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5. Preliminary Phase

This chapter describes the education and initiation sports required to satisfy the commercial enterprise directive for a new EnterpriseArchitecture, together with the definition of an Organization-Specific Architecture framework and the definition of concepts. Figure five-1: Preliminary Phasefive.1 Objectives

The targets of the Preliminary Phase are to:Determine the Architecture Capability favored with the aid of the corporation:Review the organizational context for accomplishing Enterprise ArchitectureIdentify and scope the elements of the organisation companies stricken by the Architecture CapabilityIdentify the mounted frameworks, techniques, and methods that intersect with the Architecture CapabilityEstablish Capability Maturity goalEstablish the Architecture Capability:Define and establish the Organizational Model for Enterprise ArchitectureDefine and establish the distinct process and sources for Architecture GovernanceSelect and put in force gear that aid the Architecture CapabilityDefine the Architecture Principles5.2 Inputs

This section defines the inputs to the Preliminary Phase.five.2.1 Reference Materials External to the EnterpriseThe TOGAF LibraryOther architecture framework(s), if requiredfive.2.2 Non-Architectural InputsBoard techniques and board business plans, enterprise method, IT approach, commercial enterprise principles, business goals, and businessdrivers, whilst pre-existingMajor frameworks working within the business; e.g., task/portfolio controlGovernance and legal frameworks, including Architecture Governance approach, while pre-presentArchitecture functionalityPartnership and contract agreementsfive.2.three Architectural Inputs

Pre-current models for running an Enterprise Architecture Capability may be used as a baseline for the Preliminary Phase.Inputs would include:Organizational Model for Enterprise Architecture (see Part IV, 32.2.16 Organizational Model for Enterprise Architecture), which includes:Scope of organizations impactedMaturity assessment, gaps, and resolution techniqueRoles and obligations for structure crew(s)Budget necessitiesGovernance and guide methodExisting Architecture Framework, if any, including:Architecture approachArchitecture content materialConfigured and deployed gearArchitecture PrinciplesArchitecture Repository5.3 Steps

The TOGAF ADM is a regularly occurring approach, meant to be utilized by a wide range of different businesses, and in conjunction with awide style of different structure frameworks, if required. The Preliminary Phase therefore includes doing any important work toinitiate and adapt the ADM to define an company-unique framework. The problems involved with adapting the ADM to a specificorganizational context are mentioned in detail in 4.three Adapting the ADM .

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The level of element addressed in the Preliminary Phase will depend upon the scope and desires of the overall architectureeffort.

The order of the steps inside the Preliminary Phase in addition to the time at which they’re formally started out and finished must beadapted to the scenario to hand in accordance with the established Architecture Governance.

The steps in the Preliminary Phase are as follows:5.three.1 Scope the Enterprise Organizations Impactedfive.three.2 Confirm Governance and Support Frameworksfive.3.3 Define and EstablishEnterprise Architecture Team and Organizationfive.three.4 Identify and Establish ArchitecturePrinciples5.3.5 Tailor theTOGAF Framework and, if any, Other Selected Architecture Framework(s)five.3.6 Develop a Strategy andImplementation Plan for Tools and Techniquesfive.3.1 Scope the Enterprise Organizations ImpactedIdentify middle agency (gadgets) – people who are most affected and obtain maximum fee from the workIdentify gentle enterprise (gadgets) – folks who will see alternate to their capability and work with center gadgets however are in any other case notdirectly affectedIdentify prolonged business enterprise (gadgets) – the ones gadgets outside the scoped company who could be affected in their personal EnterpriseArchitectureIdentify communities concerned (establishments) – the ones stakeholders who can be affected and who are in groups of groupsIdentify governance concerned, including felony frameworks and geographies (organisations)5.3.2 Confirm Governance and Support Frameworks

The structure framework will shape the keystone to the flavor (centralized or federated, light or heavy, and so on.) of ArchitectureGovernance agency and tips that need to be advanced. Part of the major output of this section is a framework forArchitecture Governance. We need to understand how architectural cloth (requirements, hints, models, compliance reports, etc.)is introduced below governance; i.e., what kind of governance repository characteristics are going to be required, what relationshipsand status recording are necessary to examine which governance method (dispensation, compliance, take-on, retirement, and many others.) hasownership of an architectural artifact.

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It is possibly that the existing governance and help fashions of an organization will need to change to assist the newly adoptedarchitecture framework.

To manipulate the organizational alternate required to adopt the new architectural framework, the contemporary business enterprise governance andsupport models will want to be assessed to recognize their average shape and content. Additionally, the sponsors and stakeholdersfor structure will want to be consulted on capacity impacts that could occur.

Upon of entirety of this step, the architecture touch-points and probably affects must be understood and agreed with the aid of relevantstakeholders.five.three.three Define and Establish Enterprise Architecture Team and OrganizationDetermine existing business enterprise and business functionalityConduct an Enterprise Architecture/commercial enterprise exchange adulthood assessment, if requiredIdentify gaps in current work regionsAllocate key roles and duties for Enterprise Architecture Capability control and governanceDefine requests for exchange to current business packages and initiatives:Inform current Enterprise Architecture and IT architecture paintings of stakeholder requirementsRequest evaluation of effect on their plans and workIdentify common regions of hobbyIdentify any important differences and conflicts of interestProduce requests for alternate to stakeholder sportsDetermine constraints on Enterprise Architecture paintingsReview and trust sponsors and boardAssess budget necessitiesfive.three.4 Identify and Establish Architecture Principles

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Architecture Principles (see Part III, 20. ArchitecturePrinciples) are primarily based on commercial enterprise ideas and are critical in putting the foundation for Architecture Governance. Oncethe organizational context is known, outline a fixed of Architecture Principles that is appropriate to the enterprise.5.three.five Tailor the TOGAF Framework and, if any, Other Selected Architecture Framework(s)

In this step, decide what tailoring of the TOGAF framework is needed. Consider the want for:Terminology Tailoring: structure practitioners must use terminology this is normally understood throughout theenterprise

Tailoring need to produce an agreed terminology set for description of architectural content material. Consideration must be given tothe creation of an Enterprise Glossary, to be updated in the course of the structure procedure.Process Tailoring: the TOGAF ADM offers a ordinary procedure for carrying out structure

Process tailoring offers the possibility to put off duties which are already carried out someplace else inside the business enterprise, addorganization-specific tasks (inclusive of specific checkpoints), and to align the ADM methods to outside manner frameworks andtouch-factors. Key contact-factors to be addressed could consist of:Links to (challenge and provider) portfolio management approachesLinks to mission lifecycleLinks to operations handover techniquesLinks to operational management tactics (which includes configuration control, change control, and service management)Links to procurement strategiesContent Tailoring: the usage of the TOGAF Architecture Content Framework and Enterprise Continuum as a foundation, tailoring ofcontent shape and category technique allows adoption of 0.33-party content material frameworks and also allows for customizationof the framework to guide agency-particular requirementsfive.three.6 Develop a Strategy and Implementation Plan for Tools and Techniques

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