Seamless reconfiguration with multi-process membership changes

Determine whether the seamless reconfiguration protocol for asynchronous DAG-based Byzantine atomic broadcast can be extended to permit the removal or addition of more than one process at a time.

Background

The paper restricts consecutive configurations to differ by the addition or removal of at most one process. The authors explicitly identify as unresolved whether seamless reconfiguration can support larger membership changes while retaining the protocol's non-blocking operation and correctness guarantees.

References

Furthermore, is it possible to extend reconfigurations to not preclude removal and addition of more than one processes at a time.

— Seamless Reconfiguration for DAG-BFT  (2610.00896 - Hu et al., 1 Oct 2026) in Section 'Conclusion and Open Questions'