Brochure
VIAVI
VSA Agent
An Integral Part of the VIAVI Video Service Assurance Solution
The VSA Agent is a multiscreen, virtualized solution providing
comprehensive network intelligence and visibility
for multiscreen adaptive bit rate video services.
Key Benefits
Maximize Overall Investment
y Prevent issues associated with delivery
of advertising content maximizing
advertising revenue
y Reduce subscriber churn by ensuring quality
and consistent delivery of video and audio
streams to the subscribers
y Minimize overall operational expenses
y Identify problems before subscribers are
impacted by validating manifest files and
ensuring all streams/variants are available
for players
y Reduce MTTR by segmenting the network
rather than relying only on Player statistics
y View events and statistics in real-time for
quick problem isolation
y Open APIs to incorporate unbiased program
and availability data for OSS/BSS systems for
automation, performance management, post-
mortem root cause analysis and
other applications
y Intuitive, easy to use — simplistic, user
interface focused on Video Quality of
Experience (QoE), which can be used by
NOC personnel through to detailed
technical support
y Reduction in overall capital outlay. Scale with
software rather than hardware, leveraging
virtualization and containerization. Spin up
and spin down agents as required for
maximum flexibility
The VSA Agent is a highly cost-effective and scalable
solution for Unicast and ABR video services. This
provides visibility and identifies the transport, CDN,
DNS, and video asset characteristics information that
are critical in delivering a unicast service.
The VSA Agent performs turn-up and service testing
using distributed software agents to monitor live and
VoD services. It simulates multiple users requesting live
and Video on Demand (VoD) content, runs load tests
to verify capacity, and analyzes video MOS. Additional
features include:
y Ad validation
y CDN certification
y Packet retransmit monitoring
y Support for SDN/NFV architectures
Figure 1: VSA Monitor