From dfac54de4701946f740aca1116a8613cbbeedf09 Mon Sep 17 00:00:00 2001 From: pablo Date: Wed, 4 Jun 2025 18:16:43 +0300 Subject: [PATCH] Segmentation furps --- FURPS/application/segmentation.md | 33 +++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 FURPS/application/segmentation.md diff --git a/FURPS/application/segmentation.md b/FURPS/application/segmentation.md new file mode 100644 index 0000000..7a15463 --- /dev/null +++ b/FURPS/application/segmentation.md @@ -0,0 +1,33 @@ +# Segmentation FURPS + +## Functionality + +1. Outbound messages larger than the maximum Waku message size are partitioned in several messages to fit in Waku messages. +2. Inbound partitioned messages are reconstructed in a whole message. +3. A capping limit is applied to pre-segmented messages (e.g. 100MB). +4. Messages under the maximum message size are not modified. + +## Usability + +1. Only takes a maximum message size as a parameter. + +## Reliability + +1. Reconstruction can be performed even when parts are received out or order. +2. Reconstruction can be performed as long as 87.5% of the segments is received. +3. If too many parts missing to reconstruct an informative error should be logged. + +## Performance + +1. The payload overhead does not exceed 12.5% + 100 bytes. + +## Supportability + +1. Nim +2. Golang +3. Rust + +## + (Privacy, Anonymity, Deployments) + +1. Segmentation metadata should not reveal information about the original message content +2. Relevant for all Waku nodes