Launch Requirements - PSCR

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Governance Public Safety Broadband Intentionally Blank 8 Launch Statement of Requirements for FirstNet Consideration, December 2012
Public Safety Broadband Policies and Procedures 3 Policies and Procedures Agencies often create policies and procedures to meet their unique emergency communications requirements. In recent years, with support from the federal government, emergency responders have developed standards for interoperability, the use of existing nationwide interoperability frequencies, and incident management. However, with FirstNet, disparate policies and procedures will need to be consolidated and made consistent to all end users. Technical requirements identified in this document can provide a basis for service level agreements (SLAs) and accountability. Technical and/or other service requirements identified by entities/users should provide a basis for accountability in service level agreements (SLAs) or other types of agreements. Additionally, other sections may contain policy and/or procedure-‐related requirements on topics which are not covered in Section 3. As a matter of policy, NPSTC recommends that FirstNet offer support to states as they partner and negotiate with new and existing commercial providers for appropriate terms of service specific to public safety enterprise network (PSEN) users, where a PSEN is a communications network that serves one or more public safety agencies. A PSEN can serve an entire state or a single agency. In this document, a public safety entity (PSE) is synonymous with a public safety agency responsible for operations and maintenance (O&M). For example, procedures may be negotiated to permit NPSBN users (NPSBN-‐Us) needing to roam onto commercial networks so they receive consistent treatment of their assigned priority classifications, such as through admission control (AC), allocation and retention priority (ARP), and/or quality of service class identifier (QCI), commensurate with their PSE identity. 3.1 User Prioritization The NPSBN presents an entirely new dynamic to management of communication resources. Comparisons between today’s LMR systems and tomorrow’s LTE systems are often misleading and inaccurate when user priority is discussed. LMR system priorities are applicable across the footprint of the system, while LTE prioritization schemes effectively limit the impact to users within a single cell sector. High-‐user traffic in one sector has little impact on users in other cell sectors. Priority, QoS, and Pre-‐emption are essential attributes of a mission critical system. Responders must have the resources they need to complete their mission. A nationwide framework is necessary which balances the needs of all agencies sharing the NPSBN, yet the framework must not be too rigid as to ignore the dynamic nature of all incidents. FirstNet must develop a policy for the NPSBN that requires a nationwide standard for prioritization and quality of service (QoS). Prioritization is the network’s ability to determine the priority level of a connection over another for access to, transport through, and egress from the network. QoS is the network’s ability to ensure that Internet Protocol (IP) packet flows associated with different applications satisfies performance objectives for different applications to operate. Thus, prioritization addresses the network connection while QoS addresses the treatment of traffic after the connection is established. Launch Statement of Requirements for FirstNet Consideration, December 2012 9
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