Modernizing Legacy Applications to Microsoft Azure Plan and Execute Your Modernization Journey Seamlessly /

Organizations have varying circumstances, objectives, and prerequisites when contemplating a hyper-scale cloud solution transformation to a platform such as Azure. Modernizing Legacy Applications to Microsoft Azure uncovers potential scenarios and provides choices, methodologies, techniques, and pro...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autores principales: Read, Steve (Autor), Mead, Larry (Autor)
Otros Autores: Ellsworth, Bob (writer of foreword.)
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Birmingham : Packt Publishing, Limited, 2023.
Edición:1st edition.
Temas:
Microsoft Azure (Computing platform)
Cloud computing.
Acceso en línea:Texto completo (Requiere registro previo con correo institucional)
Tabla de Contenidos:
  • Cover
  • Title Page
  • Copyright and Credits
  • Dedications
  • Foreword
  • Contributors
  • Table of Contents
  • Part 1: Legacy Estate Options
  • Chapter 1: Understanding Your Legacy Environment
  • the Modernization Journey
  • Current legacy hardware and operating system
  • IBM and Unisys mainframes
  • IBM Midrange
  • Enterprise Unix
  • Other legacy estates
  • The current state of legacy applications
  • Scope of the legacy application estate
  • Languages used in the current estate
  • Third-party (COTS) applications
  • Utilities (tools) used by applications
  • Operating system services
  • Application-specific SLAs
  • What are the goals of moving to a hyperscale cloud such as Microsoft Azure?
  • Cost-related
  • Application development-related
  • Hardware-related
  • The need to choose a target architecture
  • Azure Landing Zones
  • Consider your constraints
  • Time constraints
  • Resource constraints
  • Funding constraints
  • How do you declare success for a legacy modernization to Azure?
  • Identify the first workload to modernize to Azure
  • Determine if modernization can be a multi-step process
  • Establish hybrid and integration requirements
  • Establish repeatable processes
  • Chapter 2: Strategies for Modernizing IBM and Unisys Mainframes
  • IBM mainframes
  • z/OS - The most common IBM mainframe operating system
  • z/VSE - Similar to z/OS, but usually for smaller workloads
  • z/VM - Z-series virtualization
  • z/TPF - For high-volume transaction workloads
  • z/Linux - Linux that can run under z/VM
  • Specialty engines - IFL and zIIP
  • Unisys
  • Libra - From the Burroughs MCP line
  • Dorado - From the Sperry OS/2200 operating system
  • Summary
  • Chapter 3: Midrange to Azure
  • What is a midrange system?
  • POWER systems
  • IBM iSeries
  • OS/400 overview
  • Applications
  • Data
  • Control Language
  • ISV versus homegrown solutions
  • Administration
  • IBM AIX
  • AIX overview
  • AIX versus Linux
  • what's the difference?
  • Applications
  • Azure Spring Cloud
  • Data
  • COTS applications
  • Administration
  • Summary
  • Chapter 4: Modernizing Legacy UNIX Systems
  • The current UNIX landscape
  • BSD System 4.3 versus System V
  • Old UNIX versus modern UNIX
  • UNIX scripts
  • Applications
  • Migrating Solaris
  • SPARC versus x86
  • Emulation options
  • Converting to Linux
  • Converting to PaaS services
  • Hosting in Azure
  • Migrating HP-UX
  • PA-RISC versus Itanium
  • Emulation options
  • Converting to Linux
  • Converting to Azure PaaS
  • Hosting in Azure
  • Other UNIX variants
  • Summary
  • Part 2: Architecture Options
  • Chapter 5: An Overview of the Microsoft Azure Cloud Platform
  • A brief history of Azure
  • Azure Regions
  • Azure Stack
  • Azure compute
  • Azure storage
  • Azure networking
  • Understanding internal Azure networking services
  • Looking at Azure networking services for connection to on-premises data centers
  • Azure databases
  • Azure security and identity
  • Understanding the Azure approach to hybrid

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