Transport information and control systems. Data interfaces between centres for transport information and control systems -- Message definition requirements
This part of ISOÂ 14827 defines the format that should be used to document those end-application messages that are to be exchanged between and among central systems. The format is protocol-independent to the extent practical. For example, this one format can be used to define data exchanges that may apply to DATEX-ASN, CORBA, or other application protocols.
In general, each system can be viewed as consisting of the interfaces as shown in Figure 1:
Figure 1 System interface

Key
| 1 | application interface |
| 2 | operator interface |
| 3 | communication interface |
| 4 | database interface |
| 5 | communications cloud |
| 6 | client system |
| 7 | server system |
NOTE The communications cloud between the systems may be complex or simple.
This part of ISOÂ 14827 deals only with the communication interface and is at a very high level. Other parts define how end-application messages can be exchanged using various application layer protocols.
While this part of ISOÂ 14827 has been designed to meet the unique requirements of a TICS environment, it has been designed in a generic fashion and thus could be used for other data exchanges as well.
| SDO | BSI: British Standards Institution |
| Document Number | ISO 14827-1 |
| Publication Date | Jan. 9, 2006 |
| Language | en - English |
| Page Count | |
| Revision Level | |
| Supercedes | |
| Committee | EPL/278 |
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