The organization must have bandwidth and capacity sufficient to accommodate the calculated Assured Service Admission Control (ASAC) budgets for AS Voice Video system calls/sessions.

From Voice Video Policy Security Technical Implementation Guide

Part of SRG-POL-300368

Associated with: CCI-000471

VVSP-01-000062_rule The organization must have bandwidth and capacity sufficient to accommodate the calculated Assured Service Admission Control (ASAC) budgets for AS Voice Video system calls/sessions.

Vulnerability discussion

Contingency planning for information systems is part of an overall organizational program for achieving continuity of operations for mission/business functions. Contingency planning addresses both information system restoration and implementation of alternative mission/business processes when systems are compromised. Performing contingency planning on hardware, software, and firmware development can be an effective means of achieving information system resiliency. Contingency plans reflect the degree of restoration required for organizational information systems since not all systems may need to fully recover to achieve the level of continuity of operations desired. Capacity planning is needed because different types of threats (e.g., natural disasters, targeted cyber attacks) can result in a reduction of the available processing, telecommunications, and support services originally intended to support the organizational missions/business functions. Organizations may need to anticipate degraded operations during contingency operations and factor such degradation into capacity planning. For Voice Video systems, contingency planning must also consider fire and emergency services (FES) requirements for life safety and Command and Control (C2) requirements mandating communications among top-level officials, especially during crisis conditions.

Check content

If the Voice Video system provides AS and DISN Voice Precedence and connects to the DISN WAN for transport, this is applicable. Review the contingency plan for the Voice Video system that addresses essential missions and business functions. The capacity planning must have bandwidth and capacity sufficient to accommodate the calculated ASAC budgets for AS Voice Video system calls/sessions. Ensure the ASAC for the DISN Core access circuits are supported with engineered bandwidth budgets for Voice Video calls/sessions. The per call/session units are defined as unidirectional and must support bidirectional communications between users. If the ASAC budgets for AS Voice Video system calls/sessions have not been calculated, this is a finding. If the bandwidth and capacity is not sufficient to accommodate the calculated ASAC budgets for AS Voice Video system calls/sessions, this is a finding.

Fix text

Calculate the ASAC budgets for the organizational AS Voice Video system calls/sessions. The current Unified Capabilities Requirements (UCR 2013 Change 1) contains methods and formulas. Develop and document a contingency plan for the Voice Video system with bandwidth and capacity sufficient to accommodate the calculated ASAC budgets for AS Voice Video system calls/sessions.

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