SAP Iinternet Transactions Architecture and Work Flow

The ITS is the SAP middle ware to combine the Web world with SAP applications.The ITS allows browser customers to entry Internet software scenarios designed by SAP and customized to the company particular requirements and to entry mySAP elements with the SAPGUI for HTML. It's the portal generator for the mySAP Workplace.

The ITS consists of two parts:W-Gate (Internet Gate) and A-Gate (Application Gate).

W-Gate is the part that talks to the Net server. Presently, three Internet servers are supported: Web Information Server (IIS) from Microsoft, Netscape Enterprise Server, and Apache Server. Additionally, a native CGI-WGate exists that can be utilized with any CGI-compliant Internet server (for instance, Lotus Domino). Supported operating techniques include Windows NT/2000 and Linux.

The W-Gate is recognized as from the Internet server using different interfaces: ISAPI for IIS, NSAPI for Netscape, a particular module for Apache Web Server, or native CGI.The W-Gate isolates the A-Gate from the Internet server. The A-Gate might be installed on the identical machine with the W-Gate and the Web server, so-referred to as Single-Host ITS, or on a separate machine, Dual-Host ITS. If W-Gate and AGate are on the same machine, they impart with each other by local memory pipes, and if they are put in on completely different machines, they use TCP/IP. You can choose a so-called Twin-Host Set up for safety, scalability, and efficiency reasons. If each components are installed on completely different machines, you presumably can set up a firewall in between, improving the security.

A-Gate uses DIAG (the SAPGUI protocol) or RFC for communicating with R/3 utility servers. A-Gate makes use of DIAG for executing IACs or SAPGUI for HTML; RFC is used for BAPI or Operate Module calls as with ITS Flow Logic or WebReporting.



Internally, the A-Gate features a dispatcher thread, a quantity of worker threads, and shared reminiscences for the sessions.HTTP is a stateless protocol, so there is no such factor as a idea like the session in HTTP. Alternatively, transactional methods like SAP use a session concept and will know by which display, values, and so forth a consumer is. The A-Gate assigns a session to each request and maps this session to the user session in SAP R/3.

Instances

The ITS helps virtual instances. If you need to connect with completely different R/3 programs from one ITS, it's endorsed to put in separate ITS situations for all R/3 systems. It is usually very common to have the ITS for development and quality assurance installed on the same machine. This fashion you can scale back the hardware necessities, as a outcome of you do not need a separate server for every R/3 system you wish to join to.

The primary time you install the ITS on a system, the bodily installation takes place and one ITS instance is created. When you start the set up process once more, only further ITS instances are created on the server.

Services

The A-Gate can run totally different R/3 packages or transactions. For each of them a service have to be defined. For example, the service for an IAC in logistics is named MEW0. The service definition within the A-Gate specifies which transaction is executed in R/three and where. There are some generic providers like the WebRFC that means that you just can call RFCs in R/3 or the Webgui service that lets you execute the SAPGUI for HTML in the browser.

The service is outlined in a textual content file with the extension “.srvc,” which includes parameters such as system, transaction, and so on. You can find a subdirectory known as Companies on the A-Gate machine where you discover the entire service files. You may define all the default parameters for the providers in the global service, known as global.srvc. For instance, if all of the companies will point to the same R/3 system, you may put these parameters in the global service once.

Templates

Every service has a template subdirectory where the A-Gate can discover the HTML templates for use with that particular service. These templates may be grouped in themes (the default theme is ninety nine) so as to have completely different seems to be for a similar service (language, double-byte issues) or testing purposes. There are also parameters like consumer, consumer login, and password to specify a generic consumer within the service definition. If there is no such factor as a consumer login in the service definition or within the international service, the ITS generates a HTML logon screen.

Whenever you request the URL, the A-Gate logs on to R/three with the consumer specified in the service and executes the transaction specified. As you understand, the screens in R/3 are recognized by this system title and the screen number. The ITS receives the first display of the transaction from R/three and appears in the template listing for a file known as “program_screennumber.html,” for instance, SAPMMEW0_1000.html, and merges the R/three knowledge with the HTML template. Within the HTML template, you can specify particular tags for this merge; this script language known as Business HTML.

In launch 4.6, a brand new type of ITS improvement appears with the move files. Movement files are textual content recordsdata within the ITS the place you'll have the option to program BAPI or RFC calls to R/3 after which consider the consequence: for instance, name one other BAPI and on the finish merge the BAPI consequence with an HTML template. The main difference is that with IACs,the programming logic is especially within the R/three transaction and you utilize the text records data (templates) in ITS to merge the result, but with movement information, the programming logic is in the ITS text files. The developer calls BAPIs in R/three however then evaluates the results and decides to name one other BAPI or merge the outcome with the final HTML template.

SAP@Internet Studio

SAP@Internet Studio allows you to robotically generate the service templates from the R/3 transaction and screens. You simply must say the title of your R/3 transaction, and the display names and the SAP@Internet Studio will hook up with R/3, get the display definition, and generate the HTML templates with the R/three screen discipline names already in place. SAP@Net Studio will be put in on a Windows NT workstation or Windows 2000 machine for the developer. The set up process is a traditional setup program the place you want to specify where the ITS community shares are in order to send the generated templates to the ITS later.

All components inside a Internet transaction might be maintained using the Net@Studio:

1. Service recordsdata
2. Enterprise HTML templates
3. MIME (Multipurpose Web Mail Extensions) objects
4. HTRC language useful resource files

As of launch 4.6 of the R/three system, the performance of the SAP@Net Studio is also included within the R/3. You ought to use the ABAP Workbench, Transaction SE80, to develop Internet applications, as well.

MIME objects are graphics or add-ons to your HTML pages. More essential are the HTRC files.If you execute a SAP transaction, the screen seems in the consumer logon language. This additionally occurs with ITS. If ITS finds a discipline label in the HTML template like KNA1-KTNRA.label, it substitutes it with the label coming from R/3 within the user logon language (or the logon language laid out in the service definition). However sometimes you wish to outline some labels in the HTML template that do not come from the R/three transaction. On this case, should you wish to support multilanguage, you should use the HTRC files.With SAP@Web Studio, the developer creates a challenge on the PC. A mission can include a couple of transaction.

From the Web Studio we will:

1. Create new empty files
2. Create objects using wizards
3. Export (publish) to the ITS or import from the ITS
4. Export to R/3 for integrating with the CTS (Correction and Transport System)

To publish with SAP@Web Studio, you must outline the Web page and ITS server you wish to work with.Whenever you outline the site, the SAP@Internet Studio asks you for the following parameters:

1. Net server. HTTP ITS server identify to check from Net@Studio
2. WebRootDir. ITS share for MIMEs
3. URLwgate. W-Gate identify in the Net server, ought to be wgate.dll in Home windows NT
4. ITS Host. A-Gate hostname
5. ITS Knowledge Directory. Service and template share title (for the PUBLISH function).

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SAP Intrnet Transaction Server Introduction

When the ITS (Web Transaction Server) was launched in 1996, it was the necessary thing component in the preliminary SAP strategy and providing for the Internet. It was launched with release 3.1G of SAP R/3. The SAP ITS is an extremely vital component inside the mySAP initiative, so it is a part of a lot of the mySAP components which can be accessible by Net browser.

SAP had the vision in 1996 that access to ERP (Enterprise Useful resource Planner) functions by a Net browser could be a key level in the following years. The ITS was designed at the beginning to give you the chance to provide typical Web and intranet scenarios with R/3 through a Web browser. On this way, SAP designed transactions in R/3 with a simple consumer interface with the intention to be used on the Internet. These transactions, plus the HTML (Hypertext Markup Language) templates used .


ITS to merge the lead to a final HTML page, are referred to as the IACs. There are IACs for logistics, financials, and HR scenarios. At present, there are greater than ninety IACs. If a company needs to make use of one of these situations, the primary task is the customizing of the IAC HTML templates supplied by SAP with the firm’s emblem and marketing standards. The IACs OK are designed primarily to be used externally (on the Internet), but some of them are additionally for inner use in a company with a Web browser-like creation and release of purchase requisitions.

An instance of an IAC is the SAP-HR with ESS (Worker Self Service). ESS permits the workers of an organization to access their data within the HR module with a Internet browser. Latest releases also embrace some internal monetary, logistics, and workplace applications. In the HR space, the staff can access their payroll and private data info, journey expense and actions reports, job offers within the firm, and training and event info and registration.These scenarios enhance the efficiency in the firm, decrease the HR division’s effort, save time and papers, and give quicker services to the workers than within the past.

If there are no IACs for a buyer situation, or the shopper desires to develop his personal software, SAP supplies the SAP@Net Studio in an effort to generate the HTML templates automatically from a buyer R/three transaction. ITS was designed to have the power to name features in R/3. These functions needs to bedesigned to work with ITS as a result of they should return a desk with the HTML page .

In launch 4.6, a brand new kind of ITS improvement appears with stream files. Movement information are textual content recordsdata in the ITS where you may program BAPI or RFC calls to R/3 and then evaluate the consequence: for example, name another BAPI and at the finish merge the BAPI end result with an HTML template. The primary distinction is that with IACs, the programming logic is mainly within the R/3 transaction and you use the text recordsdata (templates) in ITS to merge the result, but with move recordsdata, the programming logic is in the ITS textual content files. The developer calls BAPIs in R/three however then evaluates the outcomes and decides to name one other BAPI or merge the result with the ultimate HTML template.

ITS and mySAP Workplace

With the R/3 launch 4.6, SAP additionally released the SAPGUI for HTML for the ITS. The SAPGUI for HTML, also called Webgui permits the user to entry SAP with a Web browser with the same look that the EnjoySAP SAPGUI has. The ITS was in a place to translate the SAPGUI protocol in DHMTL pages and R/three, and all of the mySAP components are available by means of a Net interface.

Moreover, the Workplace was developed as a model new SAP product included in the mySAP initiative that lets you create an enterprise portal based on person roles. In this portal, the consumer can entry all capabilities, SAP and non-SAP, internal and exterior (Web), via a Net browser, relying on the user’s private function in the organization. The Office service and portal generation are also included in the ITS.

Development Outlook

The SAP Web Utility Server is the most recent Internet resolution from SAP.When this guide was written, it was in the First Customer Shipment standing (FCS).The SAP Internet Software Server, with the SAP internal name “Roadrunner,” is a SAP-native Net application server. On this case, the application server can instantly communicate HTTP, and the application server work processes can work with HTML pages with ABAP or JavaScript code. This new technique promises a faster entry from the Internet to SAP and a number of the new Internet scenarios. For example, Web Gross sales 3.zero is being completely rewritten with the SAP Internet Application Server. For the time being, it is just out there on Windows NT/2000 or UNIX platforms with SAP-DB as a database. Whether the SAP Internet Software Server will substitute the ITS sooner or later or not is one thing we'll discover in the next two years.

Web Basic Ideas

Before going into details in regards to the ITS architecture, the following sections introduce briefly some fundamental Internet and communication ideas, which are fundamental to understanding how all the parts work together.

TCP/IP

IP (Web Protocol) is the protocol that permits two applications in two hosts to talk with every other. IP assigns a so-known as IP tackle to each host. In the present release, IP v4 is a four-byte number that’s normally represented separated with dots in decimal base, like 147.204.2.5. TCP/IP (Transmission Management Protocol/Internet Protocol) is a protocol that ensures the supply of the IP packets to this system and tries to resend the packet if the vacation spot has not acknowledged the packet reception. Another protocol over IP is UDP (Person Datagram Protocol). As reverse to TCP, UDP does not guarantee the packet delivery, nevertheless it has less overhead because of this. UDP is used on the Web in, for instance, broadcasting eventualities like radio or video applications.

Essentially the most successful protocol used in applications is TCP/IP. There are TCP/IP implementations in almost every working system, including UNIX and Windows. A number of applications have been developed over TCP/IP in a consumer/server mode. For instance, Telnet allows the UNIX person access to execute functions within the UNIX server from a remote pc (with the Telnet protocol); FTP (File Switch Protocol) allows the consumer to switch information from computer systems (primarily based on FTP instructions sent by TCP/IP); and the popular Internet mail is based on mail clients and mail servers primarily based on POP3 (Publish Workplace Protocol) or SMTP (Easy Mail Switch Protocol) instructions sent by TCP/IP. Additionally, TCP/IP is the protocol the place the SAPGUI sends the SAPGUI instructions between the SAP entrance finish and the dispatcher at the utility server.

TCP/IP is predicated on the ideas of the IP tackle and the network mask. The concept behind a community mask is that all the hosts belonging to the identical bodily community have the same network mask. The community mask can be a 4-byte quantity like 255.255.255.0. As you in all probability know, 255 in binary is 111111111. The community masks is used to check the destination host handle with its personal host network mask. The bits with 1 within the community masks must be the identical in the destination tackle because the bits in the source address. On this case, the host is thought of to be in the identical community, and the packet is distributed via the Ethernet, Token Ring, or native community adapter that is used. If not, the packet is sent to a brand new host known as a router or a gateway.

The router has several community adapters to communicate with other networks, like ISDN cards, frame relay, or others. On the other facet of this ISDN line is another router that knows its personal networks, and there are protocols between the routers to trade routing and community data to guarantee that the routers to discover tips on how to reach a selected IP address. It's past the scope of this e book to analyze the protocols between the routes. Let’s just say that there are open protocols that every router ought to know to speak on the Web, some routers additionally speak proprietary protocols (which are more environment friendly within the routing data alternate), and that the routers resolve which protocol the other facet can use.

This is basically how the Internet works: lots of networks interconnected with routers and the IP packets traveling to achieve their destinations. A reputation resolution maps the hostname to the actual IP address used within the IP protocol. This can be solved in a small network in a text file referred to as “hosts” on each pc, however in bigger networks, there are servers referred to as DNS (Area Name Server) that resolve the hostname to the IP address. The DNSs are also structured hierarchically. There's a DNS for the .com domain that is conscious of the IP handle of the .sap.com DNS, and the .sap.com DNS knows the IP addresses of their hosts. When the DNS idea was launched, some high-level domains have been defined, like .com, .org, .edu, .mil (military), .es (for Spain), .uk (for United Kingdom), or .de (for Germany). When a new area needs to be outlined, the accountable DNS of the lower-degree domain assigns it the name and registers the brand new DNS address in its DNS. In this approach, we can discover, with DNS resolution, the real IP tackle of a hostname on the Internet.

HTTP and HTML

A few of the hottest services on the Web now are the Internet companies based mostly on the HTTP protocol. HTTP is the protocol used between a Net server and a Net browser. The Web server hosts textual content recordsdata called HTML pages, and the Web browser will get these pages from the Web server, reads the HTML code within the web page, and reveals it to the user. The Internet browser sends an HTTP GET command to the Internet server to learn a web page, the Internet server sends this page written in a language known as HTML, and the browser decides how you can present the page.

HTML was designed to assist hyperlinks. The concept was for a document to reference one other document saved in the identical Net server or in another Internet server on the Internet. On this method, you can navigate from one document to another, all the time looking for the up-to-date doc that's maintained by its owner. Firstly, HTML was used to show static information, like paperwork with text and graphic information. The primary method to call a program and, in this approach, to generate dynamic content material was referred to as CGI (Widespread Gateway Interface).

CGI is the protocol (mainly used in UNIX Web servers) that specifies the finest method to design varieties in HTML and tips on how to move the fields in the type to a program in the Internet server. Within the first implementations, the Web server passed the fields like setting variables, which the referred to as program might get and use to generate the subsequent HTML page as commonplace output. Then the Net server sent this generated HTML page as the consequence to the Internet browser.

Other programming potentialities appeared later, like ASP (Active Server Pages), where the Internet server might have some particular tags in the HTML code that it used to name the code on the Net server site. DHTML (dynamic HTML) additionally allows you to embody particular tags, executed in this case on the browser website to offer particular animation and integration options on the client side.

Java and JavaScript enable the browsers to interpret JavaScripts on the browser side. Alternatively, Java applets or servlets (consumer or server) facet will let you integrate the Java language within the HTML code at the shopper or server side.

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MySAP CRM Data Administration and Business Intelligence

SAP Resolution for Data Administration

The SAP answer for data management is predicated in the tools which can be contained inside four primary elements:

1. Knowledge Warehouse
2. Performance Assessment Workbench
3. iTutor
4. Performance inside mySAP Human Assets

These four components present the required setting to give you the option to carry out the features within the information administration processes in the company.

The Information Warehouse

The Knowledge Warehouse is the primary and most essential a part of the mySAP answer for data administration by offering the needed instruments, which will be used to handle the creation, acquisition, modification, transfer, maintenance, and publishing of the information. This is also the repository for any kind of knowledge, both structured and never, which is vulnerable to being saved in digital format. By these means, the Data Warehouse provides a data portal with the required infrastructure for design in the type of an intranet, currently thought of because the cornerstone of the data transfer inside companies.

The content material is stored within the form of info objects, which can be either bodily or logical in a relationship of n to 1 (n:1) in such a approach that the structure of the data will be contained in a number of physical objects that link to a single logical object.With this technique, the consumer can show solely the content material that fits a profile, such as the language, model, or another attribute defined. This profile is identified as consumer context.It can be used for

1. Modifying, creating, and modifying immediately in the Internet browser
2. Possibility for modifying the design of the weather within the Net pages
3. Structuring the data components with cut and paste
4. Entry to the standard performance of the SAP Business Workflow
5. Integration with the mySAP customary authorization and role system
6. Direct access to the knowledge content material from the web help of the SAP transactions
7. Risk for linking different documents using hyperlinks
8. Workflow for translation
9. Modifying and modifying paperwork using the tools with which they were created

Past these prospects, the most recent releases of the SAP Information Warehouse are meant to integrate seamlessly with the mySAP Office (particularly because launch 3.0 contains Net Content material Management elements) to support the design and creation of Enterprise Portals.

Efficiency Assessment Workbench

The PAW (Efficiency Evaluation Workbench) gives the required infrastructure to verify the efficiency of the received coaching utilizing the mySAP data management solution. With this software, it is attainable to create assessments before the information acquisition (that are helpful for assessing the employee abilities so as to receive such coaching) and also after receiving the coaching or the data (in order to evaluate how usable the acquired coaching was).

The PAW might be integrated with the administration of job profiles and competencies of the Human Resource software with the intention to set up the actual competency level of the employee in line with the end result of such assessment.

Primary options of the PAW:

1. Random collection of a question pool
2. Multi answer questions
3. Establishing completely different weights for the questions and even throughout the questions for these multi answer questions
4. Utilities for adding text and images to the question design
5. Direct hyperlink from the PAW to the information contained within the Data Warehouse

iTutor

iTutor is a device for creating interactive learning units of any application that may be run in a Microsoft Home windows environment, with out the necessity for any programming knowledge. iTutor can be utilized for shortly and easily creating interactive tutorials, which, once integrated within the information circle via the Knowledge Warehouse, can be repeated as many instances as needed.

iTutor includes three primary elements: the recorder, the editor, and the viewer. The recording instrument is used for fetching and recording in graphical format the utility screens being used. The screen captures are executed the moment by which the standing of the display screen modifications, like a brand new display, as a outcome of a keys stroke was pressed, or because there was some textual content entered in some screen field. The screens are saved in graphical format, but they provide an necessary storage savings, because it records those components that made the standing change. The enhancing component is the one that allows the high quality-tuning the end result of a previous recording with the introduction of text parts, additional screens, hyperlinks to other documents, and so on. Finally, customers can entry and show the execution of the simulation utilizing the viewer. The recorded screens, along with the text elements entered within the simulation, can be printed, which additionally allows for having a print tutorial of the recorded applications.

Performance of the Human Useful resource Utility

The functionality contained within the element PD (Personnel Improvement) of the mySAP Human Sources closes the circle for a full information management solution. The main facet is related to the administration of job profiles and competencies of the workers within the training occasions management. For example, it is doable to hyperlink the required knowledge as saved within the KW, so that an employee is able to reach a required competency. Moreover, there's the chance for linking the assessments contained within the PAW, that confirms that the worker has reached that level of data or competency. Furthermore, the administration of training occasions can even have the data related with the programmed training course or programs linked.

SAP Strategic Enterprise Management (SEM)

SAP SEM is principally a set of analytical functions within the mySAP Enterprise Intelligence with the aim of turning enterprise technique into action. One of many extensively identified instruments or strategies on the planet of strategic administration is understood because the Stability Scorecard.This device is fully integrated into the SAP SEM solution. As a outcome of there is a shut and conventional relationship between enterprise technique and financials, generally you would possibly find the SAP SEM within the mySAP Financials solution. But as it's basically a set of analytical purposes, it's higher positioned inside the mySAP Business Intelligence. Now let’s have a better take a look at among the ideas talked about in an effort to get a better understanding of SAP SEM and the capabilities supported.

All companies must one manner or the other define or formulate a strategy to make their business
succeed in their market. However the difficult part comes when the technique should be transformed in the many activities to attain the objectives set by the strategy. It isn't solely a query of particular activities, because administration gurus often distinguish that strategic success comes from the fitting alternative of these activities and the way to carry out them.

As a set of analytical instruments, SAP SEM includes functions for integrating significant monetary, operational, and strategic information. The principle problem is to rework the administration strategic determination to specific and operational activities, and these in all of the different enterprise units, at all ranges, and taking into consideration all of the enterprise stakeholders. To ensure that the technique to be homogeneously understood and carried out, there should be a set of effectively-outlined strategic administration processes that may actually align the group with the strategy in order to convert it into specific actions. It should also take into accounts a continuous change and learning process so that these activities can feedback the strategic decision process for further optimization.

In these strategic processes, financial figures usually are not enough anymore as a outcome of they
usually can tell only past performance, and comparability of deliberate and real figures of budgets isn't a completely accurate measure. For improving a few of the traditional shortcomings of conventional strategic analysis, there is a new method for implementing technique.his is the Balanced Scorecard, which is outlined as the method that can be used for translating strategies into terms that could be understood, communicated, and acted upon.

This system relies on clearly defining strategic ideas similar to value, customer satisfaction, development, and others.When a clear technique has been outlined, it then is used as the organizational and administration framework. Complementing the monetary measures, higher management can monitor the drivers for performance and measure how the different units are creating value and the way they could optimize their capabilities to enhance their performance.

Based on the Balanced Scorecard concept and strategies, SAP SEM is supposed to provide organizations with the solution for implementing strategic management processes.In response to SAP, SAP SEM gives many advantages to organizations, enabling them to create value by identifying, simulating, managing, and realizing strategic growth opportunities by:

1. Permitting administration to control an enterprise internally
2. Helping to translate company technique into operational goal setting
3. Offering an end-to-finish solution to help integrated enterprise administration processes
4. Enhancing significantly the communication process with stakeholder groups and serving to due to this fact to comprehend stakeholder worth
5. Speeding up considerably the authorized and administration consolidation process by automation
6. Enabling continuous and environment friendly simulation, planning, and forecasting processes across your complete group
7. Offering a robust infrastructure for KPI (Key Efficiency Indicators) based efficiency monitoring
8. Helping to find, structure, and edit related external (unstructured) aggressive, market, or other info on an ongoing foundation and to routinely distribute it to the appropriate data shoppers
9. Accelerating implementation by prepared-to-use generic and industry specific content for SEM excellence

SAP SEM Software Structure

The SAP SEM software does not require a hyperlink to R/three ERP applications, though when there's a connection, the info collection is then made easier.There are three totally different prospects for installing the SAP SEM:

1. SAP SEM as a stand alone utility Companies or business units which may be installing the SAP SEM aren't required to have a previously installed data warehouse (a BW system), because the needed BW functions for working the stand alone SAP SEM are incorporated inside the SAP SEM. In this case, the SAP SEM will extract knowledge for the backend ERP (reminiscent of R/3) or every other exterior source that is more likely to be needed.

2. SAP SEM as a knowledge mart linked with a Data Warehouse That is the case of firms or business units wishing to make use of the SAP SEM individually, who have already got an operational information warehouse running, which could possibly be either SAP BW or other third-celebration software. In both case, the SAP SEM might be installed with the SAP BW technology, and will get maintain of knowledge by extracting it from the operational data warehouse already in place, in addition to from some other required external resource.

3. SAP SEM as a SAP BW utility The corporate or unit putting in the SAP SEM already is using the SAP BW, and would like to deploy the SAP SEM into or within the similar system. On this case, the SAP SEM software may be installed to be run as an utility on top of the already running SAP BW. The information needed for the SAP SEM might be provided by the BW and every other required external source.

In any of the above three cases, the SAP BW is the technical core for the SAP SEM. It is the SAP BW, the mySAP element accountable for storing the information and the metadata for all the appliance parts throughout the SAP SEM. All of the extraction, assortment, administration, and updating of the info is finished using the instruments provided by the SAP BW. Finish customers will be capable to entry the SAP SEM features and reports from the Enterprise Portal offered by mySAP Workplace or from another solution from SAPPortals.

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