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dms3
go-bitswap
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5512207a
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5512207a
authored
Dec 04, 2014
by
Jeromy
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update bitswap readme
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README.md
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5512207a
#Welcome to Bitswap
#Welcome to Bitswap
(The data trading engine)
Bitswap is the module that is responsible for requesting blocks over the
network from other ipfs peers.
Bitswap is the module that is responsible for requesting and providing data
blocks over the network to and from other ipfs peers. The role of bitswap is
to be a merchant in the large global marketplace of data.
##Main Operations
Bitswap has three
main
operations:
Bitswap has three
high level
operations:
###GetBlocks
`GetBlocks`
is a bitswap method used to request multiple blocks that are likely
to all be provided by the same peer (part of a single file, for example).
to all be provided by the same
set of
peer
s
(part of a single file, for example).
###GetBlock
`GetBlock`
is a special case of
`GetBlocks`
that just requests a single block.
###HasBlock
`HasBlock`
registers a local block with bitswap. Bitswap will then send that
block to any connected peers who want it (strategy allowing), and announce to
the DHT that the block is being provided.
block to any connected peers who want it (with the strategies approval), record
that transaction in the ledger and announce to the DHT that the block is being
provided.
##Internal Details
All
`GetBlock`
requests are relayed into a single for-select loop via channels.
...
...
@@ -39,4 +41,6 @@ If another peers wantlist is received, Bitswap will call its strategies
be sent the block they are requesting (if we even have it).
##Outstanding TODOs:
-
Ensure only one request active per key
[] Ensure only one request active per key
[] More involved strategies
[] Ensure only wanted blocks are counted in ledgers
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