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Free Solution Architecture Document Template

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Executive Summary System Landscape Integration Architecture Data Flow Security Model Infrastructure & Sizing Risks & Mitigations

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Solution Architecture Document

Use this template to technical architecture for [client] [project].

Template Metadata

Field	Details
Category	Consulting
Owner	[Team or owner]
Version	[Version number]
Effective Date	[Date]
Review Cycle	[Monthly / Quarterly / Annual / Event-based]
Status	[Draft / In Review / Approved]

Executive Summary

Project context, solution overview, and key architectural decisions.

Item	Details	Owner	Status
[Item or requirement]	[Describe the relevant detail, evidence, or decision]	[Owner]	[Open / Complete]
[Item or requirement]	[Describe the relevant detail, evidence, or decision]	[Owner]	[Open / Complete]

Notes

[Add context, assumptions, exceptions, evidence links, screenshots, calculations, or reviewer comments.]

System Landscape

Describe all systems in the landscape including their roles, versions, and relationships. Use a text-based diagram or description of the system landscape showing how components connect.

Item	Details	Owner	Status
[Item or requirement]	[Describe the relevant detail, evidence, or decision]	[Owner]	[Open / Complete]
[Item or requirement]	[Describe the relevant detail, evidence, or decision]	[Owner]	[Open / Complete]

Notes

[Add context, assumptions, exceptions, evidence links, screenshots, calculations, or reviewer comments.]

Integration Architecture

Detail all integration flows between systems. For each integration, specify: source, target, middleware, protocol, data format, trigger mechanism, error handling, and SLA.

Item	Details	Owner	Status
[Item or requirement]	[Describe the relevant detail, evidence, or decision]	[Owner]	[Open / Complete]
[Item or requirement]	[Describe the relevant detail, evidence, or decision]	[Owner]	[Open / Complete]

Notes

[Add context, assumptions, exceptions, evidence links, screenshots, calculations, or reviewer comments.]

Data Flow

Document how data moves through the architecture for key business processes. Include data ownership, master data sources, and replication strategy.

Item	Details	Owner	Status
[Item or requirement]	[Describe the relevant detail, evidence, or decision]	[Owner]	[Open / Complete]
[Item or requirement]	[Describe the relevant detail, evidence, or decision]	[Owner]	[Open / Complete]

Notes

[Add context, assumptions, exceptions, evidence links, screenshots, calculations, or reviewer comments.]

Security Model

Define authentication and authorization mechanisms, data encryption (at rest, in transit), network security zones, API security, and compliance requirements.

Item	Details	Owner	Status
[Item or requirement]	[Describe the relevant detail, evidence, or decision]	[Owner]	[Open / Complete]
[Item or requirement]	[Describe the relevant detail, evidence, or decision]	[Owner]	[Open / Complete]

Notes

[Add context, assumptions, exceptions, evidence links, screenshots, calculations, or reviewer comments.]

Infrastructure & Sizing

Specify infrastructure requirements including compute, storage, network, and bandwidth. Provide sizing calculations for expected workloads.

Item	Details	Owner	Status
[Item or requirement]	[Describe the relevant detail, evidence, or decision]	[Owner]	[Open / Complete]
[Item or requirement]	[Describe the relevant detail, evidence, or decision]	[Owner]	[Open / Complete]

Notes

[Add context, assumptions, exceptions, evidence links, screenshots, calculations, or reviewer comments.]

Risks & Mitigations

Identify architectural risks with likelihood, impact, and mitigation strategies. Use Markdown with tables, code blocks for configuration, and text-based diagrams.

Item	Details	Owner	Status
[Item or requirement]	[Describe the relevant detail, evidence, or decision]	[Owner]	[Open / Complete]
[Item or requirement]	[Describe the relevant detail, evidence, or decision]	[Owner]	[Open / Complete]

Notes

[Add context, assumptions, exceptions, evidence links, screenshots, calculations, or reviewer comments.]

Review and Signoff

Document review conclusions, approvals, unresolved items, and next review date.

Role	Name	Date	Notes
Preparer	[Name]	[Date]	[Notes]
Reviewer	[Name]	[Date]	[Notes]
Approver	[Name]	[Date]	[Notes]

Template Guide

How to Use the Solution Architecture Document Template

When to Use This Template

Deploy this template when implementing enterprise systems requiring cross-platform integration and stakeholder alignment.

Starting multi-system integration projects requiring governance approval and budget
Responding to RFPs demanding detailed technical architecture documentation
Modernizing legacy systems with cloud migration or microservices transformation

What This Template Covers

This template produces a complete technical blueprint mapping systems, integrations, data flows, and infrastructure requirements.

Integration architecture with middleware protocols, data formats, and SLA definitions
Security model covering authentication, encryption standards, and compliance frameworks
Infrastructure sizing with compute, storage calculations, and risk mitigation strategies

Common Pitfalls to Avoid

Teams fail when treating architecture documents as static artifacts rather than living technical references.

Omitting error handling and failover mechanisms causes production outages
Vague security requirements lead to compliance failures and audit findings
Missing data ownership definitions create governance conflicts and integration delays

Template Structure

What the Solution Architecture Document Template Includes

Use this consulting template as a starting point, then customize each section to match your internal workflow, evidence, and signoff needs.

1

Executive Summary

Project context, solution overview, and key architectural decisions.

2

System Landscape

Describe all systems in the landscape including their roles, versions, and relationships. Use a text-based diagram or description of the system landscape showing how components connect.

3

Integration Architecture

Detail all integration flows between systems. For each integration, specify: source, target, middleware, protocol, data format, trigger mechanism, error handling, and SLA.

4

Data Flow

Document how data moves through the architecture for key business processes. Include data ownership, master data sources, and replication strategy.

5

Security Model

Define authentication and authorization mechanisms, data encryption (at rest, in transit), network security zones, API security, and compliance requirements.

6

Infrastructure & Sizing

Specify infrastructure requirements including compute, storage, network, and bandwidth. Provide sizing calculations for expected workloads.

7

Risks & Mitigations

Identify architectural risks with likelihood, impact, and mitigation strategies. Use Markdown with tables, code blocks for configuration, and text-based diagrams.

Recommended Structure

Write a Solution Architecture Document for a client IT consulting project. Structure with these sections:

Executive Summary

Project context, solution overview, and key architectural decisions.

System Landscape

Describe all systems in the landscape including their roles, versions, and relationships. Use a text-based diagram or description of the system landscape showing how components connect.

Integration Architecture

Detail all integration flows between systems. For each integration, specify: source, target, middleware, protocol, data format, trigger mechanism, error handling, and SLA.

Data Flow

Document how data moves through the architecture for key business processes. Include data ownership, master data sources, and replication strategy.

Security Model

Define authentication and authorization mechanisms, data encryption (at rest, in transit), network security zones, API security, and compliance requirements.

Infrastructure & Sizing

Specify infrastructure requirements including compute, storage, network, and bandwidth. Provide sizing calculations for expected workloads.

Risks & Mitigations

Identify architectural risks with likelihood, impact, and mitigation strategies.

Use Markdown with tables, code blocks for configuration, and text-based diagrams.

Example Filled Template

Solution Architecture — Dynamics 365 Integration for Pinnacle Manufacturing

Executive Summary

Pinnacle Manufacturing is implementing Microsoft Dynamics 365 Finance & Supply Chain Management to replace a legacy on-premises ERP. This architecture document defines the integration landscape connecting D365 with the existing MES (Manufacturing Execution System), PLM (Product Lifecycle Management), and the B2B e-commerce portal. The solution uses Azure Integration Services as the middleware layer.

System Landscape

                     ┌─────────────────────┐
                     │   Dynamics 365 F&SCM │
                     │   (SaaS — Tier 2)    │
                     └────────┬─────────────┘
                              │ Dataverse / OData
                     ┌────────┴─────────────┐
                     │  Azure Integration    │
                     │  Services (Logic Apps │
                     │  + Service Bus)       │
                     └───┬────┬────┬────────┘
                ┌────────┘    │    └──────────┐
        ┌───────▼──┐  ┌──────▼───┐  ┌────────▼─────┐
        │ Siemens   │  │ Windchill│  │ B2B Commerce  │
        │ MES       │  │ PLM      │  │ Portal (React)│
        │ (On-prem) │  │ (SaaS)   │  │ (Azure App    │
        └───────────┘  └──────────┘  │  Service)     │
                                     └──────────────┘

Integration Architecture

Flow	Source	Target	Middleware	Protocol	Trigger	SLA
Production Orders	D365	MES	Azure Service Bus	REST → OPC-UA	On release	30 sec
BOM Updates	Windchill PLM	D365	Logic Apps	REST/JSON	On ECO approval	5 min
Order Placement	B2B Portal	D365	Logic Apps	OData v4	Real-time	10 sec
Inventory Sync	D365	B2B Portal	Service Bus	Webhook/JSON	Every 15 min	15 min
Shop Floor Reporting	MES	D365	Service Bus	MQTT → REST	On completion	60 sec

Data Flow — Order-to-Delivery

Customer places order on B2B portal → Logic App creates Sales Order in D365
D365 runs MRP, generates planned production orders
Production order released → pushed to MES via Service Bus
MES reports completion → D365 posts production receipt
D365 triggers delivery note → inventory decremented → B2B portal updated

Security Model

Layer	Mechanism	Details
Authentication	Azure AD + OAuth 2.0	All service-to-service calls use client credentials flow
Network	Azure VNet + ExpressRoute	MES on-prem connected via ExpressRoute; PLM via VNet peering
Data at rest	TDE (D365) + Azure Storage encryption	AES-256, Microsoft-managed keys
Data in transit	TLS 1.3	Enforced on all endpoints
API security	Azure API Management	Rate limiting, JWT validation, IP whitelisting

Risks & Mitigations

Risk	Likelihood	Impact	Mitigation
MES latency on production order sync	Medium	High	Async queue with Service Bus; 3-retry policy with dead-letter
PLM BOM structure mismatch	High	Medium	Transformation layer in Logic App; validation rules pre-import
ExpressRoute outage	Low	High	VPN fallback with automatic failover (< 5 min RTO)

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Go-Live Checklist

Go-live preparation for [system] deployment

System Requirements Specification

Requirements for [client] [project]

UAT Test Plan

User acceptance testing for [system/module]

Template FAQ

Solution Architecture Document Template FAQ

Common questions about downloading and generating a solution architecture document template.

Using This Template

Q: What is a solution architecture document template?

A: A solution architecture document template is a structured document for technical architecture for [client] [project].

Q: Is the solution architecture document template really free?

A: Yes. The solution architecture document template is completely free to download in Word (DOCX), PDF, and Markdown formats. No signup or credit card required to download.

Q: How do I turn a video into a solution Architecture Document?

A: Upload a process walkthrough, training recording, or screen capture to Docsie. The AI analyzes the video and generates a complete solution Architecture Document using this template's structure — every required field auto-filled from the footage.

Q: Can I edit the solution architecture document template after downloading?

A: Yes. The DOCX format opens in Microsoft Word or Google Docs. The Markdown format imports into Notion, Confluence, Docsie, or any markdown editor. Customize fields, add your branding, and adapt to your internal workflow.