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can we add multiple channels for each participants in our business network using hyper ledger fabric and hyper ledger composer.

Please suggest on this question .

Nandini Matam
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1 Answers1

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In Composer, business networks are deployed to a single Fabric channel, and Composer business network cards are used to interact with that particular business network (instantiated on a single channel) at any one time.

You can however have multiple channels (ie a Fabric concept) in your blockchain network if your architecture dictates - and instantiate business networks on those different channels - but you would need the correct business network cards (ie with appropriate connection profiles representing the channel desired ; a connection profile is part of the metadata comprising the business network card) to reflect this and are obviously business networks with separate ledgers, on each of those channels.

Paul O'Mahony
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  • can you please provide link or steps for instantiating multiple channels. – Nandini Matam Oct 30 '18 at 10:56
  • sure - see https://stackoverflow.com/questions/48161972/can-some-one-share-fabric-multi-channel-example-using-hyperledger-composer (for related info). See also the first 3 paragraphs (only) of this comment for more info https://github.com/hyperledger/composer/issues/2103#issuecomment-400335080 – Paul O'Mahony Oct 30 '18 at 13:02