US: SAE Other J2735 - Secure Internet (ITS)
Description
This solution is used within the U.S.. It combines standards associated with US: SAE Other J2735 with those for I–I: Secure Internet (ITS). The US: SAE Other J2735 standards include upper–layer standards required to implement V2X information flows that do not yet have fully specified functionality and performance charcateristics. The I–I: Secure Internet (ITS) standards include lower–layer standards that support secure communications between ITS equipment using X.509 or IEEE 1609.2 security certificates.
Includes Standards
| Level | DocNum | FullName | Description |
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| ITS Application Entity | SAE J2735 | Dedicated Short Range Communications (DSRC) Message Set Dictionary (TM) | This standard defines the data and messages for use in DSRC (i.e., V2V, V2I, and V2D) applications. The SAE J2945 series defines additional requirements on how to use these messages. |
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| Facilities | SAE J2735 | Dedicated Short Range Communications (DSRC) Message Set Dictionary (TM) | This standard defines the data and messages for use in DSRC (i.e., V2V, V2I, and V2D) applications. The SAE J2945 series defines additional requirements on how to use these messages. |
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| Access | | Internet Subnet Alternatives | A set of alternative standards that includes any Subnet Layer method of connecting to the Internet. |
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Readiness: Moderate
Readiness Description
Two significant or one significant and several minor issues. For existing deployments, the chosen solution is likely deficient in security or management capabilities and the issues should be reviewed and upgrades developed as needed. For new deployments, the solution may be viable for pilots when applied to the triples it supports; such pilot deployments should consider a path to addressing these issues as a part of their design activities. The solution does not provide sufficient interoperability, management, and security to enable proper, full–scale deployment without additional work.
Issues
| Issue | Severity | Description | Associated Standard | Associated Triple |
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| Application specification not defined | High | The logic, performance, and application security rules are not defined for this information flow. | (None) | (All) |
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| Data not defined in standard format | Low | The definition of data concepts should conform to ISO 14817–1 to promote reuse among ITS. | SAE J2735 DSRC Message Set | (All) |
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Supports Interfaces
| Source | Destination | Flow |
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| Cincinnati Traffic Control Center | City and County Connected Vehicle Roadside Equipment | road weather advisory info |
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| City and County Traffic Control Center | City and County Connected Vehicle Roadside Equipment | road weather advisory info |
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| Hamilton County Signal Operations | City and County Connected Vehicle Roadside Equipment | road weather advisory info |
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| INDOT Traffic Operations Center | INDOT Connected Vehicle RSE | road weather advisory info |
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| KYTC District 6 Traffic Operations Center | ODOT / KYTC Connected Vehicle Roadside Equipment | road weather advisory info |
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| ODOT ATMS | INDOT Connected Vehicle RSE | road weather advisory info |
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| ODOT ATMS | ODOT / KYTC Connected Vehicle Roadside Equipment | road weather advisory info |
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| Other City and County Traffic Control Centers | City and County Connected Vehicle Roadside Equipment | road weather advisory info |
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| Private Map Update Systems | City and County Connected Vehicle Roadside Equipment | intersection geometry |
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| Private Map Update Systems | CVG Airport Connected Vehicle Roadside Equipment | intersection geometry |
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| Private Map Update Systems | INDOT Connected Vehicle RSE | intersection geometry |
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| Private Map Update Systems | ODOT / KYTC Connected Vehicle Roadside Equipment | intersection geometry |
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| TRIMARC (KYTC) | ODOT / KYTC Connected Vehicle Roadside Equipment | road weather advisory info |
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