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| -rw-r--r-- | issues/add-checkpoint-support.md | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/issues/add-checkpoint-support.md b/issues/add-checkpoint-support.md new file mode 100644 index 0000000..f1d7951 --- /dev/null +++ b/issues/add-checkpoint-support.md @@ -0,0 +1,18 @@ +**Title:** Add checkpoint support </br> +**Date:** 2021-12-09 </br> + +# Summary +Add experimental checkpoint support. + +# Description +Sigsum collaborated on a common + [checkpoint format](https://github.com/google/trillian-examples/tree/master/formats/log) +a while back. A checkpoint is basically a cosigned tree head. + +The current decision is to add experimental support for checkpoints. There is +no formal decision to adopt the above checkpoint yet, hence _experimental_. + +To keep it simple: +1. Don't add any timestamp extension. +2. Only serve the most recent tree head as a checkpoint. This allows us to +experiment with external feeders and distributors that are not part of the log. |