ITIL 4
ITIL 4
Information Technology Infrastructure Library 4
1. Overview of ITIL 4, IT Service Management for the Digital Transformation Era
flowchart LR
A["Process-centered management"] -- "Shift to co-creation of business value" --> B["ITIL 4 SVS"]
Definition: An IT Service Management (ITSM) framework designed to support the co-creation of value in a modern business environment.
Characteristics:
(Shift to SVS) A paradigm shift from ITIL v3’s process-centered approach to a Service Value System (SVS).
(Four Dimensions Model) Designs and operates services holistically across four dimensions: organizations, information, partners, and technology.
(Agile integration) Integrates with Agile, DevOps, and Lean methodologies to pursue both rapid value delivery and stability.
2. ITIL 4 Structure and Core Mechanisms
A. Service Value System (SVS)
flowchart LR
OPP["Opportunity / Demand"]
subgraph SVS["Service Value System"]
GP["Guiding Principles (7)"]
GOV["Governance"]
SVC["Service Value Chain"]
PR["Practices (34)"]
CI["Continual Improvement"]
GP --- GOV --- SVC --- PR --- CI
end
VAL["Value<br/>Co-creation"]
OPP --> SVS --> VAL
style SVS fill:#f0f7ff,stroke:#2563eb,stroke-width:2px
style SVC fill:#1e3a5f,color:#fff
| Component | Description |
|---|---|
| Guiding Principles | Seven core recommendations that guide the organization in various situations |
| Governance | The way the organization sets direction and exercises control |
| Service Value Chain | Six core activities combined to create value (Plan, Improve, Engage, etc.) |
| Practices | Sets of organizational resources configured to carry out work (34 practices) |
| Continual Improvement | Continuously aligning and improving services and products at every level |
B. The Four Dimensions Model for Service Management
flowchart TD
subgraph DIMS["Service Management: Four Dimensions"]
D1["1. Organizations & People"]
D2["2. Information & Technology"]
D3["3. Partners & Suppliers"]
D4["4. Value Streams & Processes"]
end
EF["External Factors (PESTLE)<br/>Political, Economic, Social, Technological, Legal, Environmental"]
EF -.-> DIMS
style DIMS fill:#fffbeb,stroke:#d97706,stroke-width:2px
| Dimension | Key Content |
|---|---|
| Organizations & People | Organizational structure, culture, competency, and defining roles and responsibilities |
| Information & Technology | Data, knowledge, workflows, and technology tools needed for service management |
| Partners & Suppliers | Relationships with external partners involved in service design, build, and operation |
| Value Streams & Processes | A series of activities and optimized workflows needed to create value |
3. Expected Effects and Practical Applications of ITIL 4
| Category | Key Expected Effect | Application and Practical Use |
|---|---|---|
| Business value | Co-creation of value | Directly linking to business outcomes by strengthening partnership with business units |
| Securing flexibility | Alignment with modern methodologies | Flexibly applying ITSM practices in DevOps and Agile environments |
| Continual improvement | Improving quality and efficiency | Innovating across the service lifecycle using the Continual Improvement model |