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Produktbild: SaaS Fundamentals

SaaS Fundamentals A Guide to Modern Cloud Solutions

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Beschreibung

SaaS Fundamentals: A Guide to Modern Cloud Solutions

SaaS Fundamentals is a clear, straightforward introduction to Software as a Service that blends foundational technical knowledge with real-world application. This guide helps you confidently evaluate, migrate, and navigate the intricacies of SaaS...

Beschreibung

SaaS Fundamentals: A Guide to Modern Cloud Solutions

SaaS Fundamentals is a clear, straightforward introduction to Software as a Service that blends foundational technical knowledge with real-world application. This guide helps you confidently evaluate, migrate, and navigate the intricacies of SaaS while highlighting proven solutions.

Modern organizations depend on SaaS for collaboration, networking, visibility, and security. This book explains how SaaS differs from traditional software, why it accelerates innovation, and how to assess SaaS offerings for business value, reliability, security, and cost. You'll learn how SaaS works in practice through established enterprise examples, including Cisco Umbrella, Cisco Webex, and Cisco ThousandEyes, demonstrating how cloud-managed networking, digital experience monitoring, and hybrid operations fit into modern IT environments.

Designed for busy professionals, each chapter stands alone, making it easy to reference architectures, migration planning, best practices, and detailed overviews of trusted SaaS solutions. The focus is practical, jargon-free, and directly applicable on the job.

Whether you're moving from on-premises systems or refining an existing cloud strategy, this book helps you reduce risk, simplify operations, and improve agility with SaaS.

What You Will Learn



  • How SaaS works and how it differs from traditional software models

  • How to evaluate SaaS for business value, security, compliance, and reliability

  • How to plan and support SaaS migrations with minimal disruption

  • How SaaS is used in real enterprises with Cisco Webex, Cisco ThousandEyes, and Cisco Umbrella

  • Key SaaS operational concepts, including identity, integration, monitoring, and governance

  • Emerging trends such as AI-assisted SaaS, hybrid multicloud, and edge integration

Produktdetails

Einband

Taschenbuch
Erscheinungsdatum

26.06.2026
Verlag Pearson Academic
Seitenzahl

544

Produktdetails

Einband

Taschenbuch
Erscheinungsdatum

26.06.2026
Verlag Pearson Academic
Seitenzahl

544
Maße (L/B/H)

23/18,6/3 cm
Gewicht

904 g
Auflage

1. Auflage
Sprache

Englisch
ISBN

978-0-13-533474-4
Herstelleradresse

Libri GmbH
Europaallee 1
36244 Bad Hersfeld
DE

Email: gpsr@libri.de

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  • Produktbild: SaaS Fundamentals

  • Introduction xxv
    Part I SaaS Fundamentals
    Chapter 1     What Is SaaS? 1
    Cloud Types 2
    IaaS, PaaS, and SaaS Cloud Computing Models 10
    Everything as a Service 17
    Shared Responsibility Model 19
    The Business Case for SaaS 21
    Summary 24
    References 25
    Chapter 2 SaaS Architecture 27
    Logical Model 29
    Review of SDN Logical Model 29
    SaaS Control Plane and Application Plane 33
    Architectural Model 35
    NIST Cloud Computing Reference Architecture 36
    SaaS Architectural Model 38
    Infrastructure 42
    Compute 43
    Storage 44
    Network 46
    System Software and Tools 48
    Application Services 51
    Microservices and Serverless Architectures 52
    Business Logic and Core Functionality 58
    Database Services 60
    Structured, Unstructured, and Semi-Structured Data Types 61
    Relational and Non-Relational Database Types 63
    Presentation Services 69
    Integration Services 73
    Custom Integrations with APIs, Webhooks, and WebSockets 74
    Prebuilt Integrations with Apps, Connectors, Modules, and Adapters 76
    Security and Privacy 78
    Cloud Security Controls 79
    Identity Access and Management 80
    Visibility and Monitoring 82
    Management and Analytics 82
    Multitenancy 88
    Summary 91
    References 93
    Chapter 3 Migrating to SaaS 95
    Discovery 96
    Cost of Ownership 97
    Partial or Full Migration 98
    The Reason to Identify Key Features and Functionality 98
    Application Configuration 99
    Application Integrations 100
    Network Requirements 101
    Security 102
    Migration Requirements 103
    Design and Planning 104
    Network Requirements 105
    Connectivity 105
    Quality of Service 106
    Bandwidth 107
    Virtual Private Network (VPN) 108
    Data Migration 109
    Testing 110
    User Acceptance Testing (UAT) 110
    Automated Testing 110
    Application Metrics 111
    Security Testing 112
    Fallback Planning 114
    Implementation 115
    Staging Environment 115
    Application Cutover Strategy 116
    Hard Cutover 116
    Parallel Applications 117
    Staged Migration 119
    SaaS Provider Migration Tools 120
    Value Realization 120
    Validate 121
    Uplift 122
    Utilize 122
    Common Migration Challenges 122
    Network Changes 123
    User Adoption 124
    Security Concerns 124
    The Need to Prevent Unauthorized Access 125
    Loss of Data 125
    Vulnerability Management 125
    API Security 125
    Shadow IT 125
    Summary 126
    References 127
    Chapter 4 Security and Privacy for SaaS 129
    SaaS Security Basics 129
    Data Protection and Privacy Concerns 130
    Common Threats to Data Security in SaaS Platforms 130
    Data Breaches 130
    Data Leakage 131
    Insider Threats 132
    Advanced Persistent Threats (APTs) and Nation Sponsored Attackers 134
    Ransomware 136
    Denial-of-Service (DoS) and Distributed Denial-of-Service (DDoS) Attacks 137
    Regulatory Compliance and Certifications 137
    General Data Protection Regulation (GDPR) 137
    Payment Card Industry Data Security Standard (PCI DSS) 138
    International Organization for Standardization (ISO) Standards and Certification 138
    Europes Cyber Resilience Act (CRA) 139
    Federal Risk and Authorization Management Program (FedRAMP) 139
    System and Organization Controls (SOC 1, 2, and 3) 142
    The Cloud Security Alliance (CSA) Security, Trust, and Assurance Registry (STAR) 143
    Data Sovereignty 144
    Architectural Considerations for Data Partitioning and Tenant Isolation 147
    Tools and Techniques for Preventing Data Loss in a SaaS Setup 149
    Encryption 149
    Data Masking and Tokenization 152
    Data Classification and Tagging 154
    Integration of DLP Solutions with Existing Systems 157
    Identity and Access Management (IAM) 158
    Centralizing Identity Management 158
    Enforcing Multifactor Authentication (MFA) 161
    Using Cisco Duo and MFA 163
    Understanding FIDO Technology 163
    Implementing Single Sign-On (SSO) 168
    Looking at SAML, OAuth, and OpenID Connect 170
    Monitoring and Analyzing User and Application Account Activities 173
    Best Practices for Monitoring and Analyzing Activities 174
    Access Control Mechanisms 175
    Continuous Monitoring and Incident Response 176
    Best Practices for SaaS Incident Response 177
    The Automation of Everything in SaaS to Enhance Security and Efficiency 179
    SaaS Security Management 180
    SaaS Security Posture Management (SSPM) 180
    Cloud Access Security Broker (CASB) 181
    Summary 182
    Part II SaaS Solutions
    Chapter 5     Collaboration: Webex Meetings and Messaging 185
    Product Capabilities 186
    Webex Meetings 187
    Webex Messaging 192
    Asynchronous Video (Vidcast) 195
    The Webex Platform 196
    Infrastructure 197
    Application Services 199
    Authentication and Authorization 200
    Encryption and Key Management 201
    Meeting Management and Control/Media Services 204
    Messaging Services 209
    Recording, Speech, and AI Services 210
    Presentation Services 211
    Database Services 211
    Provisioning Database 211
    Messages Database 212
    Management and Analytics Data Storage 212
    Logging Data 213
    Integration Services 213
    Management and Analytics 214
    Security and Privacy 218
    Summary 220
    References 220
    Chapter 6 Collaboration: Webex Calling 221
    Product Capabilities 223
    Call Routing and Dial Plan Management 224
    User Management 227
    PSTN Connectivity 227
    Cisco Calling Plans 227
    Cloud-Connected PSTN Partners (CCPP) 228
    Premises-Based PSTN 229
    Emergency Calling 231
    Calling Endpoint Support and Management 231
    Calling Features 233
    Customer Experience Features 235
    Interoperability 236
    Analytics and Troubleshooting 237
    High Availability and Survivability 240
    Artificial Intelligence (AI) Features 242
    The Webex Calling Platform 243
    Infrastructure 243
    Application Services 245
    Call Control Services 245
    Edge Services 247
    Media Services 248
    Provisioning Services 249
    Device Management Services 250
    Presentation Services 250
    Database Services 251
    Integration Services 252
    Management and Analytics 252
    Security and Privacy 253
    Summary 254
    References 254
    Chapter 7 Collaboration: Webex Contact Center and Webex Connect 255
    Cisco Cloud Contact Center Products 257
    Product Capabilities 258
    Omnichannel Communication 259
    AI-Powered Features 260
    Virtual Agents 261
    Cisco AI Assistant 261
    Advanced Call Routing 262
    Skills-Based Routing 264
    Agent-Based Routing 265
    Flow Designer 265
    Analytics and Reporting 267
    Integrations 269
    Webex Workforce Optimization 272
    Webex Contact Center Platform 274
    Infrastructure 274
    Application Services 276
    Contact Interaction Management 277
    Queues and Routing 279
    Desktop Agent 279
    Presentation Services 280
    Database Services 281
    Flow Configurations 281
    User Profile Information 282
    Logging and Telemetry 282
    Management and Analytics 283
    Integration Services 284
    Security and Privacy 285
    Summary 286
    References 287
    Chapter 8 Security: Identity and Access Management 289
    Ciscos Zero Trust and Continuous Trust Philosophy 290
    The Shift to Identity as the Perimeter 291
    Ciscos Zero Trust Framework 292
    The Principle of Continuous Trusted Access 294
    An Introduction to Cisco Duo 295
    From Traditional MFA to Phishing-Resistant Passwordless 295
    Overview of FIDO2 and WebAuthn 296
    Case Study: Implementing FIDO2/WebAuthn with Cisco Duo for Passwordless Authentication at Cisco 297
    Implementation Process 298
    Passwordless Implementation Lessons Learned and Recommendations 299
    Single Sign-On (SSO) and Duo 300
    Passwordless Authentication 300
    Device Trust and Health 300
    Getting Familiar with Cisco Duo via the Free Tier 301
    The Duo Cloud-Native Platform and On-Premises Components 301
    Duo Authentication Proxy 302
    Duo Network Gateway (DNG) 304
    More Than 400,000 VPN Connections per Month 304
    The Cisco Duo Identity and Access Management (IAM) Platform 305
    Duo Identity Routing Engine 306
    Hardware-Free Phishing Resistance 306
    More on Cisco Identity Intelligence 307
    Summary 307
    References 308
    Chapter 9 Security: Cisco Umbrella and Cisco AI Defense 309
    From OpenDNS to Cisco Umbrella 310
    Secure Internet Gateway and Secure Access Service Edge 310
    An Analysis of Umbrellas Converged Functions 312
    Predictive Security with AI, ML, and Talos 313
    Domain Generation Algorithms (DGAs) 314
    Command-and-Control (C2) Callbacks 316
    Umbrella Investigate 317
    Cisco Umbrella Deployment Scenarios 318
    Policy Configuration Best Practices 320
    Cisco AI Defense: Securing the AI Revolution 321
    The Rise of Shadow AI 321
    The Developers Dilemma: Securing In-House AI Applications 322
    Cisco AI Defense Four-Pillar Framework for AI Security 323
    Summary 325
    References 326
    Chapter 10 Security: Cisco XDR, Splunk, and Cisco Vulnerability Management 327
    Unifying Telemetry for Accelerated Response Using Cisco XDR 329
    Cisco XDR Architectural Deep Dive 329
    Data Ingestion and Normalizations 329
    The Analytics and Correlation Engine 330
    Licensing Tiers (Essentials, Advantage, Premier) 331
    Cisco XDR Core Capabilities and AI-Powered Detection 331
    Cross-Product Context, Incident Prioritization, and Cisco Talos Threat Intelligence Integration 331
    Automated Guided Response and Containment Actions 332
    Guided Playbooks, Workflows, and Forensics 332
    Data-Driven Insights with the Splunk Ecosystem 333
    Splunk Enterprise and Splunk Cloud Platform 333
    Splunk for Security Operations and Splunk Enterprise Security 334
    Going Beyond Security with Observability and IT Operations 336
    Splunk AI Toolkit: Operational Machine Learning on the Splunk Platform 338
    Cisco Vulnerability Management: Prioritizing Risk with Data Science 340
    Risk-Based Vulnerability Management (RBVM) 340
    Data Ingestion and Intelligence Feeds 341
    The Scoring Mechanism, Asset Criticality, and Context 342
    Operationalizing Vulnerability Management 342
    The Power of Integration: A Unified Security Strategy 344
    Splunk, Cisco XDR, and CVM Technical Integration Points 345
    Correlating Threats with Vulnerabilities 346
    A Practical Workflow: From Vulnerability Awareness to Orchestrated Response 347
    Ciscos AI Assistant 348
    Summary 349
    References 350
    Chapter 11 Observability and Monitoring: Cisco AppDynamics and Splunk 351
    The Basics 352
    What Is Full-Stack Observability? 352
    Observability vs. Monitoring 353
    OpenTelemetry and MELT 354
    AppDynamics + Splunk 356
    SaaS Security PracticesAppDynamics and Splunk 359
    Data Encryption 359
    Access Control 360
    Disaster Recovery 360
    Audit Logging 362
    Multitenancy 362
    Splunk Observability CloudArchitecture Overview 363
    Cloud-Native Observability 363
    Data Collection 364
    AppDynamicsArchitecture Overview 365
    SaaS and On-Premises Observability 365
    Controllers and Agents 367
    Controllers 367
    Agents 369
    Core Observability Features 370
    Application Performance Monitoring (APM) 371
    Infrastructure Monitoring 374
    End-User Monitoring 376
    Browser Monitoring 376
    Mobile Monitoring 378
    IoT Monitoring 378
    Synthetic Monitoring 379
    Log Observer Connect 380
    Summary 383
    References 384
    Chapter 12 Observability and Monitoring: Cisco ThousandEyes 387
    Architectural Overview 388
    Agent Types 391
    Endpoint Agent 392
    Enterprise Agents 393
    Cloud Agents 394
    Agent Tests 396
    Enterprise and Cloud Agent Tests 396
    Routing Test 397
    Network Tests 398
    DNS Tests 399
    Web Tests 400
    Voice Tests 403
    Endpoint Agent Tests 405
    Path Visualization and Dashboard Snapshots 407
    Internet, WAN, Cloud, and Traffic Insights 409
    Integrations 411
    Prebuilt 411
    Custom 412
    Cisco AI Assistant Integration 413
    Summary 415
    References 416
    Chapter 13 Management: Cisco Meraki 417
    Meraki Platform Capabilities 418
    Meraki Dashboard 419
    Security Appliances (Cisco Meraki MX) 422
    Switches (Cisco Meraki MS) 425
    Wireless Access Points (Cisco Meraki MR) 428
    Cellular WAN Gateways (Cisco Meraki MG) 431
    Cameras (Cisco Meraki MV) 432
    Sensors (Cisco Meraki MT) 434
    Device Management (Meraki Systems Manager) 436
    The Cisco Meraki Cloud 438
    Infrastructure 439
    Application Services 441
    Presentation Services 443
    Database Services 444
    Integration Services 445
    Management and Analytics 447
    Security and Privacy 449
    Summary 450
    References 451
    Chapter 14 Management: Cisco Intersight 453
    Intersight Overview 454
    Cloud-Managed Compute 455
    SaaS vs. On-Prem Implementation 458
    Device Integration (Cisco and Third Party) 458
    Key Features and Functions 461
    Automation and Insights 467
    Orchestration 467
    Programmability and Infrastructure as Code 470
    Architecture 474
    Common Deployment Scenarios 477
    Common Workflows and Use Cases 480
    Device Onboarding and Security 481
    User Management 486
    TAC Integration 488
    Summary 491
    Reference 492

    9780135334744 TOC 3/23/2026