What is EDI EDI is the application system to

application system transfer of business data from one organization to another in a structured data format. and communication formats such as: VANs, Internet, direct.

Traditional Paper-Based Business

Electronic Data Interchange

Trans Global Logistics

EDI StandardThe ANSI ASC X12 StandardsThe ANSI ASC X12 Standards• The X12 standard defined a set of documents, which

referred as transaction sets.

• The common documents and their corresponding transaction set numbers: 850 P.O, 810 Invoice, 855 P.O. Ack., 856 Ship Notice

EDIFACT StandardsEDIFACT Standards• A combination of the ASC X12 standards and the

Trade Data Interchange (TDI) standards developed in United Kingdom and used throughout Europe.

ST*856*0168~BSN*02*20000801HKG165034*20000801*092604**NO~DTM*601*20000801*0926*LT~HL*1**S~REF*AW*93331211283~DTM*370*20000728*0926*LT~DTM*371*20000728*0926*LT~YNQ*QK*N~V1*AIR*NIPPON CARGO AIRLINES**KZ452*KZ****A~R4*L*IA*HKG~HL*2*1*E~TD1*CTN *664*******52.00*CR~TD3*AF*HKG*HKG165034*G*5894*KG~REF*PR*AF~SAC*C*D240**********06~HL*3*2*O~SE*544*0168~

•The bracket emphasizes an entire transaction set.

•The green area “BSN*02* “shows a complete segment.•The blue area “0926” shows a single element.

•The red area "ST" denotes a Segment ID.

Structure of EDI Transaction

•Each element including the Segment ID is separated by Each element including the Segment ID is separated by a character called a delimiter.a character called a delimiter.• Each segment ends with a character called a segment Each segment ends with a character called a segment terminatorterminator• Each transmission can be broken down into five Each transmission can be broken down into five distinct areas:distinct areas:

•Communications Transport Protocol, Interchange Control Wrap (ISA & IEA)•Functional Group Wrap (GS & GE)•Transaction Set Wrap (ST & SE), and the body of the transaction

•A transaction can also be broken down into four A transaction can also be broken down into four distinct areas: envelope, header, detail, and summary distinct areas: envelope, header, detail, and summary informationinformation

Structure of EDI Transaction

How EDI Work

1. Preparation of electronic documents1. Preparation of electronic documents

• Collection of information and data. For example HAWB, Packing List…etc.

2. Outbound translation2. Outbound translation• Translate the database into a standard format Translate the database into a standard format

according to the specification of the according to the specification of the corresponding document.corresponding document.

How EDI Work

3. Communication3. Communication• Connect and transmit data files to the pre-Connect and transmit data files to the pre-

arranged VAN automatically.arranged VAN automatically.• Each file should be route to the appropriate e-Each file should be route to the appropriate e-

mail boxes according to the destination set in mail boxes according to the destination set in the file.the file.

4. Inbound translation4. Inbound translation• The trading partner retrieve the file from their The trading partner retrieve the file from their

e-mail boxes in a constant period.e-mail boxes in a constant period.• Translating the file from the standard format Translating the file from the standard format

into the specific format.into the specific format.

EDI Operation Flow

PO 850

Shipment Data Translation

856

214

Customer

EDI System

TGL EDI/Application Server

Pick PO

EDI Server

Customer and related parties

997

997

Flat File

Web EDI Less expensive to implement Based on ubiquitous browser

technology and formats

Web EDI ExampleTrans Global Logistics

EDI Translator• EDI translators are used to interface the files received in standard

format with internal applications. Translators provide for scheduling of processes, mapping, and communications. TGAX currently uses STX for DOS and GENTRAN Server for NT

Gentran: Server for Windows NTGentran: Server for Windows NT

• Electronic commerce solution deployable in WINS NT /2000 client/server environment

• Provide a graphical user interface

• Majors components include mapping utilities, partner configuration utility, data translator, message management subsystems, process control.

EDI Architecture