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A2160-667 exam Dumps Source : Assessment: IBM Architectural Design of SOA Solutions
Test Code : A2160-667
Test Name : Assessment: IBM Architectural Design of SOA Solutions
Vendor Name : IBM
: 105 Real Questions
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As IBM repositions itself, shedding its networking and x86 server divisions, there’s somewhat a bit of of curiosity related to the specifics of its shift in enterprise focal point, as well as how it will have an effect on the enterprise’s many companions and shoppers.
Dave Vellante (@dvellante) and Stu Miniman (@stu), cohosts of theCUBE, from the SiliconANGLE Media crew, met to check and check the implications of a few bulletins, shows and interviews from the primary day of this yr’s IBM area conference, along with a glance ahead to anticipations for the leisure of the week.The essentials
within the initial review of the hole day to what Vellante called a “classic IBM adventure,” the hosts picked out what appeared to be the underlying drivers of innovations and market push showcased at IBM part.
“It’s all about analytics,” Vellante cited, with the OpenPOWER basis, intended to promote and extend power structure RISC processing, spotlighted as part of this push. “When individuals first heard about OpenPOWER, they notion, ‘Oh, there’s IBM’s Hail Mary,’” Vellante pointed out, notwithstanding he felt that by way of this aspect, “It appears like, steady as she goes.”
For his half, Miniman felt that whereas analytics have been important, they weren’t by myself in IBM’s most important plans. “IBM does a very good job with the breadth and the depth of americans at this conference,” Miniman talked about. “We stated one of the bits and bytes, and a few of the products that IBM has, however’s actually about … how cognitive computing, IoT, all of those traits … are going to affect enterprise,” he persevered.Hidden troubles
however in spite of this, there have been facets to up to date developments on which IBM didn’t appear to have such an organization draw close. “[They were] sort of dancing round hyper-converged … in order that’s type of a query mark,” Vellante stated. And Miniman agreed, pointing to the likelihood of hyper-converged’s future dominance. “whereas today converged is quite a bit bigger than hyper-converged, hyper-converged has a good boom price,” Miniman defined.
“the new stuff isn’t massive adequate … to offset the decline within the ancient stuff,” Vellante brought. “The difference with IBM is … [it has] been capable of continue to hit its earning, throw off sufficient money to do some main inventory purchase-backs. … If [IBM’s strategy] begins taking off … then IBM is an undervalued enterprise.”
nonetheless, looking forward, both hosts saw the future as an ordinary advantageous one for IBM. “anytime there’s been a huge change, IBM’s nonetheless there,” Miniman cited.
And in adapting to the latest tech upheavals, they felt that IBM turned into doing a superb job of involving itself, as opposed to trying to withstand change. “You’re seeing a whole new kind of wave of storage improvements. … IBM wants to be a participant there,” Vellante noted, giving IBM an evaluation as: “massive company, nevertheless particularly critical and supportive of the cognitive [computing initiative].”
Watch the finished video interview beneath, and be sure to check out extra of SiliconANGLE and theCUBE’s coverage of IBM facet 2016.photograph by using SiliconANGLE considering you’re right here …
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SAN FRANCISCO, Feb. 12, 2019 (Canada NewsWire by way of COMTEX) -- equipment and capabilities designed to aid companies deploy new applications across hybrid cloud environments with security and efficiency
IBM consider -- IBM IBM, +0.sixty five% nowadays introduced new hybrid cloud choices to support businesses migrate, combine and manipulate applications and workloads seamlessly and with safety throughout any public or deepest cloud and on-premises IT environment.
The IBM Institute for enterprise cost estimates that with the aid of 2021, 98 percent of businesses surveyed plan to adopt hybrid architectures, but just 38 % can have the tactics and tools they should function that environment(1). The manner these days is difficult since it is basically manual with primary safety implications and an absence of consistent management and integration equipment.
As part of latest news, IBM is launching new hybrid cloud tools and features designed to aid businesses navigate the complexities of this new landscape:-- New IBM Cloud Integration Platform designed to in the reduction of time and complexity to launch new capabilities and functions throughout cloud environments in a consistent and comfortable manner. -- New IBM functions designed to suggest on holistic cloud recommendations. -- New IBM services designed to simplify the administration of resources across cloud environments. -- New features designed to supply business-leading security for facts and functions in the public cloud.
"At Aetna, a CVS health company, they see hybrid cloud as an integral part of their transformation event," mentioned Claus Torp Jensen, Chief know-how Officer, Aetna. "We wish to use the most excellent services from quite a few cloud suppliers to create a seamless customer adventure and digitalize underlying enterprise tactics. For that, we're taking an API-centric approach to integration and making sure that every one of their APIs are readily accessible throughout their hybrid cloud ecosystem."
New Cloud Integration Platform Designed to Dramatically cut back Coding Time, Complexity
The IBM Cloud Integration Platform is designed to safely connect purposes, utility and functions from any supplier in spite of no matter if those programs are on-premises, in a public cloud or a personal cloud. The platform brings together a complete set of integration equipment in a single building ambiance. it might probably assist enrich productiveness as a result of integration consultants can write, test and secure code once, shop it within the platform and reuse it - an onerous task that as soon as monopolized their time. this can assist groups cut the time and value of integration by using 1/3, while staying inside their wonderful requirements for safety and compliance(2).
Integration is vital as companies optimize business strategies and create extra customized client experiences. besides the fact that children, integration is fitting more and more advanced as a result of many companies surveyed are already the use of between two to 15 different clouds and need to installation new cloud functions corresponding to AI, analytics and blockchain to live ahead of the competition(3).
With the IBM Cloud Integration Platform, companies can without delay bring to market new capabilities whereas freeing up integration specialists to focal point on the more complicated, equipment-stage integrations.
"Most big organizations have data and workloads spread throughout diverse public and personal clouds, SaaS and on-premises environments - once in a while on account of their company technique infrastructure, however also for compliance, regulatory and facts privacy causes," talked about Denis Kennelly, well-known manager, cloud integration, IBM. "The challenge during this atmosphere is to beat statistics and know-how siloes to rapidly set up new company functions and applications with security. today, they are launching new capabilities designed to help unleash the complete vigor of the hybrid cloud."
gain knowledge of extra in regards to the new IBM Cloud Integration Platform through travelling: www.ibm.com/cloud/integration/platform
New end-To-end IBM Hybrid Cloud features
IBM is launching new IBM services for Cloud approach and Design, a comprehensive set of features designed to advise purchasers on how to architect the right holistic cloud method from design, migration, integration, highway mapping and architectural features to navigating their event to cloud. IBM functions is organising committed teams of consultants who are certified consultants in the latest services and technologies throughout diverse cloud systems. groups will use open and at ease multicloud suggestions, drawing upon IBM's event in IT transformation and collaboration with an ecosystem of cloud partners. the new capabilities leverage IBM's industry-leading Cloud Innovate method, automated determination accelerators and IBM Cloud garage strategy to assist purchasers with co-advent and scaled innovation in utility building, migration, modernization and administration.
building off of a fresh partnership growth announcement with ServiceNow, IBM is additionally introducing new IBM services for Multicloud management to give a single device to help businesses simplify the management of their IT supplies across numerous cloud suppliers, on-premises environments and private clouds.
The start of IBM services for Multicloud administration comprises three layers designed to give a single management and operations system:-- company administration - applications that supply digital service ordering, contemporary carrier administration, and value governance to support control spend; -- Orchestration - an automation layer that helps enable services of differing kinds, from diverse carriers to be integrated quite simply and made attainable to patrons; -- Operations - a layer that helps enable infrastructure and operations administrators to display screen and hold programs, including legacy infrastructure, inner most cloud, public cloud and container environments.
additionally, it contains a unified, self-carrier experience to users to facilitate sooner and more convenient entry to cloud functions by means of an environment integrated with the ServiceNow Portal to configure and buy cloud capabilities and solutions from distinct cloud suppliers. It additionally provides performance management functions and offers the ability to display screen and manipulate the fitness of the cloud.
"As they grow their digital enterprise, relocating their functions to the cloud is critical to assist modernize their tactics and deliver even enhanced experiences for their purchasers. Adopting the appropriate approach and migration strategy to cloud has to be seamless and requires an knowing of their IT landscape," noted Sarp Uzkan, vice president, IT, Tribune Publishing. "IBM cloud advisory functions and equipment supplied a detailed assessment that determined no longer handiest which functions would be most advantageous to movement to the cloud but a robust enterprise case that would meet their wants and enabling us to explore the finest strategy for relocating to the cloud."
be trained more concerning the new IBM functions through visiting: http://www.ibm.com/blogs/cloud-computing/2019/02/12/new-ibm-features-multicloud-world/
trade-main protection for facts and functions in the Public Cloud
protection continues to be a appropriate difficulty throughout all industries and markets when deploying apps and data in hybrid cloud environments. so as to minimize threats, firms deserve to the skill to protect data at every stage of its experience, without problems control entry and identification and profit visibility into the security posture for all of their purposes.
IBM is launching the IBM Cloud Hyper protect Crypto service, which is designed to give trade-main protection on the public cloud and is made possible through bringing IBM LinuxONE into IBM's world cloud statistics facilities. This service will provide encryption key administration with a dedicated cloud hardware protection module (HSM) built on the handiest FIPS one hundred forty-2 degree 4-based expertise offered through a public cloud company(4).
here is part of the IBM Cloud Hyper offer protection to family unit of services, which is already presenting businesses like DACS and Solitaire Interglobal with business-leading safety and resiliency for his or her applications. To deliver high ranges of security throughout each public and personal clouds, IBM is additionally announcing enormous enhancements to IBM Cloud deepest on Z.
learn extra about IBM's new capabilities in cloud protection by way of touring: https://ibm.com/blogs/bluemix/2019/02/cloud-safety-correct/
connected:-- Video: How IBM Hybrid Clouds force Innovation whereas Managing Complexity -- blog: New IBM capabilities aid companies manipulate the new multicloud world -- weblog: The State of IBM Cloud safety: IBM consider 2019 -- weblog: The best of IBM Z and LinuxONE in the Public and private Cloud -- weblog: A "Kubernetes far and wide" approach: build & set up commercial enterprise-Scale modern functions for Hybrid Cloud
About IBM think:At think 2019, IBM will define new choices, customer engagements, partnerships, expertise breakthroughs and developer equipment that underscore how IBM and partners are changing the way the world works. For more information, discuss with the IBM feel 2019 Newsroom: https://newsroom.ibm.com/believe. follow the convention on Twitter at #think2019 and @ibmlive, and go to https://www.ibm.com/hobbies/consider/ for the entire agenda and live streaming agenda.
IBM's statements related to its plans, directions, and intent are area to change or withdrawal with out be aware at IBM's sole discretion. guidance involving abilities future items is intended to define their generic product course and it will no longer be relied on in making a procuring determination. The suggestions mentioned regarding advantage future items isn't a dedication, promise, or felony responsibility to deliver any material, code or performance. counsel about talents future products may no longer be integrated into any contract. The development, free up, and timing of any future points or functionality described for their products is still at their sole discretion.
Footnotes1. IBM Institute for company value: Assembling Your Cloud Orchestra, October 20182. in line with consumer journey and total financial have an impact on methodology developed via Forrester research, Inc. (the total financial influence of an API management solution, February 2017) 3. IBM Institute for enterprise cost: Assembling Your Cloud Orchestra, October 20184. at present obtainable in beta, planned for commonplace availability March 2019
Media Contact:Sarah MurphyIBM Media relations email@example.com
View common content to down load multimedia:http://www.prnewswire.com/news-releases/ibm-unveils-new-choices-for-faster-and-greater-secured-direction-to-hybrid-cloud-300794061.html
View usual content to download multimedia: http://www.newswire.ca/en/releases/archive/February2019/12/c3736.html
source: consider 2019
Copyright (C) 2019 CNW neighborhood. All rights reserved.
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This article first appeared in IEEE Software Magazine and is brought to you by InfoQ & IEEE Computer Society.
Software architects make many decisions when creating designs. The importance of getting key architectural decisions right is well documented.1-3 However, it can be difficult to generalize what the key decisions are, let alone when and how to make them. In the past, architectural decisions have been characterized as the subset of design decisions that are hard to make4 and costly to change.5 To help clarify these issues, the following definition adds several qualification heuristics6:
Architectural decisions capture key design issues and the rationale behind chosen solutions. They are conscious design decisions concerning a software-intensive system as a whole or one or more of its core components and connectors in any given view. The outcome of architectural decisions influences the system’s nonfunctional characteristics including its software quality attributes.
According to this definition, choosing a programming language, architectural pattern, application container technology, or middleware asset are all architectural decisions. For instance, integration patterns such as Broker describe the many forces confronting distributed systems, including location independence and networking issues.7 These forces qualify as decision drivers, so adding Broker to an architecture is an architectural decision that should be justified. State-of-the-art software engineering methods, such as the IBM Unified Method Framework, call for architectural decision logs to document and justify key decisions in a single place.8
The logs help preserve design integrity in allocating functionality to system components. They support an evolving system by ensuring that the architecture is extensible. They also provide a reference for new people joining a project to avoid reconsideration of issues already decided. The logs capture architectural decisions after the fact. Creating such logs is a documentation activity with many long-term but few short-term benefits.9 If they relax the assumption of documentation rigor on a particular project and assume instead that multiple projects in an application genre follow the same architectural style - that is, share the same principles and patterns - they can consider the option of upgrading architectural decisions from documentation artifacts to design guides.
These guides can help architects working in a particular application genre and architectural style understand decision-making needs and solution options on the basis of peer knowledge applied successfully in similar situations. In this way, recurring architectural decisions become reusable assets, just as methods and patterns are. This gives rise to novel usage scenarios. For in- stance, recurring issues can serve as review checklists, help prioritize design and development work items, and improve communication between enterprise and project architects.SOA Decision-Modeling Framework
The first step in giving recurring architectural decisions a guiding role during design is to effectively capture and generalize related project experience. This is a knowledge engineering activity. Service-Oriented Architecture (SOA) Decision Modeling (SOAD) is a knowledge management framework that sup- ports this activity.10 SOAD provides a technique to systematically identify the decisions that recur when applying the SOA style in a particular genre, such as enterprise applications. SOAD enhances existing metamodels and templates,8,11 specifically by distinguishing decisions required from decisions made. It establishes a multi level knowledge organization that separates platform-independent from platform-specific decisions. On the conceptual level, the design alternatives reference architectural patterns, such as those defined by Martin Fowler12 and others.7,13,14
The SOAD framework lets knowledge engineers and software architects manage decision dependencies, so they can check model consistency and prune irrelevant decisions. A managed-issue list guides the decision-making process. Supported by the framework, architects can update design artifacts according to decisions made by injecting decision outcomes into model transformations.6
In support of reuse, the SOAD metamodel defines two model types:
Figure 1 shows the relations and internal structures of these model types.6
FIGURE 1. The Service-Oriented Architecture (SOA) Decision Modeling (SOAD) framework. The SOAD metamodel is instantiated into a guidance model that identifies the decisions required for a particular architectural style, such as SOA. Architects can tailor the guidance model to create an initial decision model for a project.
A guidance model is a reusable asset containing knowledge about architectural decisions required when applying an architectural style in a particular application genre. The model is based on knowledge captured from already-completed projects that employed the architectural style in that genre. As Figure 1 shows, an issue informs the architect that a particular design problem exists and requires an architectural decision. Issues present decision driver types, such as quality attributes, and reference alternative potential solutions along with their advantages (pros), disadvantages (cons), and known uses in previous applications. A knowledge engineer documents the issues and alternatives, writing in the future tense and a tone that a technical mentor would choose in a personal conversation.
The guidance model feeds project- specific architectural decision models in a tailoring step that might involve deleting irrelevant issues, enhancing relevant ones, or adding new issues. The decision model is an architecture documentation artifact that contains knowledge not only about architectural decisions required but also about architectural decisions made. An outcome is a record (log) of a decision actually made on a project, along with its justification. In SOAD, outcomes represent a form of design workshop minutes that software architects capture in the present or past tense. A decision model can reuse one or more guidance models. It can feed information about decisions made back to the guidance model after project closure via asset harvesting activities that might include informal or formal lessons learned reviews. In SOA design, for instance, an insurance company’s business process model might state that back-end systems must implement and integrate three business activities and corresponding service operations: customer inquiry, claim check, and risk assessment.
The architect must select an integration style for this purpose, such as one of the four alternative patterns that Gregor Hohpe and Bobby Woolf identified for this issue: File Transfer, Shared Database, RPC, or Messaging.13 The architect must also select an integration technology, such as HTTP and Java Message Service (JMS) that lets the business activities interact with other systems. A problem statement ("Which technology will be used to let the business activities and service operations in the business process communicate with other components, such as legacy systems?") and decision drivers ("interoperability, reliability, and tool support") are the same for all three service operations.
Project-specific decision outcomes, such as the chosen alternative and its justification, depend on each operation’s individual requirements. For example, "For customer inquiry, they selected RPC and HTTP because Java and C# components must be integrated in a simple and interoperable manner, and they value the available Web services tool support." Or, "For risk assessment, they selected Messaging and JMS because some of the involved back-end systems are known to have poor avail- ability and they cannot afford to lose messages."From General Issues to a SOA Guidance Model
I will use the insurance company example to generalize and extend the two decisions required - that is, the integration style and integration technology issues. The first step is to add general is- sues that occur in layered client-server architectures to a generic component-and-connector diagram. In Figure 2, the components and connectors are generalizations of service consumers (clients) and providers (servers) in a layered system.
FIGURE 2. General issues in generic component-and-connector architectures. Each component and connector yields concrete issues derived from general issues. Transitions to next realization levels include, for example, conceptual to specified to implementation component models.
For instance, layer n might be instantiated into the presentation, business-logic, and persistence layers of a service-oriented enterprise application.12 In such an instantiation, the three business activities and service operations from the insurance example (customer inquiry, claim check, and risk assessment) are components in the architecture’s business-logic layer. Every question fragment (for example, in Figure 2, "Interface signature?") then suggests a general issue that has to be investigated when refining the design into a concrete architecture. The second step is to combine the general issues with SOA patterns. Several authors have described such SOA patterns - for example, Uwe Zdun and his colleagues.14 The SOAD framework uses the following SOA definition:6
From an architecture design perspective, SOA introduces a Service Consumer (requestor), a Service Provider, and a Service Contract. These patterns promote the architectural principles of modularity and platform transparency. A composite architectural pattern, ESB (Enterprise Service Bus), governs the service consumer-provider interactions and physical distribution in support of principles such as protocol transparency and format transparency. The Service Composition pattern organizes the processing logic, adhering to the principles of logical layering and flow independence. The Service Registry pattern defines how service providers are looked up; related principles are location transparency and service virtualization.
Instantiating the generic client-server components into a functional architecture overview, Figure 3 illustrates how these patterns and their building blocks interact in a SOA.6
According to the figure, the essence of the SOA style is the decoupling of service consumer and service provider via the service contract, ESB messaging, and the service registry. The ESB pattern comprises three other pat- terns: Mediator, Router, and Adapter. To separate platform-independent from platform-specific design, this patterns- based characterization of SOA omits Web services or other technologies. Combining the general issues from Figure 2 with the SOA patterns from Figure 3 leads to concrete recurring is- sues. Identifying issues and alternatives this way allows knowledge engineers to harvest decision drivers, pros, cons, and recommendations from project experience with the patterns.
FIGURE 3. SOA patterns and their collaborations and functional decomposition. Service consumers and providers communicate via the ESB pattern. A service registry lists the service contracts and providers that are available to service consumers.Executive Decisions
Assuming SOA is the preferred architectural style, which is an executive decision in its own right, the selection of a particular SOA reference architecture is an executive-level decision. It requires agreement on terminology, such as layer and component names, and identification of relevant pattern languages. Architectural principles - for example, to prefer open source assets or certain software vendors and server infrastructures - might also take the form of executive decisions. The corresponding general issue in Figure 2 is "Overall layer organization?"Conceptual, Platform-Independent Design Issues
A service designer must decide on the granularity of service contracts in terms of operation signatures for request and response message parameters. These signatures specify the service’s invocation syntax as well as the message payload structures. The issue deals with service contract design. The service contract, a SOA pattern according to Figure 3, is the SOA instantiation of an interface; hence, the general issue called "Interface signature?" applies in this design context, according to Figure 2. The detailed ESB design and configuration trigger another set of issues. Architects must select message exchange patterns, such as one way and request- reply (asynchronous versus synchronous communication). They must also detail usage of the Router, Mediator, and Adapter patterns, describing how to maneuver messages from service consumers to service providers (Router), how to transform message content while it’s transported on the ESB (Mediator), and how to integrate non-SOA systems and components (Adapter).13
Architects following the SOA style must also refine the service composition design (if they select this SOA pattern). The choice of a central Process Manager13, such as a workflow engine (as opposed to distributed state management in individual applications or components), is an important related architectural decision regarding the internal structure of the business-logic layer. Design time versus runtime registry lookup is an example design issue regarding service registries. "Component life-cycle management?" is the related general issue (see Figure 2).Platform-Related Design Issues
None of the conceptual design issues deals with technology standards or their implementations. However, architects that select one or more SOA patterns must also resolve such platform-related issues - for example, selecting and profiling implementation technologies such as WS* Web services for the integration technology. Once the technologies have been chosen, the architect must select and configure implementation platforms. Many SOA patterns are implemented in commercial and open source middleware. The architect must decide whether to procure such middleware and, if so, how to install and configure it.Reusable Design Asset: SOA Guidance Model
All the SOA design issues I’ve described qualify as architectural decisions according to the definition presented in the introduction. For instance, a service’s operation signature influences quality attributes such as performance and interoperability. Moreover, these issues recur. Whenever a project applies SOA patterns, it must resolve the corresponding issues one or more times. Knowledge reuse is therefore desirable.
I’ve compiled 500 such recurring issues in a SOA guidance model.6,10SOAD Case Study Reports
Practicing architects have applied SOAD and the SOA guidance model successfully to more than 10 projects. These projects dealt with a pension plan management application for a European country’s social security agency, customer- and order-management solutions for a telecommunications company, and business-to-business applications for a multichannel retailer. The case studies confirmed that many issues recur. Participating architects assessed the knowledge in the SOA guidance model to be both relevant and actionable. They reported improved speed and quality in design activities and general appreciation for the SOAD vision and approach.6,9Feedback for the SOAD Framework
During the case study projects, I interacted with several hundred architects to obtain their feedback regarding the value and usability of SOAD. Only one of them disagreed openly with the fundamental SOAD hypothesis that architectural decisions recur when the same architectural style is employed on multiple projects in an application genre, and this objection turned out to be a misunderstanding. SOAD doesn’t claim that a decision always has the same outcome; it claims only that the issue, expressing the need for a decision, recurs.
Case study participants saw the SOAD metamodel’s attributes as intuitively understandable, conveying useful and sufficient information to help make key decisions. They suggested a few additional attributes. They also suggested different ways of structuring the guidance models - including the organizational dimensions defined by enterprise architecture frameworks.
Participants saw decision-dependency management as an important advantage of decision modeling because managing dependencies in text-based decision logs is difficult. They also pointed out that mature design methods exist already and that any additional method must align with these. They saw SOAD as a supporting asset - a decision-making technique embedded in a general-purpose method - rather than a stand-alone method.Feedback for the SOA Guidance Model
Case study participants appreciated the guidance model’s content and level of detail. They saw it as appropriate to terms of being not obvious, relevant to SOA industry projects, and clearly documented.
There was some confusion regarding proactive versus retrospective decision modeling. One user simply copied the issue descriptions and recommendation attributes from the guidance model to outcome justifications in the decision log. This provoked negative comments from a senior architect in a team-internal technical quality assurance review. In conclusion, the expectations regarding the use of SOAD must be managed. SOAD doesn’t intend to make architectural thinking obsolete.Usage Scenarios and Discussion
SOAD is a decision-centric approach to guiding design work. One of its benefits is that the target audience, software architects, already knows the core concept of architectural decisions from a different usage scenario - namely, architecture documentation. This simplifies SOAD applications to other scenarios:
SOAD assumes that many issues recur. If they don’t, a guidance-model asset won’t provide sufficient value to justify its creation. If multiple projects employ the same architectural style, the assumption that issues recur will likely hold. However, using SOAD to describe the issues and alternatives involves a commitment to knowledge engineering. A guidance model must meet higher editorial standards than project-specific decision logs, so a decision to create such a model must support a knowledge management strategy. It needs a funding model as well as a review, approval, and maintenance process. My results over the course of three years’ experience with SOAD showed that, on average, knowledge engineers can fully model one issue in one person day.
Architects can already benefit from incompletely modeled knowledge, such as issue checklists articulating problem statements in question form. Moreover, tools can partially automate asset harvesting - for instance, mining tools extracting architectural knowledge from project artifacts. From a tool-design perspective, the amount of information displayed and the context-specific filtering and ordering capabilities are key success factors. Architects typically spend much of their time communicating with external and internal stakeholders, so they might not be willing to read a guidance model end to end (although some of my colleagues have done just that). Tools can trim the guidance model down to the issues and alternatives that are relevant in a given design context, first during the tailoring step and then throughout the project. The SOAD metamodel supports such tool development, for example, by giving issues a scope attribute and by calling out the project phase in which an issue typically is resolved.Conclusion
SOAD was originally created to support enterprise application and SOA design, but the use of guidance models as reusable assets also applies to other application genres and architectural styles. It supports application scenarios such as education, knowledge exchange, design method, and governance. Next steps for its development include extending it to other business and technology domains as well as target audiences, such as business people in addition to software architects. Other plans address guidance modeling challenges such as knowledge visualization and maintenance.15
By promoting the reuse of architectural knowledge in the form of guidance models that compile recurring is- sues and options, SOAD lets architects share best practices in a problem-solution context. They may learn best from mistakes, but who said all the mistakes must be their own?About the Author
Olaf Zimmermann is a research staff member at IBM Research-Zurich. His research interests focus on application and integration architecture, SOA design, architectural decisions, and frameworks for service and knowledge management. Zimmerman has a PhD in computer science from the University of Stuttgart. He’s an Open Group Distinguished IT Architect, IBM Executive IT Architect, and author of Perspectives on Web Services (Springer, 2003). Contact him at firstname.lastname@example.org.References
This article first appeared in IEEE Software Magazine issue Jan/Feb 2011, pp. 64-69. IEEE Software Magazine offers pioneering ideas, expert analyses, and thoughtful insights for software professionals who need to keep up with rapid technology change.
Today at the IBM Innovate 2010 conference in Orlando, IBM introduced new software and services that help organizations build security into the initial design of their applications, rather than bolt it on as an afterthought when it becomes more costly to fix.
Teresa Cook, Director of Security Products; David Grant, Marketing Executive, Security & Compliance; Mark Van Zadelhoff, Director, IBM Security Services
Today’s announcements include several new offerings:
IBM is introducing new updates for the Tivoli Access Manager family to help organizations provide centralized authentication, policy management and access control services across several new service delivery platforms, such as cloud computing and Service Oriented Architecture (SOA) as well as complex portal and Web application environments.
These new updates can also help protect access to critical data across an organization. As delivery models continue to shift and cause more complexity, these new enhancements can help organizations securely manage access to business-critical applications and data while giving users fast, convenient access to the information they need.
For organizations that lack in-house application security expertise or prefer to outsource testing security assessments, IBM also launched Application Source Code Security Assessment. These new services are designed to help clients understand and improve their regulatory compliance and reduce risk by providing a baseline assessment of the source code of applications to encourage building security into the SDLC.
Through this new service, IBM consultants test applications for clients, identify security vulnerabilities and provide recommendations for prioritization and detailed remediation steps to resolve the vulnerabilities. As a result, organizations can gain a rapid understanding of the security of these tested applications.
IBM on Friday detailed an initiative intended to accelerate the business benefits of an SOA. The Business Integration Adoption Model, accompanied by new tools, workshops, and services, helps corporate users gain more flexibility by better aligning their business goals, and directly ties their business processes to underlying applications.
The model offers guidance on how to best implement new products and architectural models while simultaneously wringing out value from existing IT investments.
"We believe SOAs are now being driven by business concerns, where in years past it was driven by IT architectures. This is why they have tweaked [the Business Integration Adoption Model] to be based on specific businesses or industries," said Sandy Carter, vice president in charge of Websphere strategy, channels, and marketing at IBM.
The first vertical markets IBM will pursue include banking and financial sectors, electronics, insurance, government, retail, and manufacturing -- all areas that have a strong need for "application interconnectedness" and multichannel applications, according to Carter.
"The thing they are stressing, which they agree with, is both the real-time nature of business process automation and the fact you need to bring some optimization capabilities in as well. In other words you don't just want to automate the workflow, you want to be able to change the workflow on a real-time basis," said Dennis Byron, an IDC research analyst who focuses on business process automation.
One advantage to the IBM approach, according to Carter, is it allows users to start slowly and build both an architecture and services as a company's business grows. During the past six to nine months IBM has implemented 70 deployments in companies spread across a range of different markets.
"This strategy helps you to avoid what I call the Big Bang approach where you can start an implementation, project by project, as well as establish an enterprise architecture and infrastructure based on SOA principles on both the business and IT sides of things," Carter said.
Hoping to attract those just now embarking on an SOA project, IBM announced it will offer a free online assessment that will help companies evaluate current levels of SOA exploitation and to better focus in on the more critical parts of their operation. The company plans to make available a number of different online and classroom education courses.
In concert with these services, IBM also unwrapped its SOA Integration Framework, described by company officials as a services capability built into its server-based Websphere, Rational, and Tivoli software. The services consist of SOA patterns, processes, and tools that quicken the delivery of SOA solutions.
The Integration Framework provides guidance for creating business processes and services, run-time environments, and management frameworks, all of which are designed for SOA applications and environments.
IBM said it has several corporate users who have already been using the model, including Rockwell International, which is using it to implement an SOA that helps manufacturers turn information into knowledge for improved business performance.
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