continue sending FIN Open

bug

microsoft/demikernel#1537 · 1 assignee · Opened May 1, 2025
[inetstack] Do not print duplicate packet warning when receiving bare acks Open

bug

microsoft/demikernel#1519 · 1 assignee · Opened Apr 9, 2025
[config] ARP turned off should not require other ARP options Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/demikernel#1509 · Opened Mar 12, 2025
[catnap] Support macos M1 Open

feature

Difficulty 5/5 Over a week Newbie friendliness 20/100

microsoft/demikernel#1506 · Opened Feb 14, 2025
[simulator] Handle error codes on different platforms Open

feature

Difficulty 4/5 3-5 days Newbie friendliness 42/100

microsoft/demikernel#1477 · Opened Dec 11, 2024
[Catpowder] Windows: Allocate DemiBuffers directly from XDP user memory region Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 28/100

microsoft/demikernel#1438 · Opened Oct 10, 2024
[Catpowder] Windows: Support more than one concurrent packet per ring in XDP Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

microsoft/demikernel#1437 · 1 comment · Opened Oct 10, 2024
[Catpowder] support SR-IOV accelerated networking for Windows Open

feature

microsoft/demikernel#1436 · 1 assignee · Opened Oct 9, 2024
[Catpowder] Windows: support co-hosting of Demikernel when XDP is in use Open

enhancement

microsoft/demikernel#1435 · 1 assignee · Opened Oct 8, 2024
[catnip] Verify that the mac address specified in the config file matches the real mac address Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/demikernel#1413 · Opened Sep 30, 2024
[runtime] Add FIFO scheduling Open

enhancement

microsoft/demikernel#1405 · 1 assignee · Opened Sep 20, 2024
[testing] Support ARP, ICMP in the network simulator Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/demikernel#1392 · Opened Aug 31, 2024
[catnip] Add Catnip (DPDK) basic usage examples Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/demikernel#1374 · Opened Aug 19, 2024
[inetstack] Retry on failed transmit for ARP and ICMP Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/demikernel#1365 · Opened Aug 7, 2024
Turning from Unbounded AsyncQueue to Bounded AsyncQueue Open

enhancement

microsoft/demikernel#1330 · 1 assignee · Opened Jul 12, 2024
[catpowder] Support memory-mapped rx and tx queues Open

feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/demikernel#1327 · Opened Jul 3, 2024
[inetstack] Read TCP config from config.yaml Open

bug

microsoft/demikernel#1289 · 1 assignee · Opened May 21, 2024
[libos] Support TCP level socket options Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/demikernel#1282 · Opened May 15, 2024
[runtime] More accurate timeouts with rdtsc Open

enhancement

microsoft/demikernel#1226 · 1 assignee · Opened Apr 8, 2024
DemiBuffer use of data_len/pkt_len is inconsistent w.r.t. DPDK creates UB Open

enhancement

microsoft/demikernel#1169 · 1 assignee · Opened Mar 6, 2024
Allow demi_sgaalloc calls larger than 64KB Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/demikernel#1133 · Opened Jan 18, 2024
[inetstack] Buffer Data Received on SYN Segments for Later Use Open

enhancement wontfix

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/demikernel#1115 · 1 comment · Opened Jan 8, 2024
[contrib] Update `windows-sys` Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 30/100

microsoft/demikernel#1090 · Opened Dec 18, 2023
[testing] Parse yaml file at beginning of demikernel_ci.py Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

microsoft/demikernel#1084 · Opened Dec 15, 2023
[runtime] Move sgaalloc and sgafree to transport Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/demikernel#1057 · Opened Dec 8, 2023
[ci] Enable System Tests for Catnap Windows Open

bug confirmed

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/demikernel#1033 · Opened Nov 27, 2023
[inetstack] Deduplicate state machine Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/demikernel#1007 · Opened Nov 16, 2023
[inetstack] UDP should support send when socket is not bound Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/demikernel#973 · Opened Oct 16, 2023
[catnap] Windows: connect incorrectly signals completion Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

microsoft/demikernel#971 · Opened Oct 14, 2023
[catnap] ambiguous use of Fail::errno for Windows Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/demikernel#970 · Opened Oct 13, 2023
[catmem] huge page support Open

feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

microsoft/demikernel#966 · Opened Oct 10, 2023
[catloop] Windows support Open

feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/demikernel#965 · Opened Oct 10, 2023
IPv6 support Open

feature

Difficulty 5/5 Over a week Newbie friendliness 30/100

microsoft/demikernel#935 · 1 reaction · Opened Sep 18, 2023
[catnip] Catnip runs out of memory at higher loads Open

bug confirmed

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/demikernel#862 · 1 comment · Opened Aug 6, 2023
Storage system support? Open

feature

Difficulty 5/5 Over a week Newbie friendliness 20/100

microsoft/demikernel#860 · 1 comment · Opened Aug 3, 2023
Make all tests in CI configurable Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 30/100

microsoft/demikernel#804 · Opened Jun 29, 2023
[runtime] Various Improvements on `DataBuffer` Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 42/100

microsoft/demikernel#751 · Opened May 30, 2023
[test] Add signal handling to system tests Open

bug confirmed

microsoft/demikernel#712 · 1 assignee · Opened May 2, 2023
[test] Run each test suite in new process Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/demikernel#702 · Opened Apr 26, 2023
[test] Close sockets and clean up on error for integration testing Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/demikernel#633 · Opened Apr 10, 2023
[inetstack] `0` Should Be Supported as the Wildcard Port Open

bug confirmed

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/demikernel#582 · Opened Mar 27, 2023
[ci] Enable `tcp-echo` in `demikernel-ci` Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 42/100

microsoft/demikernel#578 · Opened Mar 24, 2023

microsoft/demikernel

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