What is OFTP2?

Overview

The ODETTE File Transfer Protocol 2 (short: OFTP2) evolved 2007 from the earlier OFTP1 and serves for the exchange of Electronic Data Interchange (EDI) messages. It is based on the TCP/IP protocol and is mainly used in the automotive industry.

 

Characteristics of OFTP2

  • Multifunctional: supports transmission of technical data as well as commercial information
  • Network independent: works over any IP-based network (including the public Internet)
  • Traceability: has traceability, receipt and non-repudiation functions
  • Cost-effective: Implementation and use does not require high effort or usage fees
  • Large file size: The transfer of large amounts of data is possible by file compression (e.g. with CAD data)

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Areas of use of OFTP2

OFTP2 is mainly used by the automotive industry for Electronic Data Interchange (EDI) in Europe. These include BMW, Audi, Daimler, Ford, Opel, Volkswagen and Skoda.

 

OFTP2 Security

OFTP2 is considered to be a secure protocol:

  • Safety of the transport layer
  • data encryption
  • partner authentication
  • non-repudiation

Addressing is done via the Odette-ID SSID (Start Session ID) and the SSID (Start File ID). The protocol is regularly checked and improved by the Odette OFTP2 expert group, so that OFTP2 is always up to the latest security standard.

 

Certifications

Digital certificates are used when exchanging secure electronic messages over the Internet. These are primarily used to ensure the authenticity and integrity of the data and to protect the content by means of encryption. There are several issuers of certificates that must be listed in a special list (TSL: Trust Service Status List). This list signals that they can ensure the defined IT standards. OFTP2 offers three mechanisms for certificate generation:

  • Self issued certificates: generated by the partner itself
  • Certificates from an authorized body: Partner receives the signed certificate from an authorized body
  • Jointly created certificates: Partner sends a certificate that is checked and returned by the recipient

Typically certificates signed by an authorized authority are used.

 

Comparison OFTP1 and OFTP2

OFTP1 is based on an ISDN- or an unencrypted TCP/IP connection, therefore telephone charges are incurred for the communication or the confidentiality of the transmission is not ensured. In comparison, OFTP2 is encrypted via the TCP/IP protocol, so there are no telephone charges, as the exchange of messages is handled via the Internet and security is accordingly higher.

OFTP1 over ISDN was widely used. In the course of the ISDN switch-off by Deutsche Telekom, most OFTP1 connections will be switched to OFTP2 by the end of 2018.

 

What do I need for an OFTP2 connection?

There are two different ways to establish an OFTP2 connection or to send messages to the partner via OFTP2.

  1. Software in own operation:
    This means the purchase and operation of an own OFTP2 software. However, this option is only suitable for larger companies that have the appropriate EDI know-how. Furthermore you need an internet connection, an ODETTE-ID and a certificate.
     
  2. Cloud:
    The use of an EDI service provider. The advantage is that you do not have to worry about the data exchange in detail. The SEEBURGER Cloud can be used for OFTP2 data exchange.

Use the advantages of OFTP2 also in your company!

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