2. Value Added Data Services
• VADS provides “Time Independence” and
“Protocol Independence”
• It provides number of facilities but the main
thing is “Postboxes” and “Mailboxes”
• It is POST and FORWARD network
3. VADS
• Postbox – Where outgoing messages are
placed
• Mailboxes – Where incoming messages are
picked up.
• It is also referred as “Store and Forward”
system
5. VADS – How it works
• Establish connection to VADS system
• Send EDI message to postbox (selling)
• VADS inspects postbox, unpacks the message,
moves it to related recipients mailbox
• VADS carries frequent inspection of postboxes
• Supplier inspects the mailboxes and transmits
valid orders to their order processing system
6. Advantages of VADS
• Large trading Community
• Inter-network Connections
• International Connections
• Privacy, Security & Reliability
• Message storage and logging
• Charges
– Subscription
– Usage Charges
7. EDI Technical Set-up
Trading EDI Interchange Agreement
Trading
Partner Partner
App. App. System
System
EDI S/w and VADS
EDI S/w and
standards standards
8. EDI Security
• Interchange of message is reliable
• All the data received on EDI machine is passed
and processed
• EDI software is run on separate machine
• Protection against tampering
• Privacy of message
• Validation of message delivery
