Does Service Bus support AS2?

Alex Choi 1

I hope to know if Azure Service Bus can handle AS2 data that contains encrypted signed data.

Mike Urnun 9,786 Reputation points Microsoft Employee

2021-06-29T23:18:26.633+00:00

Hi @Alex Choi - Azure supports AS2 and other B2B scenarios through Logic Apps and its connectors: Exchange AS2 messages for B2B enterprise integration in Azure Logic Apps with Enterprise Integration Pack

Could you elaborate on why you're looking to introduce Service Bus in the mix?
Alex Choi 1 Reputation point

2021-06-30T13:22:42.437+00:00

Hi @Mike Urnun ,
Because I want to check Service Bus as a load balancer at front-end of the EDI system. I checked out Azure Front Door can be used for load balancer in front of App Service and Logic Apps architecture. AS2 is used for EDI communications.

1 answer

Mike Urnun 9,786 Reputation points Microsoft Employee

2021-07-02T00:44:02.88+00:00

Hello @Alex Choi

I confirmed with my colleague, @MayankBargali-MSFT , that the Service Bus is completely fine for the type of use you're interested in. You might want to be mindful of the payload sizes though as you put together your solution: the maximum is 256KB for the Standard tier and 1MB for the Premium. If you have questions about specific implementation details, let us know and we'd be happy to help.
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Alex Choi 1 Reputation point

2021-07-06T13:23:03.287+00:00

Thank you, @Mike Urnun . Yeah, please let me know how to send AS2 thru Service Bus.

Mike Urnun 9,786 Reputation points Microsoft Employee

2021-07-12T06:36:08.59+00:00

Hi @Alex Choi - The following blog post goes over the implementation of AS2 workflow using Service Bus and Logic Apps:

Overview: https://www.connected-pawns.com/2019/02/10/azure-topic-subscription-filters/
With Service Bus trigger: https://www.connected-pawns.com/2019/02/28/azure-send-edifact-order-as2/

Instead of the FTP trigger (one for the pre-processor app that does the transformation to XML format), you can use an HTTP trigger as your AS2 endpoint. If you need to use your own URL for the AS2 endpoint, you can put APIM in front of your Logic Apps and configure a custom domain.

Alyne Tapia 1 Reputation point

2022-10-25T19:27:43.197+00:00

Hi Mike,

I am exploring both options for EDI files Logic Apps or Service, what would you said the key points for one or the other?
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Does Service Bus support AS2?

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