Scenario
Block propagation and regional arrival lag.
The probe(s) subscribe with eth_subscribe(newHeads) and capture each block header arrival. Datasets from all regions are merged by number + hash to detect the leader and followers for each block.
Of the possible 31 regions, 3 were selected for data collection: Columbus, OH, Frankfurt, and Singapore.
Each location probe breaks its processing loop if / when the endpoint response is too-many-requests, a.k.a. HTTP code 429 etc. Also, codes 401 and 403.
At the time of the report generation: 3 of 3 datasets were available from 3 selected regions x 1 endpoint.
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Findings
Details
3 datasets do not have rows in this table. Review Errors below for more info.
Errors
Info about errors incl. 429. Up to 4 examples per problem category, per endpoint, per region. Scenario-derived availability notes may also appear.