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Description
Some nodes seem to experience connectivity issues from time to time. This may be caused by some underlying networking issue e.g. double-NAT, dynamic-IP, etc.
A symptom might be that the node gets stuck for no other apparent reason e.g. on empty blocks, and exhibits high error counts when trying to sync.
A temporary mitigation would be to manually restart the node, which tends to fix things.
A better solution might involve some mitigations:
- Support the use of QUIC, which might be more resilient against some of these issues; and
- Use ping health checks, to detect and reconnect a node when it crosses some threshold.