What is EDI?

Have you heard someone mention EDI (Electronic80% of the suppliers in any given supply chain were
Data Interchange) or eCommerceand wonderedcommunicating with theircustomers manually via fax,
what it was? Simply put, eCommerce is thetelephone and snail mail because they could not
exchange of informationabout trading goods,affordthe investment required for VAN EDI. This
services, or money from computer to computer. Forresulted in inefficiencies throughout thesupply chain
example,the purchase of a widget over the internet,including: lost or mis-keyed purchase orders, late
paying a bill, tracking an overnightpackage delivery, orinvoices, out-of-stocks, etc.
receiving a paycheck electronically.With the advent of secure Internet EDI, companies
Now imagine you're a company. You want to do theof every size are now able totransact electronically
same transactions, butthousands of time a day. Thatwith their trading partners. And VAN services such as
is where EDI steps in. EDI is an agreed uponmessage"Message Disposition Notifications" (MDNs) are built
standard that exchanges information from oneright into the softwareproducts.
computer application toanother with the minimum ofBenefits of EDI
human intervention. And 95% of all eCommerce usesConsider a very simple non-EDI-based purchase: A
EDI to exchange that information. It can be donebuyer decides he needs 365widgets. He creates a
with special software via e-mail,across the Internet,purchase order, prints it out and pops it in the mail.
or by customized connections. And it goes beyondWhenthe supplier gets the order, she types it into
justpurchasing goods and submitting invoices. Aher company's computer system. Theinventory guy
company can request informationabout inventorypulls the order and ships out the widgets. Next, the
levels in it's suppliers' and customers' warehouses,supplier printsout and mails an invoice. It's not hard to
receive an orderstatus; and send funds electronicallyimagine that this process could takeseveral days. EDI
along with automatic notification that aninvoice washas the potential to cut massive amounts of time out
paid. These are just a few of the many types ofof theprocess. Sending documents, such as purchase
automated transactionsorders or invoices, electronicallytakes minutes, not
EDI is not something new. As a matter of fact, it isdays, and shipments can often go out the day the
much older than you mightthink. Yet to someorder comesin.
industries it is only a few years old. And the healthMoreover, the electronic format does not need to be
industry ofthe United States had to be mandated byre-keyed upon arrival. Andthat is the part of the
the Federal government before they daredventurebiggest benefit of EDI. This saves a tremendous
into EDI.amount oflabor time, and means that no data entry
Who uses EDI? And how and where did it all start?errors are introduced into your system byyour staff.
What are the benefits? What arethe costs? WhatCycle times are reduced, and data entry backlogs are
are the legalities? And why, with all the apparentalmost completelyeliminated. This allows for very
advantages, dosome industries balk at switching toquick order processing. A proper system can
EDI? Well let's start at the beginning to seehow it alleasilyhandle receiving an order and shipping that order
came about.with its invoice the same day.
Who uses EDI?Studies indicate that the average reduction in turn
About 90% of the fortune 1000 companies currentlyaround time is about 40% formost business functions
use EDI. Companies such aslike order fulfillment, procurement,
American Airlines, BMW, Coca-Cola, Dunkin Donuts,manufacturing,logistics and finance.
Eastman Kodak, FederalThis often allows a company that first implements
Express, Gordmans, Heinz, InFocus, JCPenney, Kohls,EDI to handle far greater volumeswithout adding
Lowes, Macys, Nike,personnel and other costs. This means increased
Openheimer, Prudential Insurance, Queens Citysales andincreased revenues once the initial
Government, Radio Shack, Staples,investment in EDI is recaptured.
Texaco, United Airlines, Verizon, Wachovia, andThese savings come from:o No data entry errors
Yokohama Tires to name but a few.from your operatorso No mail timeo Reduced labor
EDI is widely used in manufacturing, shipping,processing costs and timeo Reduced lead timeso
warehousing, utilities,pharmaceuticals, construction,Reduced order cycle timeo Reduced inventory
petroleum, metals, food processing, banking,insurance,carrying costso No filing and other processing of
retailing, government, health care, and textiles amongpaperwork
other industries.EDI improves margins by meeting customer demands
Any company that buys or sells goods or servicesand consequentlystrengthening relationships. It also
can potentially use EDI. Because itsupports the entireallows time and effort to be focused on otherinternal
business cycle, EDI can streamline the relationshippriorities.
that anycompany has with its customers, distributors,Studies have shown that processing a purchase order
suppliers, and so forth. According toa recent study,or invoice costs mostcompanies about $5 in paper,
the number of companies using EDI is projected topostage, handling, direct labor and other such
quadruple withinthe next six years.oddsand ends of direct costs. With EDI this can be
History of EDIreduced to about 50 cents;sometimes as little as 13
The first recorded EDI dates back to the 1850scents, depending on how the EDI document is
when the railroads and Westerntransmitted.
Union used the telegraph to communicate businessIf your direct handling costs are greater, the savings
information. Starting there,is greater.
Samuel Morse's patented code was the singleAnother benefit is the implementation of Just-In-Time
method used to communicate acrossthe lines.(JIT) order processmethodology. With Just-in-Time, a
In 1948 during the Berlin Airlift, thousands of tons ofcompany can avoid stock-outs and/or
food and consumables wereneeded to be airobsoleteinventories, reduce lead times on ordering
freighted. The task of coordinating thesefrom suppliers and reduce inventorycarrying costs.
consignments (whicharrived with differing manifests,Whether implementing a subset or the whole of JIT
languages and numbers of copies) was addressedbyprocessmethodology, EDI is what makes
devising a standard manifest.Just-In-Time possible and allows it to be feasible.
In the late 1950's and early 1960's the rise ofWith the proper agreements between trading
computer enabled companies to storeand processpartners, a manufacturer candetermine the current
data electronically, companies needed an expedientsales of their buyers and their buyers' current
method tocommunicate the data. This method wasinventorylevels. Therefore the manufacturer can
realized by the widespread use ofcomputerforecast probable future sales and planproduction and
telecommunications. Using telecommunications,their own purchasing accordingly. Obviously there will
companies couldtransmit data electronically overoccasionallybe wild fluctuations that will disturb this
telephone lines, and have the data input directlyinto ascenario, but it does help the manufacturerto
trading partner's business application. These electronicaccurately plan production, and the purchaser to
interchangesimproved response time, reducedknow that their needs will morelikely be met by their
paperwork, and eliminated the potentialsuppliers.
fortranscription errors. Computer telecommunications,Just-In-Time helps the manufacturer communicate
however, only solved part ofthe problem.quickly and inexpensively withtheir suppliers, who may
Early electronic interchanges were based onbe using the same forecasting to meet the
proprietary formats agreed between twotradingrequirements oftheir customers.
partners. Due to differing document formats, it wasDisadvantages of EDI
difficult for a companyto exchange data electronicallyThe biggest disadvantage implementing EDI is it
with many trading partners. What was needed wasreveals inefficient businesspractices. If a company's
astandard format for the data being exchanged. Inbusiness process was inefficient before EDI, they will
1968 the United Statesbemultiply with the implementation of EDI. The original
Transportation Data Coordinating Committee (TDCC)purpose of EDI was to savemoney and time. When
was formed, to coordinate thedevelopment ofused improperly, EDI does neither, and actually
translation rules among four existing sets ofwastes both.
industry-specificstandards.Costs of EDI
In the mid 1970's, it was clear that the TDCCPrices for EDI applications vary from free (for very
standards were not enough, and workbegan forsimple one-function products) toseveral thousands of
national EDI standards. The Electronic Datadollars for full-function applications. The final price you
Interchange Associationpaydepends upon several things:
(EDIA), a non-profit organization set out to serve as- The Expected Volume of Electronic Documents.
an administrator for severaldifferent industry groups.Generally speaking, low cost EDI packages handle
Each industry served has a committee to determineonly a few documents and trading partners. Midrange
newstandards, modify existing ones, and pass theEDI packages can be a little more expensive, but
information on to the EDIA forpublication andhandle a much larger volume of EDI. If you anticipate
distribution. EDIA was asked to develop a set ofmultiple documents or trading partners, a midrange
standardsapplicable to the grocery industry. The firstEDI system is a much better choice.
such standard is The Uniform- The Amplitude of the EDI Translation Software.
Communication Standard (UCS) which was applied toSome products look like a bargain, but as your EDI
an actual transaction by theneeds grow, hidden costs (such as having to
Quaker Oats Company in 1981.purchase new transaction sets) suddenly appear. You
In 1979 the American National Standards Institutemay pay more for a program with an integrated
(ANSI) Accredited Standardsmapper, but you'll avoid purchasing overlays and
Committee (ASC) was formed. It includedmaps in the future.
representatives from transportation,government- Implementation Time. Some applications are easier
& computer manufacturer industries, Theto learn and use than others. But as above, the
committee's first meetingtook place in Rosslyn,easier to lean the less the software package can
Virginia with the goal to create a set of standardhandle. The more time you spend in training, the
data formatsbased on the TDCC structure that:more time it takes to get into production mode. If
- were hardware independent;your time frame is tight, and you are sure the
- were unambiguous, such that they could be useddocuments you will be using are static, look for a
by all trading partners;translator that doesn't require training before
- reduced the labor-intensive tasks of exchangingimplementation.
data (e.g., data re-entry);Fees vary from Software Company to Software
- allowed the sender of the data to control theCompany. Ignoringthe hidden costs mentioned above,
exchange, including knowing if andwhen the recipientyou can expect the following ongoing charges:
received the transaction.- Maintenance Fees. Most companies charge an annual
In 1982, Version 1 of the ANSI ASC certified releasemaintenance fee that is usually a percentage of the
of draft X.12 standards waspublished.translator's list price. This fee should include software
At about the same time, the U.K. Department ofupdates, standards updates, technical support, and
Customs and Excise, with theassistance of SITPROcustomer service.
(the British Simplification of Trade Procedures Board),- VAN Charges. If you use a Value Added Network
wasdeveloping its own standards for documents(VAN), you will be billed for transmitting data similar
used in international trade, calledto making a long distance phone call. Some also bill
Tradacoms. These were later extended by theyou for connect time. A fast modem helps to lower
United Nations Economic Commissionfor Europetransmission costs.
(UNECE) into what became known as the GTDI- Mailbox Fee. Most VANs charge a monthly fee for
(General-purpose Trademaintaining a mailbox on their network. Some base
Data Interchange standards), and were graduallybilling on the document (25 cents per document
accepted by some 2,000 Britishexportingtransmitted). Others charge based upon the number
organizations.of characters in each document.
Problems created by the trans-Atlantic use of twoEDI can at times take much longer than expected.
different (and largelyincompatible) sets ofRemember, you are working withanother company
standardized documents have been addressed byand you have no control over their priorities or
theformation of a United Nations Joint European andbusiness practices.
North American working partyYour priority may be to implement a Purchase Order
(UN-JEDI), which began the development of the(850) with Wal-mart, but theirpriority may be
Electronic Data Interchange forimplementing the Advance Ship Notice (856). You
Administration, Commerce and Transport (EDIFACT)need toimplement a Remittance Advice (820) with
document translationstandards.Wachovia yet their Remittance Advicespecialist is on
Early on, Value Added Networks (VANs) served asMaternity leave and her replacement only knows
an "electronic post office" forbuyers and suppliersLockbox (823).
that needed to exchange data. For example,Despite its few disadvantages, EDI has proven to be
Company A couldsend an electronic purchase ordera powerful backbone that supports today's Electronic
to the VAN and Company B could go to the VANtoCommerce. Companies all over the world utilize
pick it up. If Company B claimed it did not receive theEDI'sversatility and flexibility to communicate with
purchase order, the VANwould serve as a third-partyeach other. And with the promise ofthe Web, which
intermediary and would validate whether theoffers much lower connectivity costs, and the lower
purchaseorder had in fact been picked up or not.costs of PCs andsimpler software, EDI is opening its
That is the type of "value-add" thesenetworksdoors to smaller companies. Moreover, XML, anopen
provided.standard for sharing data, is starting to appear as a
Despite the benefits, VAN EDI had limited adoptionmethod of EDI codingstandards, which could provide
because it was cost-prohibitivefor most companies totechnical clarity across industries and nationsaround
deploy. Before Internet EDI became available,the world.
approximately