feat(zakura): add BBR-lite block-sync congestion control#337

Merged

p0mvn merged 21 commits into

feat/pre-release-mainfrom

codex/bbr-lite-congestion-control

Jun 30, 2026

Commits on Jun 30, 2026

fix: use block progress for sync peer liveness

evan-forbes
authored and
p0mvn
committed
feat(zakura): add BBR-lite block-sync config fields (inert)

evan-forbes
authored and
p0mvn
committed
feat(zakura): measure per-peer BBR estimators (RTprop/BtlBw), inert

evan-forbes
authored and
p0mvn
committed
feat(zakura): make BBR-lite the sole block-sync congestion controller

evan-forbes
authored and
p0mvn
committed
feat(zakura): BBR ProbeRTT phase to keep RTprop honest under load

evan-forbes
authored and
p0mvn
committed
feat(zakura): floor-first scheduling — cwnd bypass + best-peer bias

evan-forbes
authored and
p0mvn
committed
feat(zakura): BBR delay-gradient down-adjust to cap cwnd inflation

evan-forbes
authored and
p0mvn
committed
feat(zakura): blocks<->bytes cwnd unit seam

evan-forbes
authored and
p0mvn
committed
fix(zakura): floor request reaches funding path when byte budget is exactly full

evan-forbes
authored and
p0mvn
committed
fix(zakura): enforce the advertised request-count cap under the byte cwnd unit

evan-forbes
authored and
p0mvn
committed
docs(zakura): mark inert BBR ProbeBW/Startup config knobs as reserved

evan-forbes
authored and
p0mvn
committed
feat(zakura): byte-denominated block-sync congestion control and floor scheduling

evan-forbes
authored and
p0mvn
committed
fix(zakura): adapt BBR-lite port to feature branch

evan-forbes
authored and
p0mvn
committed
test(zakura): stabilize BBR-lite fuzzer harness

evan-forbes
authored and
p0mvn
committed
docs(zakura): remove stale cubic block-sync wording

evan-forbes
authored and
p0mvn
committed
refactor(zakura): separate BBR block-sync controller

evan-forbes
authored and
p0mvn
committed
fix(zakura): harden BBR byte accounting

evan-forbes
authored and
p0mvn
committed
docs(zakura): add BBR block-sync congestion-control spec

evan-forbes
authored and
p0mvn
committed
fix(zakura): make BBR ProbeRtt drain detection byte-unit consistent

evan-forbes
authored and
p0mvn
committed
test(zakura): cover budget over-commit, bitset boundary, and lossy/reorder fuzz

evan-forbes
authored and
p0mvn
committed
docs(zakura): satisfy markdownlint on BBR congestion-control spec

evan-forbes
authored and
p0mvn
committed

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feat(zakura): add BBR-lite block-sync congestion control#337

feat(zakura): add BBR-lite block-sync congestion control#337
p0mvn merged 21 commits into
feat/pre-release-mainfrom
codex/bbr-lite-congestion-control

Commits on Jun 30, 2026

fix: use block progress for sync peer liveness

feat(zakura): add BBR-lite block-sync config fields (inert)

feat(zakura): measure per-peer BBR estimators (RTprop/BtlBw), inert

feat(zakura): make BBR-lite the sole block-sync congestion controller

feat(zakura): BBR ProbeRTT phase to keep RTprop honest under load

feat(zakura): floor-first scheduling — cwnd bypass + best-peer bias

feat(zakura): BBR delay-gradient down-adjust to cap cwnd inflation

feat(zakura): blocks<->bytes cwnd unit seam

fix(zakura): floor request reaches funding path when byte budget is exactly full

fix(zakura): enforce the advertised request-count cap under the byte cwnd unit

docs(zakura): mark inert BBR ProbeBW/Startup config knobs as reserved

feat(zakura): byte-denominated block-sync congestion control and floor scheduling

fix(zakura): adapt BBR-lite port to feature branch

test(zakura): stabilize BBR-lite fuzzer harness

docs(zakura): remove stale cubic block-sync wording

refactor(zakura): separate BBR block-sync controller

fix(zakura): harden BBR byte accounting

docs(zakura): add BBR block-sync congestion-control spec

fix(zakura): make BBR ProbeRtt drain detection byte-unit consistent

test(zakura): cover budget over-commit, bitset boundary, and lossy/reorder fuzz

docs(zakura): satisfy markdownlint on BBR congestion-control spec