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  3. > The VoLTE service assurance: opportunities and challenges for vendors and operators

Vendors that have a diverse mix of assurance capabilities covering LTE, legacy CS voice and IMS will be well-placed to win VoLTE assurance contracts.
Voice over LTE (VoLTE) enables operators to fully migrate customers to LTE and accelerate take-up of new data services, at the same time as improving spectral efficiency. However, the quality of service (QoS) expectations of a voice service and the inherent technology complexity of VoLTE will require investments in service assurance systems.

This report provides:
a 5-year forecast of the VoLTE service assurance market
analysis of the factors driving and inhibiting investments in VoLTE service assurance
challenges confronting operators in assuring VoLTE
detailed discussion of service assurance considerations and opportunities, including:
impact of VoLTE solutions on service assurance and capabilities needed
service assurance considerations for VoLTE solutions
service assurance vendors’ pre- and post-launch roles in VoLTE deployments
voice QoS measurement techniques
VoLTE service management application architecture and VoLTE call scenarios
recommendations for communications service providers (CSPs) and suppliers
analysis of the business environment
vendor analysis for key service assurance players.

GEOGRAPHICAL COVERAGE

The VoLTE service assurance market forecast is split into the following four regions:
Asia–Pacific (APAC)
Europe, the Middle East and Africa (EMEA)
Latin America (LATAM)
North America (NA)

COMPANY COVERAGE

The following companies are mentioned in this report:
Network equipment providers (NEPs):
Alcatel-Lucent
Ericsson
Huawei
Nokia
Independent software vendors (ISVs):
Anritsu
Ascom
Astellia
Empirix
EXFO
Hewlett-Packard
IBM
InfoVista
Ixia
JDS Uniphase
Keynote SIGOS
Monolith Software
Mycom International
NetScout Systems
Nexus Telecom
Oracle
Polystar
RADCOM
Spirent Communications
Tektronix Communications
TEOCO

Table Of Contents

The VoLTE service assurance: opportunities and challenges for vendors and operators

Table of contents


5.Executive summary


6.Spending on service assurance for VoLTE will reach USD413 million by 2018, driven by Tier 1 operators with mature LTE coverage


7.SRVCC introduces significant network complexity that places additional requirements on service assurance systems


8.Spending on IP probes and end-to-end performance monitoring will grow as operators deploy and scale assurance systems for IMS and VoLTE


9.Spending on IMS and LTE assurance will grow as that on legacy CS voice declines, so vendors with diversified capabilities in these areas will benefit


10.Recommendations


11.Recommendations


12.Forecast


13.VoLTE service assurance spending will account for 10% of the total service assurance market by 2018


14.Unique regional and operator characteristics pointing to aggressive VoLTE take-up will not indicate a general worldwide trend


15.EMEA and NA will account for 73% of spending on COTS service assurance solutions for VoLTE by 2018


16.Market drivers and inhibitors


17.Service assurance considerations and opportunities


18.VoLTE promises significant benefits, but full-scale adoption will be slow because of a weak business case and dependency on LTE coverage


19.IMS-based VoLTE with SRVCC technology has the greatest impact on service assurance systems


20.Assurance vendors can play varying roles during the pre-launch and post-launch phases of VoLTE


21.Operators will increase deployment of IP probes to cater for the increased demand for monitoring VoLTE traffic


22.End-to-end QoS assurance must form the central theme of operators' VoLTE service assurance strategy


23.Performance data must be collated from different network interfaces and correlated in near-real time for measuring QoS and troubleshooting


24.A holistic approach to VoLTE assurance will need to measure QoS covering both packet-switched and circuit-switched networks


25.A VoLTE service management application will be of significant value to operators because it will cater for key business objectives such as CEM


26.Assurance solutions must consider multiple call scenarios, but initial launches are likely to offer only VoLTE-to-VoLTE calls


27.Market environment


28.LTE connections will increase twenty-fold from 80 million in 2012 to reach 1.60 billion in 2018, accounting for 19.7% of mobile connections


29.More than 600 million smartphone users worldwide are expected to use VoLTE as their default voice service by 2018


30.As of 2Q 2014, 12 operators had launched VoLTE and another 34 were in either deployment or trial phases


31.Vendor analysis


32.Vendor analysis methodology


33.NEPs have the capabilities to strongly compete in the VoLTE service management; ISVs will be strong in the core service assurance segments


34.Vendor analysis summary - ISVs [1]


35.Vendor analysis summary - ISVs [2]


36.About the author and Analysys Mason


37.About the author


38.About Analysys Mason


39.Research from Analysys Mason


40.Consulting from Analysys Mason


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List of figures


Figure 1: VoLTE service assurance revenue, worldwide, 2014-2018


Figure 2: VoLTE service assurance scenarios


Figure 3: VoLTE's impact on service assurance systems and capabilities needed


Figure 4: Spending on voice service assurance by service type compared with take-up of VoLTE


Figure 5: Service assurance revenue by type, worldwide, 2013-2018


Figure 6: VoLTE service assurance revenue by region, worldwide, 2013-2018


Figure 7: VoLTE service assurance revenue by region, worldwide, 2014


Figure 8: VoLTE service assurance revenue by region, worldwide, 2018


Figure 9: Impact of VoLTE solutions on service assurance compared with LTE coverage


Figure 10: Service assurance considerations for VoLTE solutions


Figure 11: Service assurance vendors' pre- and post-launch roles in VoLTE deployments


Figure 12: VoLTE's impact on service assurance systems and capabilities needed


Figure 13: Voice QoS measurement techniques


Figure 14: Illustrative architecture for user plane and control plane data collection


Figure 15: Example of end-to-end QoS measurement approach


Figure 16: VoLTE service management application architecture


Figure 17: Example VoLTE call scenarios


Figure 18: Mobile connections by technology generation, and LTE's share, worldwide, 2010-2018


Figure 19: Smartphone users with VoLTE as their default voice service, by region, 2010-2018


Figure 20: Smartphone penetration of VoLTE services, by region, 2010-2018


Figure 21: Status of VoLTE launches, worldwide, 2Q 2014


Figure 22: Parameters for service assurance vendor analysis


Figure 23: NEPs' service management offerings for VoLTE


Figure 24a-b: Service assurance suppliers by capabilities

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