sequenceDiagram
%% participant S3 as Sequencer 3
(Follower)
participant S2 as Sequencer 2
(Follower)
participant S1 as Sequencer 1
(Leader)
participant L1 as SSAL(L1)
participant R as Rollup
participant A as Aggregator
S1->
%% leader propagates to all followers concurrently %% random another follower when leader does not respond %% always sync to the status of the one who received the request from the rollup