This solution is used within Australia, Canada, the E.U. and the U.S.. It combines standards associated with (None–Data) with those for I–I: Guaranteed Secure Internet (ITS). The (None–Data) standards include an unspecified set of standards at the upper layers. The I–I: Guaranteed Secure Internet (ITS) standards include lower–layer standards that support secure communications with guaranteed delivery 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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| ITS Application Entity | | Standard(s) need to be developed | One or more standards need to be developed for this subject matter before this is considered a complete solution. |
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| Facilities | | Standard(s) need to be developed | One or more standards need to be developed for this subject matter before this is considered a complete solution. |
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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 8200 | Internet Protocol, Version 6 | This document specifies version 6 of the Internet Protocol (IPv6). |
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| TransNet | IETF RFC 9293 | Transmission Control Protocol | This document specifies the Transmission Control Protocol (TCP). TCP is an important transport–layer protocol in the Internet protocol stack, and it has continuously evolved over decades of use and growth of the Internet. Over this time, a number of changes have been made to TCP as it was specified in RFC 793, though these have only been documented in a piecemeal fashion. This document collects and brings those changes together with the protocol specification from RFC 793. This document obsoletes RFC 793, as well as RFCs 879, 2873, 6093, 6429, 6528, and 6691 that updated parts of RFC 793. It updates RFCs 1011 and 1122, and it should be considered as a replacement for the portions of those documents dealing with TCP requirements. It also updates RFC 5961 by adding a small clarification in reset handling while in the SYN–RECEIVED state. The TCP header control bits from RFC 793 have also been updated based on RFC 3168. |
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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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Many serious issues. This category includes solutions that have not been standardized, or do not have a basic level of interoperability or security. Consider selecting a different communications solution or if this is not possible (eg. a pilot of a new application that has not been standardized), take additional measures to provide an acceptable level of security or interoperability.
| Source | Destination | Flow |
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| Chicago Transit Authority Control Center | Chicago Transit Authority Bus Tracker Website | alert notification |
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| Chicago Transit Authority Control Center | City of Chicago 911 CAD | transit emergency data |
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| Chicago Transit Authority Control Center | Cook County Sheriff Communications Center | transit emergency data |
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| Chicago Transit Authority Control Center | IDOT District 1 ComCenter | transit emergency data |
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| Chicago Transit Authority Control Center | Metra Consolidated Control Facility | threat information |
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| City of Chicago Incident Center (CIC) | City of Chicago TMC | alert notification |
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| City of Chicago Incident Center (CIC) | City of Chicago TMC | emergency plan coordination |
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| City of Chicago Incident Center (CIC) | City of Chicago TMC | emergency route request |
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| City of Chicago Incident Center (CIC) | City of Chicago TMC | road network status assessment |
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| City of Chicago Incident Center (CIC) | City of Chicago TMC | threat information |
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| City of Chicago Joint Operation Center (JOC) | City of Chicago TMC | alert notification |
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| City of Chicago Joint Operation Center (JOC) | City of Chicago TMC | emergency plan coordination |
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| City of Chicago Joint Operation Center (JOC) | City of Chicago TMC | emergency route request |
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| City of Chicago Joint Operation Center (JOC) | City of Chicago TMC | threat information |
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| City of Chicago OEMC Field Equipment | City of Chicago TMC | rail crossing blockage notification |
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| City of Chicago Operations Center (OC) | Chicago Transit Authority Control Center | threat information |
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| City of Chicago Operations Center (OC) | City of Chicago TMC | alert notification |
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| City of Chicago Operations Center (OC) | City of Chicago TMC | emergency plan coordination |
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| City of Chicago Operations Center (OC) | City of Chicago TMC | emergency route request |
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| City of Chicago Operations Center (OC) | City of Chicago TMC | threat information |
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| City of Chicago Operations Center (OC) | Metra Consolidated Control Facility | threat information |
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| City of Chicago TMC | City of Chicago Incident Center (CIC) | alert status |
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| City of Chicago TMC | City of Chicago Incident Center (CIC) | emergency plan coordination |
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| City of Chicago TMC | City of Chicago Incident Center (CIC) | emergency routes |
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| City of Chicago TMC | City of Chicago Incident Center (CIC) | road network status assessment |
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| City of Chicago TMC | City of Chicago Joint Operation Center (JOC) | alert status |
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| City of Chicago TMC | City of Chicago Joint Operation Center (JOC) | emergency plan coordination |
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| City of Chicago TMC | City of Chicago Joint Operation Center (JOC) | emergency routes |
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| City of Chicago TMC | City of Chicago Joint Operation Center (JOC) | road network status assessment |
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| City of Chicago TMC | City of Chicago Operations Center (OC) | alert status |
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| City of Chicago TMC | City of Chicago Operations Center (OC) | emergency plan coordination |
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| City of Chicago TMC | City of Chicago Operations Center (OC) | emergency routes |
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| City of Chicago TMC | City of Chicago Operations Center (OC) | road network status assessment |
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| Cook County Department of Transportation and Highways Field Equipment | Cook County TMC | rail crossing blockage notification |
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| DuPage County EOC | Metra Consolidated Control Facility | threat information |
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| DuPage County Field Equipment | DuPage County TMC | rail crossing blockage notification |
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| Grundy County Field Equipment | Grundy County TMC | rail crossing blockage notification |
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| IDOT District 1 Bureau of Traffic – Arterial Operations Field Equipment | IDOT District 1 Bureau of Traffic – Arterial Signal Operations | rail crossing blockage notification |
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| Independent School District Dispatch | City of Chicago 911 CAD | transit emergency data |
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| Independent School District Dispatch | Cook County Sheriff Communications Center | transit emergency data |
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| Independent School District Dispatch | DuPage County Sheriff Communications Center | transit emergency data |
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| Independent School District Dispatch | Grundy County 911 Center | transit emergency data |
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| Independent School District Dispatch | IDOT District 1 ComCenter | transit emergency data |
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| Independent School District Dispatch | Kane County 911 Center – KaneComm | transit emergency data |
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| Independent School District Dispatch | Kendall County 911 Center | transit emergency data |
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| Independent School District Dispatch | Lake County Emergency Communications Center 911 | transit emergency data |
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| Independent School District Dispatch | McHenry County Sheriff Dispatch | transit emergency data |
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| Independent School District Dispatch | Municipal Public Safety Dispatch | transit emergency data |
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| Independent School District Dispatch | Will County Sheriff Communications Center | transit emergency data |
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| Kane County 911 Center – KaneComm | Kane County Maintenance Operations | alert notification |
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| Kane County 911 Center – KaneComm | Kane County Maintenance Operations | emergency plan coordination |
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| Kane County 911 Center – KaneComm | Kane County Maintenance Operations | threat information |
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| Kane County 911 Center – KaneComm | Kane County TMC | emergency route request |
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| Kane County Field Equipment | Kane County TMC | rail crossing blockage notification |
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| Kane County Maintenance Operations | Kane County 911 Center – KaneComm | alert status |
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| Kane County Maintenance Operations | Kane County 911 Center – KaneComm | emergency plan coordination |
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| Kane County Maintenance Operations | Kane County 911 Center – KaneComm | road network status assessment |
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| Kendall County Field Equipment | Kendall County TMC | rail crossing blockage notification |
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| McHenry County Field Equipment | McHenry County TMC | rail crossing blockage notification |
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| McHenry County Maintenance Operations | McHenry County TMC | road network status assessment |
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| McHenry County Maintenance Operations | Municipal TMCs | road network status assessment |
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| McHenry County TMC | McHenry County Maintenance Operations | road network status assessment |
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| Metra Consolidated Control Facility | Chicago Transit Authority Control Center | transit emergency data |
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| Metra Consolidated Control Facility | City of Chicago 911 CAD | transit emergency data |
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| Metra Consolidated Control Facility | IDOT District 1 ComCenter | transit emergency data |
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| Metra Consolidated Control Facility | Illinois State Police Dispatch (Districts 2, 5 and Chicago) | transit emergency data |
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| Metra Consolidated Control Facility | Municipal Public Safety Dispatch | transit emergency data |
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| Municipal Public Safety Dispatch | Metra Consolidated Control Facility | threat information |
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| Municipal TMCs | Kendall County Maintenance Operations | road network status assessment |
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| Municipal TMCs | McHenry County Maintenance Operations | road network status assessment |
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| Municipal Transit Operations | Municipal EMCs | transit emergency data |
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| Municipal Transit Operations | Municipal Public Safety Dispatch | transit emergency data |
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| Pace Control Center (IBS) | City of Chicago 911 CAD | transit emergency data |
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| Pace Control Center (IBS) | IDOT District 1 ComCenter | transit emergency data |
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| Pace Control Center (IBS) | Illinois Tollway Computer Aided Dispatch Center | transit emergency data |
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| Pace Control Center (IBS) | Municipal Public Safety Dispatch | transit emergency data |
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| Pace Regional Paratransit Dispatch | Municipal Public Safety Dispatch | transit emergency data |
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| Statewide Emergency Operations Center | Metra Consolidated Control Facility | threat information |
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| Will County Field Equipment | Will County TMC | rail crossing blockage notification |
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