Скачать или смотреть What is AS2 | AS2 EDI Protocol with MDN use | AS2 in Detailed Explain for Transfer files on Server

#AS2 #EDI #AS2Protocol #TransmissionEDI #MDN
AS2 (Applicability Statement 2) is a specification about how to transport structured business-to-business data securely and reliably over the Internet. Security is achieved by using digital certificates and encryption.

AS2 (Applicability Statement 2) is a http based protocol to transmit messages (especially EDI messages) safely, cheaply and quickly. In the last 20 years AS2 has become the most widely used protocol for EDI in many industries, such as the retail and the consumer goods industry.

#AS2 WORKS :-
To establish an AS2 connection you need two computers, a server and a client. Both connect to the Internet via a point-to-point connection. In order to transmit the desired data, AS2 creates an ‘envelope’ that enables secure transmission via the Internet using digital certificates and encryption.

#AS2_MDN?
MDN (Message Disposition Notification) is an electronic acknowledgement of reception that is sent to the sender via AS2 after an electronic message has been sent. This acknowledgement of reception confirms that the message has been transmitted completely.

The MDN mainly checks two things:

Whether the AS2 transfer was successfully completed
The message arrived at the desired recipient without change

The process of establishing an AS2 MDN connection is as follows:

The sender sends an encrypted EDI message with digital signature to the desired recipient
Transmission of the EDI message over the Internet via AS2
Message is decrypted by the recipient and the digital signature of the sender is verified
Recipient prepares the requested MDN and applies a digital signature. It is then sent back to the sender
Sender receives the MDN and verifies the digital signature of the recipient

#NeedAS2?
One AS2 identification (GLN - Global Location Number), and one certificate per participant
The public keys of all certificates used by your partners
AS2 capable software


What are AS2 Certificates?
AS2 certificates are important because they enable secure data exchange and meet certain security standards. You can generate and sign your certificates yourself using software of your choice, or use certificates issued and verified by a trusted certification authority. These are exchanged in advance with the partner.

However, self-signed certificates can cause security warnings and thus disrupt the exchange of EDI messages.



What are the benefits of AS2?
High level of security, as the data is encrypted
Cost-effective, as the transmission takes place via the Internet
Synchronous response to a transmission (real-time status)
Can be used almost everywhere
Learn more



What can be possible disadvantages?
Bilateral partner management (point-to-point connection, exchange of keys)
Open ports for AS2 communication on the firewall
High maintenance effort, due to many signed certificates of Trading Partners and/or yourself which will expire and need replacing over time.


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