soa

A loose assembly of components or services like this is often referred to as a service-oriented architecture, or SOA.

Security was really just a starting point for SOA Gateways being used in this capacity, but it's still an important factor.

In short, application of point-to-point naming conventions in an SOA context tends to result in a point-to-point connectivity model.

SOA ROI requires patience - benefits may take a year or more to be properly recognized.

As part of this role, expect to see SOA play a greater role in grid computing and virtualization as well.

I shall also try to illustrate a set of activities (at a broad level) that need to be carried out to complete a SOA initiative.

A typical organization's information environment is often not in an ideal state to enable an effective SOA transformation.

An Integration Competency center manages SOA in the company and a dedicated budget is associated to it.

How much do you consider SOA as a technical - distributed system - vs. business problem?

Furthermore, to fulfill one of the key perceived benefits of SOA, there was a desire to build services that could be reused.

SOA does not substitute Enterprise Architecture, though it may be a significant part of it.

When adopting SOA, it is imperative to adhere to open standards instead of trying to bypass them or create homegrown solutions.

InfoQ: How much do you see your "SOA patterns" as being equivalent to "Web services patterns" ?

As to the question of having a single federated ESB for SOA implementation, we would say that that depends on the individual organization.

This discussion is presented with a desire to reinforce the concept of coupling SOA design with a business focus.

It is often easiest to first explain the benefits of BPM, and then explain how BPM is best implemented on an SOA base.

With such a broad and strategic value proposition, it's easy to accept that SOA is inevitable.

The company has created the SOA Center of Excellence (COE), including a quality assurance team and a certification and performance lab.

The SOA consumers must not be aware of this underlying heterogeneity but must be able to access the integrated information transparently.

You could develop a repository or library of modularized and optimized SOAs grouped into a hierarchy of various categories.

You also need a methodology for the ongoing maintenance of the SOA project after you have rolled it out to your organization.

In terms of SOA, I'll be very interested to see where it goes.

Things are often getting so bad - there was a recent article with a catchy name SOA or DOA, where DOA stands for "Dead on Arrival" .

In SOA, you think of a project as the delivery of integrated services -- some new, some existing.

I am a bit confused about all the hype around Service Oriented Architecture (SOA) -- and you seem to be caught up in it.

You've got to think about it as a core part of your SOA approach and develop an actual marketing plan.

Analysis level techniques exist, also referred to as bottom-up, to surface the assets that would make sense for a particular SOA project.

Architecturally, NWPI establishes a strong coupling between BPM and SOA as services are always designed to be part of a business process.

One area in which SOA is only just beginning to gain popularity is in increasing the lifespan of legacy applications.

But an SOA is not static, just as a business is not static; it slowly matures and evolves as the business grows and changes.

In fact, about a year and a half ago, HP's e-speak appeared with a marketing campaign built around a proprietary implementation of SOA.

Without governance, you can't fully realize the value of your SOA; without it, you could end up with a mess on your hands.

What I got was a lesson in message-oriented middleware (MOM) and a glimpse into the future of service-oriented architecture (SOA).

As a general observation, we see SOA solutions in banking being coupled to the concept of service domains defined by the line of business.

SOA governance is not just a single set of practices, but many sets of practices coordinated together.

It is all about on demand business; however, SOA is just a concept or blueprint for IT infrastructure.

Because one of the core principles of SOA is reuse, developers have to let go of the typical developer desire to build everything.

Service Oriented Architecture (SOA) and Business Process Management (BPM) are at the heart of a large percentage of modern IT strategies.

If your team is all new to SOA, I recommend bringing in an outside expert to mentor and enable the team on SOA.

Providing the complete set of repositories that may possibly be used in an SOA is not in the scope of this article.

We took a pragmatic approach from the beginning and developed technologies to help our customers reach the benefits of SOA.

Generally, the governance product should also be able to support the business agility needs and monitoring needs of your SOA initiative.

Change in the organization structure - At the heart of every SOA is a Centre of Excellence (COE).

Today the Cloud is a new IT buzzword, while SOA seems to be slowly coming out of favor, at least in the view of some analysts.

But an ESB without an SOA has no services, and therefore it's just a bus.

An important aspect of service management in an SOA is to be able to monitor and report the reuse of service assets.

However, don't fall into the trap of assuming that this preparation for heterogeneity is not necessary for your SOA tools and technologies.

We start by positioning and describing the use case model in terms of its inputs and how it contributes to the modeling of your SOA.

This can mean generating a list of values to cross-check against records on file, but is usually beyond the direct scope of an SOA effort.

The business team, predictably, gets upset that "this whole SOA thing was supposed to make IT more agile, but it's making it worse. "

In UDDI terms, this SOA role is often referred to as the White Pages.

Now, you can start to see how UNIX fits in and is a vital part of SOA in most enterprise environments.

An organization adopting SOA approaches needs to have a realistic expectation on how much investment is needed and the expected ROI.

A repository or directory service is often included in an ESB product, facilitating the move toward an SOA-based integration approach.

In a recent meeting, one participant who used to code in COBOL asked what was different between SOA and what he did with COBOL copybooks .

SOA governance must assure that this becomes a reality and there must be a clear means of communicating that to all stakeholders.

You ve mentioned that SOA is not a new thing, but there does seem to be some recent focus on it.

At the time of this writing, SOA is still unfolding, and many of the big software vendors are still developing their SOA offerings.

The processes in the proposed SOA governance lifecycle can be very helpful in combination with a maturity model.

Thus, a service bus (also known as an ESB) itself is generally not sufficient to be an integration layer in SOA.

Although this layer is usually out of scope for discussions around a SOA, it is gradually becoming more relevant.

But the company on Wednesday submitted a report to the SOA claiming that the two goals had been met.

Dion seems to be spot on in defining current issues (and their origin) of SOA implementations.

The Enterprise Service Bus (ESB) has always been the cornerstone of any vendor's SOA strategy.

The SOA depends on a set of data schemas that are used to describe the messages that flow around the SOA ecosystem.

In this series of four tutorials, you learn how to extend the platform and its capabilities to help you as you create SOA-based solutions.

You can combine internal and external RFID Web services into a composite application in an internal SOA to increase operational efficiency.

SOA is not about Web services - Web services is one of the ways of establishing connectivity between the clients and the services of SOA.

This concept of software as a set of services is the theme behind Service-Oriented Architecture (SOA).

Whether the output of these technical committees will have the impact of WS-BPEL remains to be seen, but BPM is important within SOA.

Any one of the systems it depends on may not yet be ready to fully migrate to SOA.

HTTP is quite a universal protocol to use as the logical infrastructural element for your SOA.

SOA and Service adoption paths require a gradual process which is often unique to each organization.

Seriously, if I could change one thing of SOA, it would be the perceived hit up front.

The conceptual nature of SOA leaves the networking , transport protocol , and security details to the specific implementation .

A scenario helps you to identify which usage pattern can be used in a particular situation to jumpstart an SOA initiative.

Hundreds of fishermen are waiting for a lawsuit to be filed by the SOA, but no timetable has been released so far.

DL: SOA is a complex distributed architecture that many organizations struggled with, which drove Anne to make that provocative statement.

Standards at the heart of SOA, however, have remained largely intact since the first XML web service went live.

To an architect, SOA is an architectural style, which at a minimum, requires a service provider, requestor, and a service description.

Consumers operating in the common SOA infrastructure would be able to use the standard --perhaps UDDI -- repository for all services.

This mitigates the risk of any SOA endeavor: building lots of services that are never going to be used anywhere.

It should be noted that this article only demonstrates the major software tools from IBM that can be used in the SOA lifecycle.

Also known as the Component-Based Architecture (CBA), this model focuses on providing services to citizens, not to other SOA participants.

Inherently, SOA requires a more business focused and end to end thinking within the enterprise than typically exists with IT Governance.

This means that design-time governance is still a centerpiece of any true SOA implementation.

He further states that after the disillusionment at the end of its hype cycle, SOA continues to be adopted by plenty of organizations.

Highlighted different techniques that are commonly used for manipulating SDO instances when building an XML-based SOA application.

Since the SOA principles above do not strictly require these components, let's treat them as optional components.

The issues and concepts described so far apply to any service in an SOA.

The issues and concepts described so far apply to any service in an SOA.

You can implement SOA just as well by sending simple messages over Hypertext Transfer Protocol (HTTP).

And the flexible and heterogeneous nature of SOA would be ideal for grids to expand their platform base.

When technologists are able to deliver on this through means of SOA the value is huge!

The third layer expresses the loosely coupled nature of a SOA that allows for great flexibility in composing or integrating services.

They also recommend capturing lessons learned and educate the rest of the enterprise before continuing with the next SOA project.

Forces that might be assassinating SOA include: integration platform vendors, enterprise architects, certain industry analysts, CIOs.

One of the fundamental goals of SOA governance, of course, is to insure that the use of each service generates the expected return.

Let's take a look at a case study of offering data validation services, a subset of data quality services, through SOA.

You get also less vendor dependencies: if you are wiring your infrastructure to a vendor protocol you are missing the point of SOA.

You get also less vendor dependencies: if you are wiring your infrastructure to a vendor protocol you are missing the point of SOA.

The SOA life cycle helps you to organize a project plan around the four phases and the activities and tasks that constitute them.

In fact, it's gotten to the point where CTOs and CEOs are talking about SOA as a general strategy for running their entire IT department.

As you get into an enterprise SOA from a technical perspective, you need to be careful about your overall architecture.

However, the architecture is related with IT elsewhere in the organization, so SOA governance needs to be agreed upon with other parties.

SOA is a massive topic in its own right, so future installments of this series will tackle it as a special case.

Regardless of the current level of maturity, you need to understand that SOA governance maturity cannot be achieved overnight.

Kanban is newer, and I'm not aware of any teams that are really pursuing SOA under a Kanban model.

RESTful SOA may argue that this mainly fits for a provision of fix document files.

EII did not gain much market acceptance when it was introduced several years ago, but with SOA, its time has come.

EII did not gain much market acceptance when it was introduced several years ago, but with SOA, its time has come.

You're starting to see your company as a mature SOA organization -- or, rather, as a maturing SOA organization.

This approach leads to a combinatorial explosion of connections between the service consumers and providers in an SOA system.

For this reason, strong consideration should be given to the early adoption of a federated SOA Governance model.

The enterprise-wide nature of SOA [ Lublinsky] requires a significant amount of collaboration between design and implementation teams.

One of the fundamental requirements of a Service-Oriented Architecture (SOA) is connectivity.

So building an SOA has always to do with CBD, but CBD has not always to do with building an SOA as we understand an SOA.

Think of an all-new data center with buzzing blade servers, new workstations, and a Service-Oriented Architecture (SOA) implementation.

The process of performing data analysis in the context of a set of SOA requirements is very similar to any data quality initiative.

Service class represents an SOA-enabled . NET class file that, when compiled, can be deployed to any Microsoft service host.

Service class represents an SOA-enabled . NET class file that, when compiled, can be deployed to any Microsoft service host.

In SOA, one of the core activities is called service identification.

For that reason, we'll start with a "top-down" SOA Governance approach and define a SOA Governance Lifecycle Model, first.

Overall, SOA Governance properly applied has helped SOA as it has enabled visibility to the business and traceable ROI for project efforts.

A number of surveys indicate implementation difficulties as one of the main causes of delay or sometimes even failure of SOA projects.

The second phase consists of choosing the services that would make more sense in terms of business value in an SOA environment.

No matter how far along your organization is in its adoption of SOA, it pays to think critically about reusability and the asset lifecycle.

Whatever you go with, you want to understand the vendors' fundamental vision of SOA.

This view of SOA as being about enabling end-to-end business processes was an ongoing theme around the conferences.

Such a methodology could raise SOA's state of the art by incorporating SPL principles.

As a technical person and an architect, I tend to think of architects as the most critical SOA team members.

My recommendation is to include SOA governance as a critical piece of your SOA roadmap.

The profile can be applied to any new or existing model, and it adds new concepts and notations specific to SOA analysis and design.

The requirements, as articulated in the use cases, are brought much closer to implementation in the form of services in an SOA.

Also, your SOA design and development platform should be able to take a model and evolve it into another model.

SOA is the result of rational and logical evolution of the IT industry, in which careful planning and organization play a huge role.

This sections looks at a few of our ideas that take advantage of the open SOA Foundation framework.

This step can be reached in either of two ways: after identifying reusable pattern assets or directly after selection of an SOA scenario.

In a real-world scenario, getting to an ideal SOA with a fully deployed ESB environment takes time.

In fact, one of the early activities of a CoE should be establishment of a SOA lab.

IBM developed groundbreaking techniques that facilitate the SOA journey in terms of a maturity model.

Taking a waterfall approach can be one of the common pitfalls in an SOA undertaking.

What makes an enterprise that embraces SOA need to take governance more seriously is the distributed nature of services across various LOBs.

They would not be able to afford the "internal-only" SOA adoption model.

But in an SOA context, the top level namespace is in a registry above the messaging network layer.

Therefore, the selection of the product vendors for your SOA solution should be determined by the needs of the SOA solution.

You've identified a basic set of technical requirements for your SOA and are now asking yourself, "What SOA services should I build? "

A key concept of SOA is to reuse assets across the enterprise, which is composed of both OLTP workloads and batch.

Most organizations have multiple heterogeneous backend legacy systems, only some of which are funded to be enabled to participate in an SOA.

The SOA scenarios represent a set of generic business scenarios in which SOA is being used in typical customer engagements.

InfoQ: When comparing SOA with DCE and CORBA, you seem to really be comparing Web Services with earlier approaches to distributed computing?

This seems to be a much elegant and consistent way to build distributed SOA systems.

For a business to identify with this SOA role, it must find some commonality between their business activity and the actions of a requestor.

Services should be identified and defined with reuse (and harvesting) as one of the main driving criteria of the SOA in mind.

IBM uses the CAT tool to perform quick surveys to understand both current and desired state of SOA adoption.

Therefore, an SOA application can be built out of SCA components; SCA provides a programming model for developing SOA applications.

One of the fundamental principles of a SOA is business alignment at the enterprise level.

The principles of silo applications, namely inception, design, and implementation, cannot be directly applied to SOA.

The UML-to-SOA transformation has only a few transformation options, as shown in Figure 5.

It is possible for some threats in one SOA and other threats in a different SOA to exploit the same vulnerability in the originating SOA.

I don't see processes at the core of SOA, even though I understand that BPM vendors might like to see things differently.

To become a true SOA-based enterprise, there are much higher levels of maturity to attain than just a Web services implementation.

Service Provider: For a business to identify with this SOA role, it must view itself as performing some degree of an electronic service.

SOA and ESB do not necessarily have to be implemented with Web services.

For one thing, current OOAD methods do not address the three key elements of a SOA: services, flows, and components realizing services.

Seven of the top ten worldwide financial institutions now use IBM's Industry Models to support SOA or other project initiatives.

This article walks through a simple scenario where an organization decides to use an SOA for a new IT solution.

Zone Transfer SOA Request Sent is the total number of zone transfer SOA requests sent by the secondary DNS server.

This does not affect the service provider's implementation or how it would be translated to an SOA solution.

SOA encompasses the tools and methodologies for capturing business design, and using that design information to help improve the business.

A test client allows you to test an SOA application before you deploy the application to a production environment.

The number of tools and technologies required just to manage and a SOA environment in itself creates a management and complexity overhead.

Big bang SOA software projects shut down in favor of incremental projects with well defined ROI.

Eric: As I mentioned in the previous question, SOA governance work has really empowered architects to get close to the business.

Using these approaches, Java clients of any size and capability can fully participate in SOA implementations.

However, lack of such a study should not prevent progress in SOA adoption.

It also features a Java-based server that enables easy integration of Web Services and fits well into a Service-Oriented Architecture (SOA).

Todd comments that while it is possible to solve the initial funding problem, the ongoing funding problem of SOA remains often a question.

At the core of the track was a set of fundamental sessions focused on updating our consultants on SOA advances.

The SOA Maturity Model allows you to apply the CMM to the IT architecture of your organization.

Within SOA, we now see an application as a dynamic entity, a configuration of services to meet a particular set of business requirements.

As an industry buzz word 'SOA' does not now fly as high as it used to.

However, governance is becoming increasingly important as IT organizations move up the SOA maturity curve.

In fact, establishing SOA Governance can be a challenging, disruptive, and destructive force in an enterprise's SOA efforts.

He characterizes SOA as an agent for reducing the TCO (Total cost of ownership) as a result of sharing and reusing composable services.

As we have the service model, we are ready to extend agile software development to the SOA level!

The distributed and heterogeneous nature of SOA makes it particularly prone to failures, causing exceptions at multiple levels [3].

And, counter-intuitively, much of the SOA security services implementation must be understood simultaneously.

It will soon be critical for enterprises to be able extend their infrastructure and SOA investments out to such devices.

When exposing integrated information as services, developers also need to understand SOA concepts, standards, and technologies.

When surfacing integrated information as services, developers will also need to understand SOA concepts, standards and technologies.

IBM developerWorks offers a variety of resources that address some of the main issues that are part of SOA development.

As a practicing executive IT architect at IBM, Tilak Mitra consults with IBM customers to help them develop and implement SOA.

I strongly believe the core values behind SOA have merit, but there needs to be a new label attached to it.

The ability of these solutions to stabilize the SOA and avoid the disruption of SOA services leads to the increased resiliency of the SOA.

We then descended down through a common architecture (SOA) and proceeded by outlining a set of open enabling technologies.

The On Demand Operating Environment architecture is based on the concept of a service-oriented architecture (SOA).

Operational systems: Represents existing IT assets, and shows that IT investments are valuable and should be leveraged in an SOA.

This leads to greater efficiency, reduces redundancies and costs and helps the bottom line; very similar to the goals of SOA.

By introducing an SOA, the goal is to unify these disparate systems within a layered reference architecture, as shown in Figure 4.

A framework that provides context and definitions to enable organizations to understand and deploy SOA governance.

One of the main differences between Enterprise and Ecosystem SOA is the approach to service portfolio definition.

Enterprise (top-down) SOA approach, which is an extremely high - risk approach with an initial price tag of a several million dollars.

There are only a small number of suppliers, designed to take advantage of SOA and its loosely coupled and dynamic nature.

The only alternatives you're going to find to SOA are going to be advanced forms of SOA.

Unfortunately, due to the mixing of Governance and Management realms, we are having such a mess in SOA Governance.

When this occurs in SOA, you end up with a narrowly-focused service-orientation that may not meet the needs of the business as expected.

Remember that even with the migration to the new SOA model, core parts of your application will remain the same.

The idealized SOA is shown in Figure 1, where a requester interacts with a provider to achieve some business-relevant task.

The way businesses are conducting themselves is compelling IT departments to respond, and SOA is a great supporting model for that.

A service in a service-oriented architecture (SOA) could, therefore, also be considered a component.

Most SOA projects are still in the early stages. But that doesn't mean you can't get good value out of your SOA initiative.

Transitioning SOA services to a grid and netcentric style is a way of harnessing and sharing unused resources from computers in the grid.

In other words, Mrs. S. Governance wields the insignia of power, at least concerning the corporations' SOA.

there is a great deal of agreement on the foundational core concepts across the many independent open specifications and standards for SOA.

Both of these stateful relationships, between successive invocations and between request and response are relevant to SOA service design.

Because of the virtual nature of the SOA component model, many SOA components naturally support multiple implementation technologies.

In the case of Ecosystem SOA, the business model is additionally subdivided into Core (Strategic), Competence and Peripheral domains.

Last but not the least, Mike says the reason for the SOA implementation should be in support of key business goals.

I'm not convinced that SOA projects fail any more than other software projects of their size, but I haven't looked at the numbers.

Contrary to what some might believe; however, these distinct Service-Oriented Architecture (SOA) design patterns are not mutually exclusive.

I never used techie terms. The word 'architecture' never passed my lips.

This article is about showing how the recommended contract design policies from the versioning article relate to a SOA Maturity Model.

However, with the products described here, you can do the majority of what is called for in a typical manage phase of the SOA life cycle.

Proper SOA design advocates the use of a consistent business glossary that provides alignment of business terms across the enterprise.

As Part 6 notes, the data quality analysis itself must be treated as a project itself within the broader confines of the SOA project.

Performance: The response time of services in an SOA environment plays a key role in most production environments.

The creation of a governance body for the adaptation and implementation of SOA is a core requirement of the governance model.

Agile enterprises in the implementation of SOA will be very good relations between the virtual enterprise flexible. . .

But if your problem isn't one of these, SOA may not be the right approach.

The SOA system constructs and artifacts must be monitored and measured against the business metrics and SLAs that they are supposed to meet.

The context for the occurrence of this antipattern is a circumstance where the SOA paradigm is relatively new for the client organization.

Without a proper SOA vision, SOA designers and implementers will be clueless about what the final state of the enterprise is supposed to be.

This means grid computing now relies on an open set of standards and protocols, including key SOA standards for Web services.

In this chapter we provided some useful analogies for understanding the fractal nature of SOA.

Typically, SOA organizations that are "grass-roots" and the result of individual, domain led service-oriented efforts are "bottom-up" .

The formation of secondary organic aerosol(SOA)is one of the research focuses in atmospheric chemical process.

If an SOA is to be prescriptive should it state that all services should be designed to permit remote, asynchronous invocation?

SOA assembles applications out of software atomic services, which are reusable components, but at a much coarse-grained level.

Most of the ideas in the SOA Sourcebook have been circulating around the SOA world for some time.

a centralized office responsible for evangelizing, coordinating, enforcing, and measuring SOA efforts across the enterprise.

This governance body insured that SOA was carefully integrated into the project's fabric to help decide the proper technologies.

There is nothing particularly radical about it: All software or SOA projects are defined in a similar way.

To this end, implementing SOA can greatly benefit from a strong Program Management discipline.

The Architecture Development Method (ADM) can be applied to SOA, security, cloud, hybrids, and federated services ecologies.

One of the key principles of SOA is to view services as reusable assets throughout the SOA life cycle.

It claims to be the next-generation business process server that supports different forms of integration based on SOA and open standards.

The creation of an SOA Center of Excellence, as an example, has proven to be extremely helpful in many organizations.

In many ways, cloud computing can be seen as an extension of SOA past applications and into application and physical infrastructure.

The high-level activities for this scenario can also be mapped to the phases of the SOA lifecycle, as shown in Figure 7.