Electronic data interchange (EDI) is the automated exchange of business documents between organizations. Daily business workflows require the exchange of documents like invoices, purchase orders, and shipping forms. Traditionally, paper-based documents or emails with attachments are shared between company representatives, who then manually process and fill the document data in their enterprise data systems. EDI technology automates these workflows so that digital systems can share and process documents across organizational boundaries without human involvement. Organizations can connect IT systems to others in their B2B network to save time and eliminate errors from manual processing.
What are the benefits of electronic data interchange?
EDI provides the following benefits to businesses.
Save time
Invoicing, processing purchase orders, and data entry are time-consuming in a non-EDI environment. With EDI, you can use low-code environments to easily automate common file processing and sharing steps, saving time and effort.
EDI also eliminates the delays that are associated with paper-based communication methods. It provides instant delivery and exchange of business documents. The instant transmission of electronic documents enables quicker response times and faster decision-making.
Reduce errors
Because of EDI’s automatic processing, you can avoid manual data-entry errors. EDI can also help with the detection of errors and data anomalies in documents. A higher accuracy rate in documents further adds to data processing efficiency with this method.
Increase security
With EDI, you can better control user access and authentication. EDI uses a combination of authentication and encryption to control who can access certain files. The electronic system is much more secure than traditional paper-first methods.
Enhance connectivity
You can use cloud-native file transfer services to share large data sets quickly and easily with business partners, users, and vendors. EDI transactions can readily integrate into your business processes and augment connectivity in your company.
How does electronic data interchange work?
EDI works primarily by using two forms of transmission:
- A point-to-point or direct EDI connection connects two business systems with secure protocols
- The value-added network (VAN) method uses a third-party network that oversees the data transmission process
EDI software commonly uses a mailbox paradigm to facilitate document exchange and batch processing. Secure internet protocols such as Simple Object Access Protocol (SOAP), Secure File Transfer Protocol (SFTP), and HTTPS-based protocols such as AS2 are used to transmit EDI documents. Additionally, communication standards governed by various organizations—such as Accredited Standards Committee X12, Peppoi, and ODETTE—ensure a baseline level of data governance and enable high data quality in EDI transactions.
EDI software can also combine two or more data segments to provide greater context in the document. For example, EDI can combine the data elements ITEMQUANTITY and ITEMDESCRIPTION into ORDERLINE to comprehensively describe the items and quantities in an order. Data combinations provide richer context and streamline the structure of EDI documents.
The following image shows an example of EDI between two organizations: a provider and a payer.
What does implementation of electronic data interchange require?
The following are the three main steps to implement EDI for processing business documents.
Establish infrastructure
The first step requires a business to acquire and set up any EDI hardware and software components. These aspects manage transmission, integration, translation, and pathway mapping for EDI documents. EDI software ensures that any business documents are converted into the correct format. Common software components include:
- EDI mapping software that takes fields in a file, such as names and addresses, and then transfers them into standardized documents
- Batch enveloping and de-enveloping software for senders and receivers to receive, wrap, and unwrap transactions
- Message routing software to send messages, deliver them to the correct recipient addresses, and ensure that the message has a compatible format for the destination address
Typically, this step also involves setting up and connecting to VANs, which provide reliable and secure transfer pathways. If you want to manage EDI internally, you must ensure that you have the required hardware, such as network equipment, storage, and servers.
Establish connections
After you lay the technological foundations for your EDI system, you must connect to business partners. Because you’re processing and exchanging documents with these trading partners, you must implement EDI standards that facilitate a safe and secure connection.
Different industries and regions can each favor a distinct EDI standard format. You can configure your EDI system to use the same standards as your trading partners, facilitating the exchange of EDI documents. Configuration also includes setting up the VPNs, firewalls, or AS2 connections that you need to ensure a secure data transfer pathway.
Adhere to standards
Your EDI system must adhere to your industry’s required data protection regulations and standards. If any standards that you use have an update, you must adjust your system to maintain compliance. Equally, if your trading partners decide to change the standards they follow, you should be aware of their new specifications and be able to accommodate them.
What are the challenges of electronic data interchange solutions?
Businesses that want to implement an EDI solution might encounter the following common challenges.
Implementation costs
Using EDI in your business processes requires a substantial initial investment. You have to invest in hardware, software, and systems that follow regulatory standards. If you use a third-party EDI network provider, you also need to pay for those services. To ensure the success of integrating EDI, you must train your staff on EDI processes, approaches, standards, and software. Ongoing training also has a cost implication and requires that businesses establish accessible training resources.
Document mapping
Another challenge is effectively mapping the EDI format to existing documents. If you currently use multiple systems, you have to extensively test your data mapping to ensure accuracy. The process can be time-consuming and complex if you don’t have the expertise to oversee it.
Scaling challenges
After your EDI solutions are up and running, you might find it difficult to scale your system across all logistics partners and vendors. For example, purchase orders might have different business rules, data elements, and document fields depending on your trading partner. To scale your EDI system, you must adapt to the varying levels of EDI readiness across different vendors.
Ongoing monitoring
Inaccurate, incomplete, or inconsistent information hinders EDI solutions. You must continuously monitor EDI systems and current security standards to prevent possible disruptions, reduction in data quality, or noncompliance situations. To mitigate emerging compliance issues, you must allocate resources for regular audits, security assessments, and performance reviews.
