Table of Contents Global High Availability Software Market Status and Outlook 2020-2025 1 Market Overview 1.1 High Availability Software Definition 1.1.1 Analysis of Macroeconomic Indicators 1.1.2 Years Considered 1.2 High Availability Software Segment by Type 1.2.1 Infrastructure HA 1.2.2 Application HA 1.2.3 Multi-geo-location Application HA 1.2.4 Others 1.3 Market Analysis by Application 1.3.1 Telecommunications 1.3.2 Defense/Military 1.3.3 Space 1.3.4 Others 1.4 Global High Availability Software Market Size (Million USD) Comparison by Regions (2020-2025) 1.4.1 Global High Availability Software Market Size (2015-2025) 1.4.2 North America High Availability Software Status and Prospect (2015-2025) 1.4.3 Europe High Availability Software Status and Prospect (2015-2025) 1.4.4 Asia-Pacific High Availability Software Status and Prospect (2015-2025) 1.4.5 South America High Availability Software Status and Prospect (2015-2025) 1.4.6 Middle East & Africa High Availability Software Status and Prospect (2015-2025) 1.5 Market Dynamics 1.5.1 Market Opportunities 1.5.2 Market Risk 1.5.3 Market Driving Force 1.5.4 Porter's Five Forces Analysis 1.5.5 SWOT Analysis 1.6 Coronavirus Disease 2019 (Covid-19): High Availability Software Industry Impact 1.6.1 How the Covid-19 is Affecting the High Availability Software Industry 1.6.2 High Availability Software Business Impact Assessment - Covid-19 1.6.3 Market Trends and High Availability Software Potential Opportunities in the COVID-19 Landscape 1.6.4 Measures / Proposal against Covid-19 2 Global High Availability Software Market Competition by Players 2.1 Global High Availability Software Revenue and Market Share by Players (2018-2020) 2.2 Global High Availability Software Industry Concentration Ratio (CR5 and HHI) 2.3 Top 5 High Availability Software Players Market Share 2.4 Top 10 High Availability Software Players Market Share 2.5 Date of Key Players Enter into High Availability Software Market 2.6 Key Players High Availability Software Product Offered 2.7 Mergers & Acquisitions Planning 3 Analysis of @@@@ Industry Key Players 3.1 Evidian 3.1.1 Company Details 3.1.2 Product Information 3.1.3 Evidian High Availability Software Revenue and Gross Margin (2018-2020) 3.1.4 Main Business Overview 3.1.5 Evidian News 3.2 IBM 3.2.1 Company Details 3.2.2 Product Information 3.2.3 IBM High Availability Software Revenue and Gross Margin (2018-2020) 3.2.4 Main Business Overview 3.2.5 IBM News 3.3 NEC 3.3.1 Company Details 3.3.2 Product Information 3.3.3 NEC High Availability Software Revenue and Gross Margin (2018-2020) 3.3.4 Main Business Overview 3.3.5 NEC News 3.4 Carbonite 3.4.1 Company Details 3.4.2 Product Information 3.4.3 Carbonite High Availability Software Revenue and Gross Margin (2018-2020) 3.4.4 Main Business Overview 3.4.5 Carbonite News 3.5 Enea 3.5.1 Company Details 3.5.2 Product Information 3.5.3 Enea High Availability Software Revenue and Gross Margin (2018-2020) 3.5.4 Main Business Overview 3.5.5 Enea News 3.6 Varnish 3.6.1 Company Details 3.6.2 Product Information 3.6.3 Varnish High Availability Software Revenue and Gross Margin (2018-2020) 3.6.4 Main Business Overview 3.6.5 Varnish News 3.7 LINBIT 3.7.1 Company Details 3.7.2 Product Information 3.7.3 LINBIT High Availability Software Revenue and Gross Margin (2018-2020) 3.7.4 Main Business Overview 3.7.5 LINBIT News 3.8 Atos 3.8.1 Company Details 3.8.2 Product Information 3.8.3 Atos High Availability Software Revenue and Gross Margin (2018-2020) 3.8.4 Main Business Overview 3.8.5 Atos News 3.9 Sentry Software 3.9.1 Company Details 3.9.2 Product Information 3.9.3 Sentry Software High Availability Software Revenue and Gross Margin (2018-2020) 3.9.4 Main Business Overview 3.9.5 Sentry Software News 3.10 Rocket iCluster 3.10.1 Company Details 3.10.2 Product Information 3.10.3 Rocket iCluster High Availability Software Revenue and Gross Margin (2018-2020) 3.10.4 Main Business Overview 3.10.5 Rocket iCluster News 3.11 HVR 3.11.1 Company Details 3.11.2 Product Information 3.11.3 HVR High Availability Software Revenue and Gross Margin (2018-2020) 3.11.4 Main Business Overview 3.11.5 HVR News 3.12 Neverfail 3.12.1 Company Details 3.12.2 Product Information 3.12.3 Neverfail High Availability Software Revenue and Gross Margin (2018-2020) 3.12.4 Main Business Overview 3.12.5 Neverfail News 3.13 HP 3.13.1 Company Details 3.13.2 Product Information 3.13.3 HP High Availability Software Revenue and Gross Margin (2018-2020) 3.13.4 Main Business Overview 3.13.5 HP News 3.14 Oracle 3.14.1 Company Details 3.14.2 Product Information 3.14.3 Oracle High Availability Software Revenue and Gross Margin (2018-2020) 3.14.4 Main Business Overview 3.14.5 Oracle News 4 Global High Availability Software Market Size Categorized by Regions 4.1 Global High Availability Software Revenue and Market Share by Regions 4.2 North America High Availability Software Revenue and Growth Rate (2015-2020) 4.3 Europe High Availability Software Revenue and Growth Rate (2015-2020) 4.4 Asia-Pacific High Availability Software Revenue and Growth Rate (2015-2020) 4.5 South America High Availability Software Revenue and Growth Rate (2015-2020) 4.6 Middle East & Africa High Availability Software Revenue and Growth Rate (2015-2020) 5 North America High Availability Software Market Size Categorized by Countries 5.1 North America High Availability Software Revenue and Market Share by Countries 5.1.1 North America High Availability Software Revenue by Countries (2015-2020) 5.1.2 United States High Availability Software Revenue and Growth Rate (2015-2020) 5.1.3 Canada High Availability Software Revenue and Growth Rate (2015-2020) 5.1.4 Mexico High Availability Software Revenue and Growth Rate (2015-2020) 5.2 North America High Availability Software Market Size and Market Share by Players (2018-2020) 5.3 North America High Availability Software Revenue and Market Share by Type (2015-2020) 5.4 North America High Availability Software Revenue Market Share by Application (2015-2020) 6 Europe High Availability Software Market Size Categorized by Countries 6.1 Europe High Availability Software Revenue and Market Share by Countries 6.1.1 Europe High Availability Software Revenue by Countries (2015-2020) 6.1.2 Germany High Availability Software Revenue and Growth Rate (2015-2020) 6.1.3 UK High Availability Software Revenue and Growth Rate (2015-2020) 6.1.4 France High Availability Software Revenue and Growth Rate (2015-2020) 6.1.5 Russia High Availability Software Revenue and Growth Rate (2015-2020) 6.1.6 Italy High Availability Software Revenue and Growth Rate (2015-2020) 6.1.7 Spain High Availability Software Revenue and Growth Rate (2015-2020) 6.2 Europe High Availability Software Market Size and Market Share by Players (2018-2020) 6.3 Europe High Availability Software Revenue and Market Share by Type (2015-2020) 6.4 Europe High Availability Software Revenue and Market Share by Application (2015-2020) 7 Asia-Pacific High Availability Software Market Size Categorized by Countries 7.1 Asia-Pacific High Availability Software Revenue and Market Share by Countries 7.1.1 Asia-Pacific High Availability Software Revenue by Countries (2015-2020) 7.1.2 China High Availability Software Revenue and Growth Rate (2015-2020) 7.1.3 Japan High Availability Software Revenue and Growth Rate (2015-2020) 7.1.4 Korea High Availability Software Revenue and Growth Rate (2015-2020) 7.1.5 India High Availability Software Revenue and Growth Rate (2015-2020) 7.1.6 Southeast Asia High Availability Software Revenue and Growth Rate (2015-2020) 7.1.7 Australia High Availability Software Revenue and Growth Rate (2015-2020) 7.2 Asia-Pacific High Availability Software Market Size and Market Share by Players (2018-2020) 7.3 Asia-Pacific High Availability Software Sales, Revenue and Market Share by Type (2015-2020) 7.4 Asia-Pacific High Availability Software Revenue and Market Share by Application (2015-2020) 8 South America High Availability Software Market Size Categorized by Countries 8.1 South America High Availability Software Revenue and Market Share by Countries 8.1.1 South America High Availability Software Revenue by Countries (2015-2020) 8.1.2 Brazil High Availability Software Revenue and Growth Rate (2015-2020) 8.2 South America High Availability Software Market Size and Market Share by Players (2018-2020) 8.3 South America High Availability Software Revenue and Market Share by Type (2015-2020) 8.4 South America High Availability Software Revenue Market Share by Application (2015-2020) 9 Middle East & Africa High Availability Software Market Size Categorized by Countries 9.1 Middle East & Africa High Availability Software Revenue and Market Share by Countries 9.1.1 Middle East & Africa High Availability Software Revenue by Countries (2015-2020) 9.1.2 GCC Countries High Availability Software Revenue and Growth Rate (2015-2020) 9.1.3 Turkey High Availability Software Revenue and Growth Rate (2015-2020) 9.1.4 Egypt High Availability Software Revenue and Growth Rate (2015-2020) 9.1.5 South Africa High Availability Software Revenue and Growth Rate (2015-2020) 9.2 Middle East & Africa High Availability Software Market Size and Market Share by Players (2018-2020) 9.3 Middle East & Africa High Availability Software Revenue and Market Share by Type 9.4 Middle East & Africa High Availability Software Revenue Market Share by Application (2015-2020) 10 Market Size Segment by Type 10.1 Global High Availability Software Revenue and Market Share by Type (2015-2020) 10.2 Global High Availability Software Market Forecast by Type (2020-2025) 10.3 Infrastructure HA Revenue and Growth Rate 10.4 Application HA Revenue and Growth Rate 10.5 Multi-geo-location Application HA Revenue and Growth Rate 10.6 Others Revenue and Growth Rate 11 Global High Availability Software Market Segment by Application 11.1 Global High Availability Software Revenue Market Share by Application (2015-2020) 11.2 High Availability Software Market Forecast by Application (2020-2025) 11.3 Telecommunications Revenue Growth Rate (2015-2025) 11.4 Defense/Military Revenue Growth Rate (2015-2025) 11.5 Space Revenue Growth Rate (2015-2025) 11.6 Others Revenue Growth Rate (2015-2025) 12 Global High Availability Software Market Forecast 12.1 Global High Availability Software Market Size Forecast (2020-2025) 12.2 North America High Availability Software Revenue Market Forecast (2020-2025) 12.3 Europe High Availability Software Revenue Market Forecast (2020-2025) 12.4 Asia-Pacific High Availability Software Revenue Market Forecast (2020-2025) 12.5 South America High Availability Software Revenue Market Forecast (2020-2025) 12.6 Middle East & Africa High Availability Software Revenue Market Forecast (2020-2025) 13 Research Findings and Conclusion 14 Appendix

List of Tables and Figures Table Global High Availability Software Revenue (Million US$) by Type Figure Global Revenue Market Share of High Availability Software by Product Type in 2019 Figure Global High Availability Software Market by Regions (2019) Table Breakdown of High Availability Software by Company Type (Tier 1, Tier 2 and Tier 3) Table Global High Availability Software Value Growth (CAGR) (2019-2025) by Type Figure High Availability Software Market Share by Company Type (Tier 1, Tier 2 and Tier 3) Table Infrastructure HA Detail Table Application HA Detail Table Multi-geo-location Application HA Detail Table Others Detail Table Global High Availability Software Revenue (Million US$) by Application Figure Global High Availability Software Revenue Market Share by Application in 2019 Figure Telecommunications Picture Figure Defense/Military Picture Figure Space Picture Figure Others Picture Table Global Market High Availability Software Comparison by Regions (M USD) 2019-2025 Figure Global High Availability Software Market Size (Million US$) (2015-2025) Figure North America High Availability Software Revenue (Million US$) Growth Rate (2015-2025) Figure Europe High Availability Software Revenue (Million US$) Growth Rate (2015-2025) Figure Asia-Pacific High Availability Software Revenue (Million US$) Growth Rate (2015-2025) Figure South America High Availability Software Revenue (Million US$) Growth Rate (2015-2025) Figure Middle East & Africa High Availability Software Revenue (Million US$) Growth Rate (2015-2025) Table Market Opportunities in Next Few Years Table Market Risks Analysis Table Market Drivers Figure Porter's Five Forces Analysis Table SWOT Analysis Table Global High Availability Software Revenue by Players (2018-2020) Figure Global High Availability Software Revenue Market Share by Players in 2019 Table Global High Availability Software Players Market Concentration Ratio (CR5 and HHI) Figure Top 5 High Availability Software Players (Revenue) Market Share in 2019 Figure Top 10 High Availability Software Players (Revenue) Market Share in 2019 Table Date of Key Players Enter into High Availability Software Market Table Key Players High Availability Software Product Type Table Mergers & Acquisitions Planning Table Evidian Company Profile Figure High Availability Software Product Picture and Specifications of Evidian Table High Availability Software Revenue (M USD) and Gross Margin 2018-2020 Figure Evidian High Availability Software Market Share (2018-2020) Table Evidian Main Business Table Evidian Recent Development Table IBM Company Profile Figure High Availability Software Product Picture and Specifications of IBM Table High Availability Software Revenue (M USD) and Gross Margin 2018-2020 Figure IBM High Availability Software Market Share (2018-2020) Table IBM Main Business Table IBM Recent Development Table NEC Company Profile Figure High Availability Software Product Picture and Specifications of NEC Table High Availability Software Revenue (M USD) and Gross Margin 2018-2020 Figure NEC High Availability Software Market Share (2018-2020) Table NEC Main Business Table NEC Recent Development Table Carbonite Company Profile Figure High Availability Software Product Picture and Specifications of Carbonite Table High Availability Software Revenue (M USD) and Gross Margin 2018-2020 Figure Carbonite High Availability Software Market Share (2018-2020) Table Carbonite Main Business Table Carbonite Recent Development Table Enea Company Profile Figure High Availability Software Product Picture and Specifications of Enea Table High Availability Software Revenue (M USD) and Gross Margin 2018-2020 Figure Enea High Availability Software Market Share (2018-2020) Table Enea Main Business Table Enea Recent Development Table Varnish Company Profile Figure High Availability Software Product Picture and Specifications of Varnish Table High Availability Software Revenue (M USD) and Gross Margin 2018-2020 Figure Varnish High Availability Software Market Share (2018-2020) Table Varnish Main Business Table Varnish Recent Development Table LINBIT Company Profile Figure High Availability Software Product Picture and Specifications of LINBIT Table High Availability Software Revenue (M USD) and Gross Margin 2018-2020 Figure LINBIT High Availability Software Market Share (2018-2020) Table LINBIT Main Business Table LINBIT Recent Development Table Atos Company Profile Figure High Availability Software Product Picture and Specifications of Atos Table High Availability Software Revenue (M USD) and Gross Margin 2018-2020 Figure Atos High Availability Software Market Share (2018-2020) Table Atos Main Business Table Atos Recent Development Table Sentry Software Company Profile Figure High Availability Software Product Picture and Specifications of Sentry Software Table High Availability Software Revenue (M USD) and Gross Margin 2018-2020 Figure Sentry Software High Availability Software Market Share (2018-2020) Table Sentry Software Main Business Table Sentry Software Recent Development Table Rocket iCluster Company Profile Figure High Availability Software Product Picture and Specifications of Rocket iCluster Table High Availability Software Revenue (M USD) and Gross Margin 2018-2020 Figure Rocket iCluster High Availability Software Market Share (2018-2020) Table Rocket iCluster Main Business Table Rocket iCluster Recent Development Table HVR Company Profile Figure High Availability Software Product Picture and Specifications of HVR Table High Availability Software Revenue (M USD) and Gross Margin 2018-2020 Figure HVR High Availability Software Market Share (2018-2020) Table HVR Main Business Table HVR Recent Development Table Neverfail Company Profile Figure High Availability Software Product Picture and Specifications of Neverfail Table High Availability Software Revenue (M USD) and Gross Margin 2018-2020 Figure Neverfail High Availability Software Market Share (2018-2020) Table Neverfail Main Business Table Neverfail Recent Development Table HP Company Profile Figure High Availability Software Product Picture and Specifications of HP Table High Availability Software Revenue (M USD) and Gross Margin 2018-2020 Figure HP High Availability Software Market Share (2018-2020) Table HP Main Business Table HP Recent Development Table Oracle Company Profile Figure High Availability Software Product Picture and Specifications of Oracle Table High Availability Software Revenue (M USD) and Gross Margin 2018-2020 Figure Oracle High Availability Software Market Share (2018-2020) Table Oracle Main Business Table Oracle Recent Development Figure Global High Availability Software Revenue (Million USD) and Growth Rate (%) (2015-2020) Table Global High Availability Software Revenue by Regions (2015-2020) Table Global High Availability Software Revenue Market Share by Regions (2015-2020) Figure Global High Availability Software Revenue Market Share by Regions in 2019 Figure North America High Availability Software Revenue and Growth Rate (2015-2020) Figure Europe High Availability Software Revenue and Growth Rate (2015-2020) Figure Asia-Pacific High Availability Software Revenue s and Growth Rate (2015-2020) Figure South America High Availability Software Revenue and Growth Rate (2015-2020) Figure Middle East & Africa High Availability Software Revenue and Growth Rate (2015-2020) Figure North America High Availability Software Revenue and Growth Rate (2015-2020) Table North America High Availability Software Revenue by Countries (2015-2020) Table North America High Availability Software Revenue Market Share by Countries (2015-2020) Figure North America High Availability Software Revenue Market Share by Countries in 2019 Figure United States High Availability Software Revenue and Growth Rate (2015-2020) Figure Canada High Availability Software Revenue and Growth Rate (2015-2020) Figure Mexico High Availability Software Revenue and Growth Rate (2015-2020) Table North America High Availability Software Market Size by Players (2018-2020) (Million US$) Figure North America High Availability Software Revenue Market Share by Players in 2019 Table North America High Availability Software Revenue by Type (2015-2020) Table North America High Availability Software Revenue Share by Type (2015-2020) Table North America High Availability Software Revenue by Application (2015-2020) Table North America High Availability Software Revenue Share by Application (2015-2020) Figure Europe High Availability Software Revenue and Growth Rate (2015-2020) Table Europe High Availability Software Revenue by Countries (2015-2020) Table Europe High Availability Software Revenue Market Share by Countries (2015-2020) Figure Europe High Availability Software Revenue Market Share by Countries in 2019 Figure Germany High Availability Software Revenue and Growth Rate (2015-2020) Figure UK High Availability Software Revenue and Growth Rate (2015-2020) Figure France High Availability Software Revenue and Growth Rate (2015-2020) Figure Russia High Availability Software Revenue and Growth Rate (2015-2020) Figure Italy High Availability Software Revenue and Growth Rate (2015-2020) Figure Spain High Availability Software Revenue and Growth Rate (2015-2020) Table Europe High Availability Software Market Size by Players (2018-2020) (Million US$) Figure Europe High Availability Software Revenue Market Share by Players in 2019 Table Europe High Availability Software Revenue by Type (2015-2020) Table Europe High Availability Software Revenue Share by Type (2015-2020) Table Europe High Availability Software Revenue by Application (2015-2020) Table Europe High Availability Software Revenue Share by Application (2015-2020) Figure Asia-Pacific High Availability Software Revenue and Growth Rate (2015-2020) Table Asia-Pacific High Availability Software Revenue by Countries (2015-2020) Table Asia-Pacific High Availability Software Revenue Market Share by Countries (2015-2020) Figure Asia-Pacific High Availability Software Revenue Market Share by Countries in 2019 Figure China High Availability Software Revenue and Growth Rate (2015-2020) Figure Japan High Availability Software Revenue and Growth Rate (2015-2020) Figure Korea High Availability Software Revenue and Growth Rate (2015-2020) Figure India High Availability Software Revenue and Growth Rate (2015-2020) Figure Southeast Asia High Availability Software Revenue and Growth Rate (2015-2020) Figure Australia High Availability Software Revenue and Growth Rate (2015-2020) Table Asia-Pacific High Availability Software Market Size by Players (2018-2020) (Million US$) Figure Asia-Pacific High Availability Software Revenue Market Share by Players in 2019 Table Asia-Pacific High Availability Software Revenue by Type (2015-2020) Table Asia-Pacific High Availability Software Revenue Share by Type (2015-2020) Table Asia-Pacific High Availability Software Revenue by Application (2015-2020) Table Asia-Pacific High Availability Software Revenue Share by Application (2015-2020) Figure South America High Availability Software Revenue and Growth Rate (2015-2020) Table South America High Availability Software Revenue by Countries (2015-2020) Table South America High Availability Software Revenue Market Share by Countries (2015-2020) Figure South America High Availability Software Revenue Market Share by Countries in 2019 Figure Brazil High Availability Software Revenue and Growth Rate (2015-2020) Table South America High Availability Software Market Size by Players (2018-2020) (Million US$) Figure South America High Availability Software Revenue Market Share by Players in 2019 Table South America High Availability Software Revenue by Type (2015-2020) Table South America High Availability Software Revenue Share by Type (2015-2020) Table South America High Availability Software Revenue by Application (2015-2020) Table South America High Availability Software Revenue Share by Application (2015-2020) Figure Middle East & Africa High Availability Software Revenue and Growth Rate (2015-2020) Table Middle East & Africa High Availability Software Revenue by Countries (2015-2020) Table Middle East & Africa High Availability Software Revenue Market Share by Countries (2015-2020) Figure Middle East & Africa High Availability Software Revenue Market Share by Countries in 2019 Figure GCC Countries High Availability Software Revenue and Growth Rate (2015-2020) Figure Turkey High Availability Software Revenue and Growth Rate (2015-2020) Figure Egypt High Availability Software Revenue and Growth Rate (2015-2020) Figure South Africa High Availability Software Revenue and Growth Rate (2015-2020) Table Middle East & Africa High Availability Software Market Size by Players (2018-2020) (Million US$) Figure Middle East & Africa High Availability Software Revenue Market Share by Players in 2019 Table Middle East & Africa High Availability Software Revenue by Type (2015-2020) Table Middle East & Africa High Availability Software Revenue Share by Type (2015-2020) Table Middle East & Africa High Availability Software Revenue by Application (2015-2020) Table Middle East & Africa High Availability Software Revenue Share by Application (2015-2020) Table Global High Availability Software Revenue (USD Million) by Type (2015-2020) Table Global High Availability Software Revenue Share by Type (2015-2020) Figure Global High Availability Software Revenue Share by Type (2015-2020) Figure Global High Availability Software Revenue Share by Type in 2019 Table Global High Availability Software Revenue Forecast by Type (2020-2025) Figure Global High Availability Software Market Share Forecast by Type (2020-2025) Figure Global Infrastructure HA Revenue and Growth Rate (2015-2025) Figure Global Application HA Revenue and Growth Rate (2015-2025) Figure Global Multi-geo-location Application HA Revenue and Growth Rate (2015-2025) Figure Global Others Revenue and Growth Rate (2015-2025) Table Global High Availability Software Revenue by Application (2015-2020) Table Global High Availability Software Revenue Share by Application (2015-2020) Figure Global High Availability Software Revenue Share by Application (2015-2020) Figure Global High Availability Software Revenue Share by Application in 2019 Table Global High Availability Software Revenue Forecast by Application (2020-2025) Figure Global High Availability Software Market Share Forecast by Application (2020-2025) Figure Global Telecommunications Revenue Growth Rate (2015-2025) Figure Global Defense/Military Revenue Growth Rate (2015-2025) Figure Global Space Revenue Growth Rate (2015-2025) Figure Global Others Revenue Growth Rate (2015-2025) Figure Global High Availability Software Revenue (Million USD) and Growth Rate Forecast (2020-2025) Table Global High Availability Software Revenue (Million USD) Forecast by Regions (2020-2025) Figure Global High Availability Software Revenue Market Share Forecast by Regions (2020-2025) Figure North America High Availability Software Revenue Market Forecast (2020-2025) Figure Europe High Availability Software Revenue Market Forecast (2020-2025) Figure Asia-Pacific High Availability Software Revenue Market Forecast (2020-2025) Figure South America High Availability Software Revenue Market Forecast (2020-2025) Figure Middle East & Africa High Availability Software Revenue Market Forecast (2020-2025) Figure Methodology/Research Approach Figure Market Size Estimation Figure Author List

Evidian IBM NEC Carbonite Enea Varnish LINBIT Atos Sentry Software Rocket iCluster HVR Neverfail