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Robert Habermeier 9071120de1 guide: Availability Recovery (#2011 )

* expand description

* basics of availability recovery

* finish availability recovery

* fill out missing text

* Update roadmap/implementers-guide/src/node/availability/availability-recovery.md

Co-authored-by: Fedor Sakharov <fedor.sakharov@gmail.com>

* fix signal handling

Co-authored-by: Fedor Sakharov <fedor.sakharov@gmail.com>

2020-12-01 14:58:31 -05:00

availability-distribution.md

impl availability distribution

2020-08-10 15:02:30 +02:00

availability-recovery.md

guide: Availability Recovery (#2011 )

2020-12-01 14:58:31 -05:00

bitfield-distribution.md

Network Bridge Refactoring (#1535 )

2020-08-05 09:04:05 +00:00

bitfield-signing.md

implement bitfield signing subsystem (#1364 )

2020-07-23 16:05:48 +02:00

README.md

I am dumb and can't spell (#1366 )

2020-07-07 10:10:36 -04:00

README.md

Availability Subsystems

The availability subsystems are responsible for ensuring that Proofs of Validity of backed candidates are widely available within the validator set, without requiring every node to retain a full copy. They accomplish this by broadly distributing erasure-coded chunks of the PoV, keeping track of which validator has which chunk by means of signed bitfields. They are also responsible for reassembling a complete PoV when required, e.g. when a fisherman reports a potentially invalid block.