This solution is used within Australia, the E.U. and the U.S.. It combines standards associated with TUF with those for I–I: Secure Internet (ITS). The TUF standards include upper–layer standards required to install and update application software. 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.
| 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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| Security | TUF | The Update Framework | The Update Framework (TUF) specification helps developers maintain the security of a software update system, even against attackers that compromise the repository or signing keys. TUF provides a flexible framework and specification that developers can adopt into any software update system. |
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| ITS Application Entity | No Standard Needed | No Standard Needed | The services related to this portion of the stack are not critical within the scope of this solution. |
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| Facilities | TUF | The Update Framework | The Update Framework (TUF) specification helps developers maintain the security of a software update system, even against attackers that compromise the repository or signing keys. TUF provides a flexible framework and specification that developers can adopt into any software update system. |
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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 | | Internet Subnet Alternatives | A set of alternative standards that includes any Subnet Layer method of connecting to the Internet. |
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One significant or possibly a couple minor issues. For existing deployments, the chosen solution likely has identified security or management issues not addressed by the communications solution. Deployers should consider additional security measures, such as communications link and physical security as part of these solutions. They should also review the management issues to see if they are relevant to their deployment and would require mitigation. For new deployments, the deployment efforts should consider a path to addressing these issues as a part of their design activities. The solution does not by itself provide a fully secure implementation without additional work.
| Source | Destination | Flow |
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| City of Akron Maintenance Dispatch | County and City Connected Vehicles Roadside Equipment | RSE application install/upgrade |
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| City of Barberton Maintenance Dispatch | County and City Connected Vehicles Roadside Equipment | RSE application install/upgrade |
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| City of Cuyahoga Falls Maintenance Dispatch | County and City Connected Vehicles Roadside Equipment | RSE application install/upgrade |
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| City of Green Maintenance Dispatch | County and City Connected Vehicles Roadside Equipment | RSE application install/upgrade |
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| City of Hudson Maintenance Dispatch | County and City Connected Vehicles Roadside Equipment | RSE application install/upgrade |
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| City of Kent Maintenance Dispatch | County and City Connected Vehicles Roadside Equipment | RSE application install/upgrade |
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| City of Stow Maintenance Dispatch | County and City Connected Vehicles Roadside Equipment | RSE application install/upgrade |
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| City of Twinsburg Maintenance Dispatch | County and City Connected Vehicles Roadside Equipment | RSE application install/upgrade |
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| ODOT ATMS | ODOT Connected Vehicles Roadside Equipment | RSE application install/upgrade |
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| ODOT Traffic Signal Control System | ODOT Connected Vehicles Roadside Equipment | RSE application install/upgrade |
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| Other Municipalities Maintenance Dispatch | County and City Connected Vehicles Roadside Equipment | RSE application install/upgrade |
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| OTIC Central Dispatch | OTIC Connected Vehicles Roadside Equipment | RSE application install/upgrade |
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| Portage County Maintenance Dispatch | County and City Connected Vehicles Roadside Equipment | RSE application install/upgrade |
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| Summit County Maintenance Dispatch | County and City Connected Vehicles Roadside Equipment | RSE application install/upgrade |
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