Organizations with cloud computing operations set up connectivity between their networks to facilitate secure, low cost communication. Such inter-organization connectivity opens up network boundaries to applications running in networks that belong to cross-border business units or organizations. Participating organizations require secure, tamper-proof audit trails of communications across network boundaries without relying on the cloud provider. This disclosure describes blockchain-based techniques to provide trust, immutability, and independent verifiability of audit logs of network traffic between organizations. A permission-based blockchain built using hyperledger fabric is provided to enable efficient audit of network communication between networks belonging to different parties or entities. A private blockchain network for a VPC (virtual private cloud) network connection is configured to efficiently store network traffic data as a distributed ledger.
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Jagannath, Kishore, "Configuring and Auditing VPC Network Traffic Using a Private Hyperledger Blockchain", Technical Disclosure Commons, (April 20, 2023)