microsoft / microsoft/demikernel

[inetstack] Support Path MTU Discovery

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feature
Dominant language
Rust
Stars
1.2k
Forks
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PR merge metrics
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Description

We currently don't support Path MTU Discovery, which is a technique for avoiding in-path packet fragmentation.

See RFC 1191 (or RFC 8201 for the IPv6 version).

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reading RFC 1191 and RFC 8201, then trace the networking implementation in inetstack to identify the relevant packet and path-handling entry points. Done means Path MTU Discovery is supported for the applicable IPv4 and IPv6 behavior described by those RFCs, with coverage for the resulting network conditions.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
networking
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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