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AS2 and AS3 are a security standard defined by the Working Group of the Internet Engineering Task Force (IETF) that allows EDIFACT, X12, and XML-based business transactions to move securely over the Internet.
The standard underlines the critical elements of data privacy, data authentication, and non-repudiation of origin and receipt, required to ensure the integrity of data communications via the Internet.
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LANSA's AS2 and AS3 facility consists of these services: