What is EDI?

Have you heard someone mention EDI (Electronicorders, late invoices, out-of-
Data Interchange) or eCommercestocks, etc.With the advent of secure Internet EDI,
and wondered what it was? Simply put, eCommercecompanies of every size are now able to
is the exchange of informationtransact electronically with their trading partners. And
about trading goods, services, or money fromVAN services such as
computer to computer. For example,"Message Disposition Notifications" (MDNs) are built
the purchase of a widget over the internet, paying aright into the software
bill, tracking an overnightproducts.Benefits of EDI
package delivery, or receiving a paycheckConsider a very simple non-EDI-based purchase: A
electronically.Now imagine you're a company. Youbuyer decides he needs 365
want to do the same transactions, butwidgets. He creates a purchase order, prints it out
thousands of time a day. That is where EDI steps in.and pops it in the mail. When
EDI is an agreed uponthe supplier gets the order, she types it into her
message standard that exchanges information fromcompany's computer system. The
one computer application toinventory guy pulls the order and ships out the
another with the minimum of human intervention.widgets. Next, the supplier prints
And 95% of all eCommerce usesout and mails an invoice. It's not hard to imagine that
EDI to exchange that information. It can be donethis process could take
with special software via e-mail,several days. EDI has the potential to cut massive
across the Internet, or by customized connections.amounts of time out of the
And it goes beyond justprocess. Sending documents, such as purchase
purchasing goods and submitting invoices. Aorders or invoices, electronically
company can request informationtakes minutes, not days, and shipments can often
about inventory levels in it's suppliers' and customers'go out the day the order comes
warehouses, receive an orderin.Moreover, the electronic format does not need to
status; and send funds electronically along withbe re-keyed upon arrival. And
automatic notification that anthat is the part of the biggest benefit of EDI. This
invoice was paid. These are just a few of the manysaves a tremendous amount of
types of automated transactionsEDI is not somethinglabor time, and means that no data entry errors are
new. As a matter of fact, it is much older than youintroduced into your system by
mightyour staff. Cycle times are reduced, and data entry
think. Yet to some industries it is only a few yearsbacklogs are almost completely
old. And the health industry ofeliminated. This allows for very quick order
the United States had to be mandated by theprocessing. A proper system can easily
Federal government before they daredhandle receiving an order and shipping that order
venture into EDI.Who uses EDI? And how andwith its invoice the same day.
where did it all start? What are the benefits? WhatStudies indicate that the average reduction in turn
arearound time is about 40% for
the costs? What are the legalities? And why, with allmost business functions like order fulfillment,
the apparent advantages, doprocurement, manufacturing,
some industries balk at switching to EDI? Well let'slogistics and finance.This often allows a company
start at the beginning to seethat first implements EDI to handle far greater
how it all came about.Who uses EDI?volumes
About 90% of the fortune 1000 companieswithout adding personnel and other costs. This
currently use EDI. Companies such asmeans increased sales and
American Airlines, BMW, Coca-Cola, Dunkin Donuts,increased revenues once the initial investment in EDI
Eastman Kodak, Federalis recaptured.
Express, Gordmans, Heinz, InFocus, JCPenney, Kohls,These savings come from:
Lowes, Macys, Nike,- No data entry errors from your operators
Openheimer, Prudential Insurance, Queens City- No mail time
Government, Radio Shack, Staples,- Reduced labor processing costs and time
Texaco, United Airlines, Verizon, Wachovia, and- Reduced lead times
Yokohama Tires to name but a few.- Reduced order cycle time
EDI is widely used in manufacturing, shipping,- Reduced inventory carrying costs
warehousing, utilities,- No filing and other processing of paperworkEDI
pharmaceuticals, construction, petroleum, metals,improves margins by meeting customer demands and
food processing, banking,consequently
insurance, retailing, government, health care, andstrengthening relationships. It also allows time and
textiles among other industries.Any company thateffort to be focused on other
buys or sells goods or services can potentially useinternal priorities.Studies have shown that processing
EDI. Because ita purchase order or invoice costs most
supports the entire business cycle, EDI cancompanies about $5 in paper, postage, handling,
streamline the relationship that anydirect labor and other such odds
company has with its customers, distributors,and ends of direct costs. With EDI this can be
suppliers, and so forth. According toreduced to about 50 cents;
a recent study, the number of companies using EDIsometimes as little as 13 cents, depending on how
is projected to quadruple withinthe EDI document is transmitted.
the next six years.History of EDIIf your direct handling costs are greater, the savings
The first recorded EDI dates back to the 1850sis greater.Another benefit is the implementation of
when the railroads and WesternJust-In-Time (JIT) order process
Union used the telegraph to communicate businessmethodology. With Just-in-Time, a company can
information. Starting there,avoid stock-outs and/or obsolete
Samuel Morse's patented code was the singleinventories, reduce lead times on ordering from
method used to communicate acrosssuppliers and reduce inventory
the lines.In 1948 during the Berlin Airlift, thousands ofcarrying costs. Whether implementing a subset or
tons of food and consumables werethe whole of JIT process
needed to be air freighted. The task of coordinatingmethodology, EDI is what makes Just-In-Time
these consignments (whichpossible and allows it to be feasible.
arrived with differing manifests, languages andWith the proper agreements between trading
numbers of copies) was addressedpartners, a manufacturer can
by devising a standard manifest.In the late 1950'sdetermine the current sales of their buyers and their
and early 1960's the rise of computer enabledbuyers' current inventory
companies to storelevels. Therefore the manufacturer can forecast
and process data electronically, companies neededprobable future sales and plan
an expedient method toproduction and their own purchasing accordingly.
communicate the data. This method was realized byObviously there will occasionally
the widespread use ofbe wild fluctuations that will disturb this scenario, but
computer telecommunications. Usingit does help the manufacturer
telecommunications, companies couldto accurately plan production, and the purchaser to
transmit data electronically over telephone lines, andknow that their needs will more
have the data input directlylikely be met by their suppliers.Just-In-Time helps the
into a trading partner's business application. Thesemanufacturer communicate quickly and inexpensively
electronic interchangeswith
improved response time, reduced paperwork, andtheir suppliers, who may be using the same
eliminated the potential forforecasting to meet the requirements of
transcription errors. Computer telecommunications,their customers.Disadvantages of EDI
however, only solved part ofThe biggest disadvantage implementing EDI is it
the problem.reveals inefficient business
Early electronic interchanges were based onpractices. If a company's business process was
proprietary formats agreed between twoinefficient before EDI, they will be
trading partners. Due to differing document formats,multiply with the implementation of EDI. The original
it was difficult for a companypurpose of EDI was to save
to exchange data electronically with many tradingmoney and time. When used improperly, EDI does
partners. What was needed was aneither, and actually wastes both.Costs of EDI
standard format for the data being exchanged. InPrices for EDI applications vary from free (for very
1968 the United Statessimple one-function products) to
Transportation Data Coordinating Committeeseveral thousands of dollars for full-function
(TDCC) was formed, to coordinate theapplications. The final price you pay
development of translation rules among four existingdepends upon several things:
sets of industry-specificThe Expected Volume of Electronic Documents.
standards.In the mid 1970's, it was clear that theGenerally speaking,
TDCC standards were not enough, and worklow cost EDI packages handle only a few
began for national EDI standards. The Electronicdocuments and trading partners. Midrange
Data Interchange AssociationEDI packages can be a little more expensive, but
(EDIA), a non-profit organization set out to serve ashandle a much larger volume of
an administrator for severalEDI. If you anticipate multiple documents or trading
different industry groups. Each industry served has apartners, a midrange EDI
committee to determine newsystem is a much better choice.The Amplitude of
standards, modify existing ones, and pass thethe EDI Translation Software. Some products look
information on to the EDIA forlike a bargain, but as your EDI needs grow, hidden
publication and distribution. EDIA was asked tocosts (such as having to
develop a set of standardspurchase new transaction sets) suddenly appear.
applicable to the grocery industry. The first suchYou may pay more for a program
standard is The Uniformwith an integrated mapper, but you'll avoid
Communication Standard (UCS) which was applied topurchasing overlays and maps in the
an actual transaction by thefuture.Implementation Time. Some applications are
Quaker Oats Company in 1981.In 1979 the Americaneasier to learn and use
National Standards Institute (ANSI) Accreditedthan others. But as above, the easier to lean the
Standardsless the software package can
Committee (ASC) was formed. It includedhandle. The more time you spend in training, the
representatives from transportation,more time it takes to get into
government & computer manufacturer industries,production mode. If your time frame is tight, and
The committee's first meetingyou are sure the documents you
took place in Rosslyn, Virginia with the goal towill be using are static, look for a translator that
create a set of standard data formatsdoesn't require training before
based on the TDCC structure that:implementation.
- were hardware independent;
- were unambiguous, such that they could be usedFees vary from Software Company to Software
by all trading partners;Company. Ignoring
- reduced the labor-intensive tasks of exchangingthe hidden costs mentioned above, you can expect
data (e.g., data re-entry);the following ongoing charges:
- allowed the sender of the data to control the
exchange, including knowing if andMaintenance Fees. Most companies charge an annual
when the recipient received the transaction.In 1982,maintenance
Version 1 of the ANSI ASC certified release of draftfee that is usually a percentage of the translator's
X.12 standards waslist price. This fee should include
published.At about the same time, the U.K.software updates, standards updates, technical
Department of Customs and Excise, with thesupport, and customer service.VAN Charges. If you
assistance of SITPRO (the British Simplification ofuse a Value Added Network (VAN), you will be
Trade Procedures Board), wasbilled for transmitting data similar to making a long
developing its own standards for documents used indistance phone call. Some also
international trade, calledbill you for connect time. A fast modem helps to
Tradacoms. These were later extended by thelower transmission costs.Mailbox Fee. Most VANs
United Nations Economic Commissioncharge a monthly fee for maintaining a
for Europe (UNECE) into what became known asmailbox on their network. Some base billing on the
the GTDI (General-purpose Tradedocument (25 cents per
Data Interchange standards), and were graduallydocument transmitted). Others charge based upon
accepted by some 2,000 Britishthe number of characters in each
exporting organizations.Problems created by thedocument.
trans-Atlantic use of two different (and largely
incompatible) sets of standardized documents haveEDI can at times take much longer than expected.
been addressed by theRemember, you are working with
formation of a United Nations Joint European andanother company and you have no control over
North American working partytheir priorities or business practices.
(UN-JEDI), which began the development of theYour priority may be to implement a Purchase Order
Electronic Data Interchange for(850) with Wal-mart, but their
Administration, Commerce and Transport (EDIFACT)priority may be implementing the Advance Ship
document translationNotice (856). You need to
standards.Early on, Value Added Networks (VANs)implement a Remittance Advice (820) with
served as an "electronic post office" forWachovia yet their Remittance Advice
buyers and suppliers that needed to exchange data.specialist is on Maternity leave and her replacement
For example, Company A couldonly knows Lockbox (823).Despite its few
send an electronic purchase order to the VAN anddisadvantages, EDI has proven to be a powerful
Company B could go to the VANbackbone that supports today's Electronic Commerce.
to pick it up. If Company B claimed it did not receiveCompanies all over the world utilize EDI's
the purchase order, the VANversatility and flexibility to communicate with each
would serve as a third-party intermediary and wouldother. And with the promise of
validate whether the purchasethe Web, which offers much lower connectivity
order had in fact been picked up or not. That is thecosts, and the lower costs of PCs and
type of "value-add" thesesimpler software, EDI is opening its doors to smaller
networks provided.Despite the benefits, VAN EDIcompanies. Moreover, XML, an
had limited adoption because it was cost-prohibitiveopen standard for sharing data, is starting to appear
for most companies to deploy. Before Internet EDIas a method of EDI coding
became available, approximatelystandards, which could provide technical clarity
80% of the suppliers in any given supply chain wereacross industries and nations
communicating with theiraround the world.Christopher Alexander is a lead
customers manually via fax, telephone and snail maildeveloper at CE InterWeb Solutions and a Managing
because they could not affordPartner at Consolidated Energies.He has been
the investment required for VAN EDI. This resulteddeveloping advanced eCommerce applications with
in inefficiencies throughout theEDI since 1997.
supply chain including: lost or mis-keyed purchase