This solution is used within the U.S.. It combines standards associated with US: TCIP with those for I–M: Secure Wireless Internet (ITS). The US: TCIP standards include upper–layer standards required to implement transit–related communications. The I–M: Secure Wireless Internet (ITS) standards include lower–layer standards that support secure communications between two entities, either or both of which may be mobile devices, but they must be stationary or only moving within wireless range of a single wireless access point (e.g., a parked car). Security is based on X.509 or IEEE 1609.2 certificates. A non–mobile (if any) endpoint may connect to the service provider using any Internet connection method.
| Level | DocNum | FullName | Description |
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| Mgmt | IETF RFC 3411 | An Architecture for Describing Simple Network Management Protocol (SNMP) Management Frameworks | This standard (RFC) defines the basic architecture for SNMPv3 and includes the definition of information objects for managing the SNMP entity's architecture. |
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| Mgmt | IETF RFC 3412 | Message Processing and Dispatching for the Simple Network Management Protocol (SNMP) | This standard (RFC) contains a MIB that assists in managing the message processing and dispatching subsystem of an SNMP entity. |
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| Mgmt | IETF RFC 3413 | Simple Network Management Protocol (SNMP) Applications | This standard (RFC) includes MIBs that allow for the configuration and management of remote Targets, Notifications, and Proxys. |
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| Mgmt | IETF RFC 3414 | User–based Security Model (USM) for version 3 of the Simple Network Management Protocol (SNMPv3) | This standard (RFC) contains a MIB that assists in configuring and managing the user–based security model. |
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| Mgmt | IETF RFC 3415 | View–based Access Control Model (VACM) for the Simple Network Management Protocol (SNMP) | This standard (RFC) contains a MIB that supports the configuration and management of the View–based access control model of SNMP. |
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| Mgmt | IETF RFC 3416 | Version 2 of the Protocol Operations for the Simple Network Management Protocol (SNMP) | This standard (RFC) defines the message structure and protocol operations used by SNMPv3. |
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| Mgmt | IETF RFC 3418 | Management Information Base (MIB) for the Simple Network Management Protocol (SNMP) | This standard (RFC) defines the MIB to configure and manage an SNMP entity. |
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| Mgmt | IETF RFC 4293 | Management Information Base for the Internet Protocol (IP) | This standard (RFC) defines the MIB that manages an IP entity. |
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| Security | IETF RFC 5280 | Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile | This standard (RFC) defines how to use X.509 certificates for secure communications over the Internet. |
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| Security | IETF RFC 8446 | The Transport Layer Security (TLS) Protocol | This standard (RFC) specifies Version 1.3 of the Transport Layer Security (TLS) protocol. The TLS protocol provides communications security over the Internet. The protocol allows client/server applications to communicate in a way that is designed to prevent eavesdropping, tampering, or message forgery. |
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| ITS Application Entity | APTA TCIP–S–001 Vol 2 | Transit Communications Interface Profiles – TCIP Data and Dialog Definitions | This standard defines the data concepts used by the TCIP standard. |
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| Facilities | W3C XML | Extensible Markup Language (XML) 1.0 (Fifth Edition) | This standard defines a generic markup language that can be used to share customizable information by using start and stop tags within the text. |
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| Facilities | APTA TCIP–S–001 Vol 2 | Transit Communications Interface Profiles – TCIP Data and Dialog Definitions | This standard defines the data concepts used by the TCIP standard. |
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| TransNet | IETF RFC 2460 | Internet Protocol, Version 6 (IPv6) Specification | This standard (RFC) specifies version 6 of the Internet Protocol (IPv6), also sometimes referred to as IP Next Generation or IPng. |
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| TransNet | IETF RFC 4291 | IP Version 6 Addressing Architecture | This standard (RFC) defines the addressing architecture of the IP Version 6 (IPv6) protocol. It includes the IPv6 addressing model, text representations of IPv6 addresses, definition of IPv6 unicast addresses, anycast addresses, and multicast addresses, and an IPv6 node's required addresses. |
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| TransNet | IETF RFC 4443 | Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6) Specification | This standard (RFC) defines the control messages to manage IPv6. |
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| TransNet | IETF RFC 793 | Transmission Control Protocol | This standard (RFC) defines the main connection–oriented Transport Layer protocol used on Internet–based networks. |
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| Access | 3GPP Network | 3GPP Cellular Communications Network | This proxy standard represents a variety of 3GPP releases and underlying standards and technologies that rely upon cellular base stations for connectivity, including 3G, 4G, and the emerging 5G technologies. |
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Multiple significant and 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. Some solutions in this category may also be becoming obsolete from an interoperability perspective and if this is the case, then upgrades should be planned as soon as possible. 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.
| Issue | Severity | Description | Associated Standard | Associated Triple |
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| Encoding rules not defined | High | The standards do not unambiguously define which set of encoding rules to use. | (None) | (All) |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | University of Akron Roo Express Dispatch Center=>transit vehicle operator information=>University of Akron Roo Express Shuttle Service Vehicles |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | PARTA Paratransit Dispatch=>transit vehicle operator information=>PARTA Paratransit Vehicles |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | PARTA Fixed–Route Dispatch=>transit vehicle operator information=>PARTA Fixed–Route Vehicles |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | METRO RTA Paratransit Dispatch=>transit vehicle operator information=>METRO RTA Paratransit Vehicles |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | METRO RTA Paratransit Dispatch=>transit vehicle operator information=>METRO RTA Fixed–Route Vehicles |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | METRO RTA Fixed–Route Dispatch=>transit vehicle operator information=>METRO RTA Fixed–Route Vehicles |
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| Out of date (medium) | Medium | The standard includes normative references to other standards that have been subject to significant changes that can impact interoperability or security of systems and the industry has not specified if and how these updates should be implemented for deployments of this standard. | TCIP – Data | (All) |
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| Secure data access not provided | Medium | The solution does not define rules on how the application entity authenticates requests to accept or provide data. | (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. | TCIP – Data | (All) |
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| Source | Destination | Flow |
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| METRO RTA Fixed–Route Dispatch | METRO RTA Fixed–Route Vehicles | alarm acknowledge |
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| METRO RTA Fixed–Route Dispatch | METRO RTA Fixed–Route Vehicles | connection protection instructions |
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| METRO RTA Fixed–Route Dispatch | METRO RTA Fixed–Route Vehicles | fare management information |
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| METRO RTA Fixed–Route Dispatch | METRO RTA Fixed–Route Vehicles | transit vehicle operator information |
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| METRO RTA Fixed–Route Vehicles | METRO RTA Fixed–Route Dispatch | alarm notification |
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| METRO RTA Fixed–Route Vehicles | METRO RTA Fixed–Route Dispatch | demand response passenger and use data |
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| METRO RTA Fixed–Route Vehicles | METRO RTA Fixed–Route Dispatch | fare collection data |
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| METRO RTA Fixed–Route Vehicles | METRO RTA Fixed–Route Dispatch | transit vehicle conditions |
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| METRO RTA Fixed–Route Vehicles | METRO RTA Fixed–Route Dispatch | transit vehicle loading data |
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| METRO RTA Fixed–Route Vehicles | METRO RTA Paratransit Dispatch | demand response passenger and use data |
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| METRO RTA Fixed–Route Vehicles | METRO RTA Paratransit Dispatch | transit vehicle loading data |
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| METRO RTA Paratransit Dispatch | METRO RTA Fixed–Route Vehicles | connection protection instructions |
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| METRO RTA Paratransit Dispatch | METRO RTA Fixed–Route Vehicles | transit vehicle operator information |
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| METRO RTA Paratransit Dispatch | METRO RTA Paratransit Vehicles | alarm acknowledge |
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| METRO RTA Paratransit Dispatch | METRO RTA Paratransit Vehicles | connection protection instructions |
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| METRO RTA Paratransit Dispatch | METRO RTA Paratransit Vehicles | transit vehicle operator information |
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| METRO RTA Paratransit Vehicles | METRO RTA Paratransit Dispatch | alarm notification |
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| METRO RTA Paratransit Vehicles | METRO RTA Paratransit Dispatch | demand response passenger and use data |
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| METRO RTA Paratransit Vehicles | METRO RTA Paratransit Dispatch | transit vehicle loading data |
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| PARTA Fixed–Route Dispatch | PARTA Fixed–Route Vehicles | alarm acknowledge |
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| PARTA Fixed–Route Dispatch | PARTA Fixed–Route Vehicles | connection protection instructions |
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| PARTA Fixed–Route Dispatch | PARTA Fixed–Route Vehicles | fare management information |
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| PARTA Fixed–Route Dispatch | PARTA Fixed–Route Vehicles | transit vehicle operator information |
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| PARTA Fixed–Route Vehicles | PARTA Fixed–Route Dispatch | alarm notification |
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| PARTA Fixed–Route Vehicles | PARTA Fixed–Route Dispatch | demand response passenger and use data |
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| PARTA Fixed–Route Vehicles | PARTA Fixed–Route Dispatch | fare collection data |
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| PARTA Fixed–Route Vehicles | PARTA Fixed–Route Dispatch | transit vehicle conditions |
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| PARTA Fixed–Route Vehicles | PARTA Fixed–Route Dispatch | transit vehicle loading data |
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| PARTA Paratransit Dispatch | PARTA Paratransit Vehicles | alarm acknowledge |
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| PARTA Paratransit Dispatch | PARTA Paratransit Vehicles | connection protection instructions |
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| PARTA Paratransit Dispatch | PARTA Paratransit Vehicles | fare management information |
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| PARTA Paratransit Dispatch | PARTA Paratransit Vehicles | transit vehicle operator information |
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| PARTA Paratransit Vehicles | PARTA Paratransit Dispatch | alarm notification |
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| PARTA Paratransit Vehicles | PARTA Paratransit Dispatch | demand response passenger and use data |
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| PARTA Paratransit Vehicles | PARTA Paratransit Dispatch | fare collection data |
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| PARTA Paratransit Vehicles | PARTA Paratransit Dispatch | transit vehicle conditions |
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| PARTA Paratransit Vehicles | PARTA Paratransit Dispatch | transit vehicle loading data |
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| University of Akron Roo Express Dispatch Center | University of Akron Roo Express Shuttle Service Vehicles | connection protection instructions |
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| University of Akron Roo Express Dispatch Center | University of Akron Roo Express Shuttle Service Vehicles | transit vehicle operator information |
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| University of Akron Roo Express Shuttle Service Vehicles | University of Akron Roo Express Dispatch Center | demand response passenger and use data |
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| University of Akron Roo Express Shuttle Service Vehicles | University of Akron Roo Express Dispatch Center | transit vehicle loading data |
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