The ECDM is organized into three top-level subject areas, each of which also divides into three subject areas. The allocation of ESM mechanisms to system components. The IRS Release Architecture (RA) is an IRS near-term IT plan encompassing all major and selected (strategic) non-Major IT projects planned for delivery within a sliding timeframe that includes the next three fiscal years. The ELC Domains of Change view of the EA is really a summarization of all the technical components of the EA as they guide the development of systems. Seventeen components of an enterprise architecture are classified and described in this chapter download. The System Design items provides a high-level description of the design of the systems needed to satisfy the functional, performance, security and privacy, and system management requirements detailed in the System Requirements . The IRS EA captures the current state of the IRS Enterprise in an As-Built Architecture, defines the desired future state of the IRS Enterprise in a Target Architecture, and defines a plan for getting from the current state to the desired future state in an Enterprise Transition Plan. The RA manages the complex relationship between projects and releases with planning domains. However in many cases, the performance goals specified by these matrices are incomplete. Ensure that projects take advantage of common infrastructure services in order to get maximum return on investment from a shared infrastructure environment, reduce redundant infrastructure, and enhance the use of common security, privacy, services management, and services delivery policies. Authoritative data definitions and guidelines. In addition to that model, EA specifies security requirements for traceability of Privacy and Technical Security Requirements to Business Process Security and Privacy Considerations and the crosswalk of NIST SP 800-53 and ETA Security Requirements. Producing an Enterprise-wide solution provides for a high degree of flexibility with regard to implementing evolutionary changes to the operational model with the least amount of disruption to service levels. Within this context, Communications Services discusses the network infrastructure elements and the technology needed to support the System Interfaces, and Enterprise Services discusses specific services supporting the System Interfaces. To demonstrate alignment and support of the FEA Performance Reference Model. The Microsoft 365 for enterprise poster is a central location for you to view: The benefits of Microsoft 365 for enterprise, and how apps and services map to its value pillars. IRS business processes are associated with the specific process / role matrices that accompany each business process area description. These 508 standards, requirements, and regulations include the provisions for building 508-specific technical requirements, functional performance criteria, and both system and user interfaces into the design. Section 508 compliance is a driver for the design of interfaces for all IRS systems. Data Strategy: develops a coherent approach that will reduce data redundancy and the large operating costs caused by multiple, replicated or similar data stores. The EA provides a security risk assessment model that supports the Enterprise target systems security architecture. Business drivers defined in the business architecture lead to the elaboration of functional and technical requirements. Release Architecture is an incremental step along the transition path. Crosswalk of NIST SP 800-53 and ETA Security Requirements. Submission Processing: provides the filing of both paper and electronic tax returns and the initial capture and accounting for tax revenues. The IRS EA presents programmatic requirements for the IRS Business Systems Modernization Program. These key concepts are: The enterprise context diagram profiles the business environment in which the IRS operates. The key standards component is the Enterprise Standards Profile (ESP) database. Segment architecture is fully reconciled with the agency enterprise architecture. Customer Service: provides tax law and compliance assistance, taxpayer education, and taxpayer account, refund, and notice inquiries. Finally, Technical Domains were recently introduced into the MV&S Framework. through 3.5.6 identify the enterprise’s architecture products and explain their contents from both a row and column perspective. The following list includes all the Technology Work Products: The Security and Privacy Work Products are a subset of the Systems Architecture work products. EA leverages existing systems, as defined in the As-Built Architecture, and new development to build capabilities, optimize capacity, manage program costs, and deliver business value on an incremental and frequent basis. There are two such models: Allocation of Security Mechanisms to System Components: allocates the security mechanisms specified in the Security Requirements model to system components identified in the IRS Logical Business Systems / Allocation of Functional and Data Requirements to Systems model. The RA also documents dependencies between different projects and their releases. Exempt organization (IRC Section 6104) public disclosure of 527, Taxpayer receives individual assistance with unpaid balance for previous year’s taxes. Term. (3). Knowledge Management (KM) Data. This hierarchical organization parallels the Enterprise Conceptual Data Model’s definitions of taxpayer and third party. An organization’s ConOps is typically a key driver of changes to any of the six domains of change – organization, location, business process, data, applications and/or technology. Infrastructure architecture: (Each mechanism corresponds to one or more security requirements specified in the Security Requirements model). Figure 107 depicts the Metabase high-level data model for storing the data contained in the enterprise’s architecture. The Business Architecture comprises the following content areas: Business Services and Processes, including a description of an initial set of Business Services. Project Managers: support the following activities: Ensuring that key stakeholders (organizations and roles affected by project scope) are involved on the project team. Security Processing Thread (part of the Security Architecture work product). Security & Privacy: manages the integration of the multiple legislative, regulatory, and departmental requirements specified by federal law, such as the Privacy Act, Presidential Directives, and the E-Government Act, including the Federal Information Security Management Act (FISMA). hardware none telecommunications services View Feedback 1 / 1 point Enterprise architecture consists of the following three major components: application architecture, information architecture, and technical architecture process modeling… The Change Request (CR) process ensures that all projects adhere to the standards and guidelines set forth in the EA. The IRS EA is accessible to IRS employees on the IRS Intranet. The Location Type Definitions identify and classify all of the distinct types of locations where IRS conducts business (directly or indirectly) or where critical functions are performed in support of IRS business or technical operations. The process of managing updates to Enterprise Architecture components and artifacts - ensuring that standards are being followed. Which of the following are the three main … These operational policies and procedures must be well defined and, in most cases, captured in the IRS Systems Standards Profile (SSP). User and Network Services: delivers premier IT products and services to the IRS, provides a single point of contact for requesting MITS products and services; supports the desktop environment as well as inventory management, workstation software integration, data security. Recognizing the dependencies and establishing key attributes of projects early in the life cycle, while the cost of changes or fixing problems is relatively small. Further, the ETB is regularly socialized through briefings, and these sessions provide a forum for stakeholders to provide feedback. Third party online request for a taxpayer transcript. Security Considerations of Target Architecture Business Processes. The major difference between containers and VMs is that containers can share an OS and middleware components, whereas each VM includes an entire OS for its use. If a term does appear in both, the definition in the Glossary of IRS Business Terminology has precedence. It is divided into the Glossary defining all terminology and the Acronyms List defines acronyms used in the EA. Current) in the IRS and when the products are Sunset through the product lifecycle management process. the following list includes all the Security and Privacy Work Products: Federal Laws and Regulations Applicable to Security and Privacy (part of the Programmatic Requirements Work Product). The TRM describes the technologies that will be assembled into a system to support the IRS Enterprise applications processing requirements. The EA provides summaries of organization-level business concepts of operations (ConOps) that have been completed, processed, and approved for inclusion in the EA. Other models of the security view include: Security Considerations of Target Business Processes: Specifies very high-level security requirements for target business processes. Answer to which of the following are major components of the enterprise architecture? (select, Which of the following will occur if a company changes its business. The Enterprise-wide Sequencing Plan describes how the existing and proposed investments align to the IRS vision and strategy. Export the data from SQL Server to flat files (bcp utility). The EA is composed of the following three major components and many sub-components within each major component: As-Built Architecture including all information technology applications. The purpose of the Role Definitions section is to identify and classify roles that support the core business of the IRS; it is not intended to be an exhaustive list of roles. To demonstrate alignment of major IT investments with the FEA Service Component Reference Model (SRM). It can be a tax service or a service that provides a tax product. Functions that are depicted in activity diagrams using the Unified Modeling Language (UML) notation. It consists … Process definitions that provide a robust description of processes and sub-processes, including key activities, data inputs and outputs, and security and privacy considerations. Ensuring that their business results are consistent with the business services offered, business process visions, and supporting high level process designs. The data architecture component of the EA addresses the key principles that affect the way that projects create and use data. Course Hero is not sponsored or endorsed by any college or university. Published: 06 Jun 2007. 1 / 1 point Enterprise architecture consists of the following three major components: application architecture, information architecture, and technical architecture hardware, software, and telecommunications business strategy, business goals, and objectives process modeling, process documentation, and business process reengineering View Feedback 1 / 1 point Which of the following are advantages of cloud computing… The key role of an ERP system is to provide support for such business functions as accounting, sales, inventory control, and production. The Business Process Model includes: Process hierarchies in the form of decomposition diagrams that show structure. Arrays of management capabilities must be provided in order to achieve a "best-practice" ESM solution for the IRS. It illustrates how these programs and projects fulfill business goals and objectives for IRS domains, the IRS and Treasury. Data resources and technologies, including metadata and XML. The JFMIP states that Effective financial management depends upon appropriate control of business transactions, in accordance with internal control standards, and recording business event information in a manner that satisfies multiple users and uses. Provide high level strategic goals from which actionable goals can be derived. Other models of the privacy view include: Privacy Considerations of Target Architecture Business Processes: Specifies very-high-level privacy requirements for target business processes, Security Categories of ETA Architecture Business Processes: Identifies FIPS 199 security categories for target business processes. Inform IT Investment Prioritization and Decision Making: The ETB provides a framework for identifying and evaluating potential investments and ensuring their alignment with a common enterprise vision. Cisco Enterprise Edge (220.127.116.11) The enterprise edge module provides connectivity for voice, video, and data services outside the enterprise. ESM mechanisms will be used to execute and enforce most of these policies and procedures. The plan identifies the schedule for enterprise-wide management of multiple, concurrent, and interdependent development efforts. Impacts of budget cuts or changes to program priorities that result in cancelled or delayed projects can be quickly assessed using the plan. (1) All of the existing content, last updated in 2009, has been revised and replaced. The goals of defining these common decisions are to: Ensure that projects deliver functionality that can be integrated and maintained in the IRS environment. Allocation of Security Mechanisms to System Components (part of the Security Architecture work product). These Work Products define the measures necessary to protect sensitive IRS assets, including taxpayer information. The three-dimensional framework … Like other business enterprises, the IRS offers an array of services, similar to a menu or catalog of services that identifies the various products and services that one can obtain from that business enterprise. It is understood that no single tool will likely be capable of performing all ESM functions for all platforms and components. Additional legislative requirements include Federal Acquisition Requirements (FAR) regulations. Chief Counsel: provides legal guidance and interpretative advice to the IRS, Treasury and to taxpayers on all matters pertaining to the interpretation, administration and enforcement of the Internal Revenue code. Ensuring that their project scope is unique and well understood by the project team, key stakeholders and sponsors. Application Development: delivers integrated software solutions that address the objectives and priorities of the IRS. Employing a set of comprehensive sources of guidance including the Enterprise Lifecycle (ELC) Methodology, the ConOps Guidance Toolkit, and the supplementary materials available on the IRS EA website. Manage Taxpayer Accounts: provides the data, systems, and processes used to manage taxpayer accounts. Chartering new strategic initiatives or projects. As shown in Figure 1-16, the enterprise edge module consists … Given the broad scope of many of the referenced requirements, some provisions of some of these requirements may not be fully applicable to the IRS business systems modernization program. … Business Owners - Business Operating Units, Agency Wide Shared Services, Security and IT Operations. The U.S. Federal Enterprise Architecture (FEA) is an initiative of the U.S. Office of Management and Budget (OMB), Office of E-Government and IT, that aims to realize the value of enterprise architecture within the U.S. Federal Government from an investment perspective. Allocation of Security Mechanisms to System Components: Allocates the security mechanisms specified in the Security Requirements model to target logical business systems. The data the IRS receives and works with in its day-to-day processing of individual transactions. Provide a high-level assessment of the impact of the future state changes to the organization. The IRS Enterprise Technology Blueprint (ETB) articulates the envisioned long-range technology environment and describes how technology will be leveraged and deployed in support of the strategic IRS business direction. This translates into specific focus areas – delivering applications for the IRS, delivering the filing season, and maintaining legacy technology systems. The core IRS business processes support the strategic goals as described in the Strategic Plan. The higher level external entities are listed below: EE-1.2 – Organizational Taxpayers (not shown on context diagram), EE-2.0 – Third Parties (not shown on context diagram), EE-2.4 – Other Third Parties (not shown on context diagram), EE-2.4.1 – Other Taxpayer/IRS Intermediaries. STM also provides leadership and guidance for emerging technologies with the approval of Proof-of-Concepts and Demos. Strategy and Planning: provides business planning and risk management, financial management, investment and portfolio controland oversight, and strategic supplier management. It comprises the following seven topics: Traceability of data and functional requirements to business processes. Terms in this set (29) Enterprise architecture is made up of three things: Information architecture. In addition, the ETB is available online for all IRS employees and contractors with access to the intranet, and anyone may contact the EA team with proposed changes, which EA evaluates, prioritizes, and incorporates as appropriate. Enterprise Architecture Planning model consists of four levels: Level 1 - getting started : This layer leads to producing an EAP workplan and stresses the necessity of high-level management commitment to support and resource the subsequent six components (or steps) of the process. The external entities are organized hierarchically with top-level entities broken down into second-level and sometimes third-level entities. To demonstrate cross-business process integration. (Sensitivity classification indicates whether a data class is sensitive or non-sensitive and, if sensitive, its sensitivity type [for example, Taxpayer, Employee Personal, Law Enforcement].) Load a semantic model into Analysis Services (SQL Server Data Tools). The RA provides an integrated view of the IRS-wide consolidated IT project portfolio and its effect on the Enterprise Architecture and IT environment. The ABA provides the relationships between elements within each domain, for example, applications are linked to the technology platforms that host the application; technology platforms are linked to the physical and logical locations where they reside. Business Architects: support the following activities: Business process reengineering activities, and for planning Business Process Redesign Projects to ensure that project designs align with the business vision and supporting high level process designs and business services. It summarizes the current state of the current production environment, documents challenges and goals for the IRS by business, technical or service domain, includes the defined portfolio of programs and projects for achieving the transition. While the business architecture covers concepts related to business process, organization, and location, the technical architecture covers concepts and strategies related to data, applications, and technology. EA Guidance documents include Enterprise Data Standards and Guidelines (EDSG), Service-Oriented Architecture (SOA) Guidance, .NET Guidance, and Design patterns. The goal of enterprise architecture is to create a unified IT environment across the firm or all of the firm's business units, with tight symbiotic links to the business side of the organization and its strategy. Without enforcement of the EA, the IRS risks buying software and building systems that are duplicative, incompatible, and unnecessarily costly to maintain and integrate. These three dimensions, shown schematically as orthogonal axes in the following figure, help to clarify the architectural functions of Java Enterprise System components. Three high-level components to the Enterprise Architecture Framework were defined in the Enterprise Architecture Development Tool-Kit V2.0. Reporting Compliance: directs activities designed to strengthen compliance by identifying taxpayers non-compliant with reporting requirements that impact their tax liability or exempt status. a series of events to get something done View Feedback 1 / 1 point Which of the following is the most important part of an IT infrastructure? Security Risk Assessment: Estimates the relative degree of security risk associated with major target system components. Security Categories of ETA Business Processes. Cybersecurity: ensures compliance with federal statutory, legislative, and regulatory requirements governing confidentiality, integrity, and availability of IRS electronic systems, services, and data in accordance with FISMA. It informs, guides, and constrains all IRS IT Projects in how to optimize the interdependencies and interrelationships among business operating divisions and the underlying IT that supports operations. Privacy Considerations of Target Architecture Business Processes. Audience: (1). Enterprise Target Architecture and its sub-components including EA Strategy and Function, EA Roadmap, EA Principles, EA Requirements, Business Architecture, Organization and Location, Data Architecture, Application and Technology which covers System Architecture, System Interfaces, Technical Architecture, Application Architecture, Security Architecture, System Management Architecture, Technical Guidance and Design Patterns, Service Repository and Service Oriented Architecture, and Enterprise Standards Profile. All IRS organizations that own or manage IT applications in the CPE are required to provide updates to the EA organization so that the ABA remains updated and is as complete as possible in order to answer external data calls for application-related information. Documents and data about how the IRS conducts business. The EA provides business scenarios that demonstrate how selected business processes contained in the EA support key business events. The purposes of this IRM are to: Define the EA and depict the key components of EA, Define how the EA fits within the concept of operations for the business. Focus on the future state defined as five years out and beyond. The product lifecycle status dates provide guidance for technology insertion, product deployment, and version updates as well as identifying when products are no longer supported and must be removed. Functions that are organized primarily by the business areas described in Business Processes. Enterprise Architecture, of which the As-Built-Architecture (ABA) is one component, is mandated by a series of federal laws to maintain and report annually to OMB on their respective ABAs. The multi-tier approach includes web, application, and database tiers of servers. Sensitivity Classification of ECDM Data Classes (part of the Data Requirements work product). The IRS EA discusses Enterprise System Management (ESM) as the basis for designing and deploying a complete systems management capability at the IRS. This section includes the scope, purpose, and objectives of Enterprise Architecture. The IRS EA provides a detail description of the IRS layers and interfaces, incorporating graphical detail depicting the IRS Enterprise Target Systems architecture. EA continuously assesses the IRS landscape and plans and proactively identifies and validates needed changes. Enterprise architecture consists of the following three major components: hardware, software, and telecommunications business strategy, business goals, and objectives application architecture, information architecture, and technical architecture process modeling, process documentation, and business process reengineering View Feedback … It provides IRS business and IT stakeholders a common long-range view of IRS operations from a business and IT perspective and depicts the alignment between business and IT concepts. Levels for enterprise integration. The Business Work Products also define the overall direction for the business systems. In addition, EA manages performance, functional, and system management requirements and provides traceability of data and functional requirements to business processes. Acting CIO, Information Technology. The principles contained in the EA are statements describing the preferred architectural direction for the IRS. The top level view of OEAF (Figure 1) shows the four major views of the enterprise architecture (Business, Application, Information and Technology) in red. ERP vendors, including SAP, Oracle, and Microsoft… The three top-level areas are: Transaction Data. The Location Model View consists of Location Type Definitions which identify and classify all of the distinct types of locations where the IRS conducts business (directly or indirectly) or where critical functions are performed. Process flow diagrams that illustrate functions within major processes (shows interrelationships between subprocesses). Enterprise architecture regards the enterprise as a large and complex system or system of systems. It is known by its characteristics, its operation cycles (business and calendar), subordinate business information systems, employed databases, views, and associated Resource Life Cycle nodes. The ABA allows Business Analysts and Information Technology (IT) professionals to view the CPE from both technical and business perspectives using IRS’ Enterprise Life Cycle’s (ELC) Six Domains of Change, to see interrelationships between technological and business domains, and get information necessary to make informed decisions. Enterprise Architecture directs all users of its products to develop, procure, maintain, or use Information and Communication Technology (ICT) ensure that these technologies provide access to information and data for people with disabilities. In general, the IRS’ Enterprise context diagram does not describe interactions among the multiple roles of organizations unless those interactions are applicable to IRS business. Outline potential areas of process change. IRS business processes are associated with the specific Location Types at which they are performed in process / location type matrices. The ESP focuses on the functionality of standards and approved products. Third party support also is addressed. The Target Architecture comprises the Business Architecture, the Systems Architecture, Application Architecture, Data Architecture, Security Architecture and the Technical Architecture. Reporting compliance (remote assistance) requiring an exam. It describes the external entities with which the IRS interacts. The vision and strategy framework is built on the functional segmentation of the IRS, representing the core mission business functions that directly relate to front-line tax administration. While the first model shows the form of the systems security architecture, the second model shows something of its behavior. The Enterprise Transition Strategy (ETS) describes the overall IRS vision and strategy, and how existing and proposed investments align to it. In addition, the blueprint is available online for all IRS employees and contractors with access to the intranet, and anyone may contact the EA team with proposed changes, which the EA team evaluates, prioritizes and incorporates as appropriate. The matrix is provided to assist in business case development and provide stronger justifications of proposed improvements to IRS business processes by demonstrating a clearer line of sight to IRS business results. The ETS also describes how these programs and projects fulfill business goals and objectives of the IRS and US Treasury and highlights the impacts of transition on the current production environment and system retirements result from modernization efforts. The focus is on functional and physical locations that are durable over time. Business investments and resources are also fully aligned with the approved segment architecture. The inclusion of all systems components in the management solution is vital to ensure a consistent, cost-effective, and highly available operating environment. IRS Organization Descriptions, which are part of the IRS EA Organization Model View, identify and describe the organizational entities that comprise the IRS. Subject. EA describes programmatic requirements as those based on security and privacy; the IRS; and all agencies. These performance requirements are primarily based on the performance goals specified in the Process Thread Performance Matrix (provided in the EA’s Performance Architecture section). Other Models of the Target Architecture Privacy View: The privacy architecture view of the Target Architecture consists of other models besides the two named just above. The ETS summarizes the current state of the current production environment, documents challenges and goals for the IRS by business, technical or service domain, includes the defined portfolio of programs and projects for achieving the transition. The Systems Architecture is presented in two logical sections: The System Requirements items detail the needs identified during a comprehensive systems analysis. The Standards and Technology Standards (STM) organization is responsible for administering the configuration and change-management processes. The Business Work Products define all business-related aspects of the target state including business processes, organization, and location. Decision Makers - Commissioners and governance bodies. Ensure that projects that develop application services can make certain of these services available to other IRS business systems in order to promote re-use of application functionality and to eliminate duplication of effort and redundant data.
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