Symbol Legend

Actively Processing

Attacker

Business Process/
Workflow Logic

CPU

Cloud

Component or Program

Conflict Symbol

Connection Ports or
Virtual Switch

Core Switch

Decoupled Service Contract

Firewall

General Machine
Processable Document

General Physical Boundary

Grid Service

Hard Disk

Hard Disk with Enclosure

Heartbeat Message

Human

Human Readable Document

Hypervisor

Internet

LUN Migration

LUNs

Live Storage Migration

Live VM Migration

Logical Network Perimeter/
Logical Boundary

Malicious Component
or Program

Malicious Service Agent

Management System

Memory

Message

Message Queue

Mobile Computer

Mobile Devices

Multitenant Application

Network Adapter

Organization

Pattern

Pattern Currently
Being Covered

Physical Network Device

Physical Server

Policy

Private Key

Product, System
or Application

Public Key

Ready-made Environment

Remote Administration System

Repository or
Storage Device

Repository with State Data

Resource Cluster

Resource Pool

Revised Pattern

Router

Schema or Data Model

Security Element or
Locked Resource

Service

Service Agent

Service Composition

Service Contract
(Chorded Circle Notation)

Service Inventory

Service Layer

Service with State Data
(Stateful Service)

Services

Shared Storage

State Data in Memory

Storage Controller

Storage Device (Internal)

Storage Replication

Symbols Used in
Conceptual Relationship Diagrams

System or Program Boundary

Top-of-rack Switch

Transition Arrow

Trusted Attacker

User Interface/Portal

VI Manager

Virtual Desktop

Virtual Firewall

Virtual Network Device

Virtual Private Network

Virtual Server

Virtualization Platform

Workstation

Zone or Region
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