sap po for beginners.docx

sap po for
beginners
Objective
The target of this instructional exercise is to make you comprehend - what is SAP Interaction
Joining? We won't go into the low down of the subject however we will examine the design
and various highlights of SAP PI. We will cover the fundamental highlights just and will try
not to talk about all elements in this instructional exercise.
Next there are a bunch of contextual investigations which will give you a thought regarding
the business level usage of SAP PI. When you get more familiar with the subject, you ought
to attempt to address them. The experiments are ready in a way so it will bring you down
into the subject from easy to more perplexing with every illustration and will provide you with
a general thought of the subject.
What is SAP ERP?
For any business - big or little, these are the standard business functionalities it should do for
example Material Administration, Deals and Conveyance, Money, HR and so on. There is a
lot of programming in the market which is used by the business. You will see the least
difficult one - the teller machine creating deals receipt on the off chance that you visit a little
shop to an organisation of PCs in a huge retail location, lodging and so forth working on an
ERP.
Undertaking Asset Arranging for example ERP is a viable methodology that most
organisations carry out to improve their efficiency and execution. SAP ERP is SAP AG's
Undertaking Asset Arranging, a coordinated programming arrangement that consolidates the
key business elements of the association. The essential functionalities for example HR, MM,
SD, FICO and so on are called business modules in SAP. SAP constructs them as items
and sells them on the lookout. There are two additional modules which don't uphold
business works straightforwardly yet are used for show and mix. The previous is called EP
(Undertaking Entryway) and the last option is called PI (Cycle Coordination). All the business
modules are created in ABAP while EP and PI are grown for the most part in Java. These
modules are not executables however they should be conveyed in an Application Waiter for
example ABAP Web Application Server for ABAP modules and Java Web Application
Servers for Java modules.

There are not many focuses we ought to be aware of before we bounce into the subject.
 SAP stands for Systems, Applications, and Products in Data Processing.
SAP AG is a German worldwide programming company that undertakes programming to
oversee business tasks and client relations. SAP ERP is the company's Venture Asset
Arranging, a coordinated programming arrangement that integrates the key business
elements of the association.
SAP NetWeaver Interaction Combination (SAP PI) is SAP undertaking application joining
(EAI) programming, a part of the NetWeaver item bundle used to work with the trading of
data among an organisation's inside programming and frameworks and those of outer
gatherings.
Legacy System
While carrying out the SAP ERP in an enormous business foundation, it is observed that not
all segments can be brought under the SAP ERP. Large numbers of the business segments
might have their own restrictive instruments which are exceptionally mind boggling and may
not be imaginable to be supplanted. They run in line with the SAP Framework. They are
known as the Inheritance Frameworks. Then it becomes important to incorporate between
the SAP Frameworks and such prior non-SAP Frameworks. This is where the SAP PI
becomes possibly the most important factor.
For what reason do we really want SAP PI
Aside from Heritage Frameworks, in an enormous business foundation, SAP ERP doesn't
comprise a solitary framework yet a few coordinated frameworks for example CRM, SRM
and FICO and so forth. To deal with such intricacies SAP presented Interaction Joining, a
stage to give a solitary place of coordination for all frameworks without contacting existing
complex organisations of inheritance frameworks. This is a strong middleware by SAP to
give consistent start to finish coordination among SAP and non-SAP applications inside and
outside the corporate limit. SAP PI upholds B2B as well as A2A trades, upholds coordinated
and nonconcurrent message trade and incorporates an implicit motor for planning and
executing Reconciliation Cycles.
Engineering of SAP PI
The SAP PI comprises a centre and talked structure; the spokes interface with outer
frameworks while the centre trades messages between them. The source framework is
known as the shipper framework and the objective framework is known as the collector
framework. The PI is certainly not a solitary part, but instead an assortment of parts that
cooperate deftly to execute combination situations. The engineering incorporates parts to be
utilised at configuration time, at design time and at run time.
We can isolate the SAP PI into a few regions

1.Integration Server
I2.integration Developer
3.System Scene
4.Configuration and Observing
Joining Server is the focal handling motor of the SAP PI. All messages are handled here in a
reliable manner. It comprises of three separate motors
1.Integration Motor
2.Adapter Motor
3.Business Interaction Motor
The Reconciliation motor can be viewed as the centre point and the Connector motor the
spoke. Concerning Business Cycle Motor, I will make sense of it later.
Incorporation Developer is a client-server structure for getting to and altering mix articles and
it comprises of two related instruments:
1.Enterprise Help Archive - to plan and foster items to be utilised in situations
2.Integration Index - to design the ESR objects to foster situations
Two together, we assembled reconciliation processes which are ordinarily called situations.
The Framework Scene is a focal vault of data about programming and frameworks in a
server farm and improves on the organisation of your framework scene.
In Setup and Checking we can screen the messages and connectors.
Single stack and Double stack
At the point when PI was first delivered, not all parts were based on a similar stage.
Reconciliation Motor and Business Cycle Motor was underlying ABAP while Connector
Motor, Mix Developer, SL, CM and Planning Runtime were inherent Java. So PI needs both
the Java and the ABAP climate to run and is known as the double stack.
ABAP Stack
1.Integration Motor
2.Business Interaction Motor
3.Integration Developer
Java Stack
1.Enterprise Help Archive
2.Integration Registry

a.Runtime Workbench
b.System Scene Registry
c.Adapter Motor
d.Mapping Runtime
Yet, in the later rendition every one of the parts are underlying Java. A portion of the double
stack parts are either administered off or changed to deal with the Java stack. So PI needs
just the Java climate to run and is known as the single stack.
There are advantages and disadvantages between the two stacks yet they are not shrouded
in this instructional exercise.
Incorporation Motor
The Incorporation Motor is liable for focal Mix Server administrations for example the line
steps - directing and planning. In the event that the source message structure is not the
same as the objective message structure, the coordination motor calls the Planning
Runtime, where the source structure is changed over completely to the objective
construction. The Planning Runtime depends on the Java stack. The combination motor can
likewise use an ABAP program for the transformation, which depends on the ABAP stack.
A message can be of two sorts
1.Synchronous - has both the solicitation reaction part
2.Asynchronous - has either the solicitation or the reaction part as it were
In PI, a message is addressed by a connection point.
Interface - > construction of the message in XML design + heading
In view of the above measures, there are three kinds of connection points
1.Outbound point of interaction - associate with the source framework
2.Inbound point of interaction - associate with the recipient framework
3.Abstract point of interaction - associate with the BPE
At the point when we design joining rationale (situation) in the SAP PI according to our
business prerequisites, it is the reconciliation motor which executes that setup in a stepwise
way. Pipeline is the term used to allude to all means that are performed during the handling
of a XML message. The line steps comprise of the accompanying:
1.Receiver Recognizable proof - decides the framework that takes part in the trading of the
message.
2.Interface Assurance - figure out which point of interaction ought to get the message.
3.Message Split - in the event that more than one recipient are found, PI will start up another
directive for every collector.
4.Message Planning - planning to change the source message to objective message design.

5.Technical Directing - tie a particular objective and convention to the message.
6.Call Connector - send the changed message to the connector or an intermediary.
Connector Motor
You probably saw before that the mix motor handles messages in XML-Cleanser convention
as it were. However, consider the possibility that we have a shipper and a collector business
framework where the information isn't in a similar organisation. We utilise the different
connectors in the Connector Motor to change over XML-and HTTP-based messages to the
particular convention and organisation expected by these frameworks, as well as the other
way around.
As we have examined before, SAP PI is a centre point and talked structure where the
Connector Motor can be considered as a spoke. We utilise the Connector Motor to interface
the Mix Motor (Centre) to the outer frameworks. The Connector System is the premise of the
Connector Motor. The Connector System depends on the SAP J2EE Motor (as a feature of
the SAP Web Application Server) and the J2EE Connector Engineering (JCA). The
Connector Structure gives points of interaction to design, the board, and checking of
connectors.
In a double stack framework, the greater part of the connectors depended on the Java stack
notwithstanding two connectors which depend on the ABAP stack.
Java Stack
RFC connector, SAP Business connector, record/FTP connector, JDBC connector, JMS
connector, Cleanser connector, Commercial centre Connector, Mail connector, RNIF
connector, CIDX connector
ABAP stack
IDOC connector and HTTP connector
At the point when SAP PI moved from double stack to single stack then these two
connectors turned out to be essential for the Java stack. The altered connector motor is
known as the Development Connector Motor and the two connectors are known as the IDO
Incorporation Registry
Here we make the line ventures by arranging the ESR objects made before. These means
are executed by the joining motor during run-time.

Before we start the arrangement we want to make/import the accompanying articles in the
DIR.
1.Service - Business Framework/Business Administration/Reconciliation Interaction
2.Communication Channel
A help empowers you to address a shipper or collector of messages. Contingent upon how
you need to utilise the assistance, you can choose from the accompanying help types.
1.Business Framework - to address a specific business framework as the shipper or
beneficiary of messages, pick this help type. A business framework is a real application
framework in a framework scene.
2.Business Administration - to address a theoretical business element as the shipper or
recipient of messages, pick this help type. A business administration isn't characterised in
the framework scene.
3.Integration Cycle Administration - If you have any desire to address a mix interaction as
the source or beneficiary of messages, pick this help type. At runtime, these joining
processes are constrained by messages and could themselves at any point send messages.
Correspondence channel decides the inbound and outbound handling of messages. The
messages are changed over from local arrangement to cleanser xml explicit message
configuration as well as the other way around through the connector. By and large there are
two kinds of correspondence direct in a situation
1.Sender Correspondence channel
2.Receiver Correspondence channel
You should relegate a correspondence channel to a help. Contingent upon whether the help
is tended to as a shipper or collector of messages, the doled out correspondence channel
plays the part of either a source or a recipient channel, and should be designed likewise.
You can't relegate a correspondence channel to a reconciliation interaction administration.
The line steps are made by making the accompanying 4 arrangement in the DIR
We track down the accompanying choices:
1.Sender Arrangement
2.Receiver Assurance
3.Interface Assurance
4.Receiver Arrangement
Shipper understanding characterises how the message of a source is to be changed with the
goal that it very well may be handled by the Joining Server. It comprises of the
accompanying
1.Sender Part
2.Sender Connection point
3.Sender Correspondence Channel
Source Understanding is like the essential key in the table. There can't be two comparable
shipper arrangements in a single scene.

Recipient Understanding characterises how the message is to be changed so it tends to be
handled by a collector. It comprises of
1.Sender Part
2.Receiver Part
3.Receiver Point of interaction
4.Receiver Correspondence channel
You utilise a collector assurance to indicate which recipients a message is to be shipped off.
You have the choice of characterising conditions for sending the message to the
beneficiaries. It comprises of
1.Sender Part
2.Sender Point of interaction
3.Receiver Part
Collector Assurance is of two kinds - Standard or Expanded, contingent on whether you
need to determine the Beneficiary physically or progressively by a planning at runtime.
You utilise a connection point assurance to indicate which inbound point of interaction of a
recipient; the message is to be sent to. You can likewise indicate which point of interaction
planning from the Coordination Archive is to be utilised for handling the message for
example in the event that the shipper and the collector connection point are not of a similar
configuration then there is a functional planning to change the organisation. You
characterise a connection point assurance for a source, an outbound point of interaction,
and a recipient. It comprises of
1.Sender Part
2.Sender Connection point
3.Receiver Part
4.Receiver Connection point
Interface Assurance is of two sorts - Standard or Upgraded, contingent on whether you need
to indicate the collector interface physically or through planning based message split.
Recipient Assurance and Connection point Assurance - the two together are regularly known
as legitimate directing. Source Arrangement and Beneficiary Understanding - the two
together are regularly known as the Coordinated effort Arrangement.
Framework Scene
The SAP Framework Scene Catalogue (SLD) is the focal data supplier in a framework
scene. In the site page you will track down the accompanying connections:
1.Technical Framework - Specialised frameworks are application frameworks that are
introduced in your framework scene.
2.Business Framework - Business frameworks are legitimate frameworks, what capability as
shippers or beneficiaries inside PI. Business Frameworks has coordinated reliance with the
related specialised framework.

3.Products and Parts - This data covers pretty much all suitable SAP items and parts,
including their adaptations. Assuming there are any outsider items in the framework scene,
they are likewise enrolled here.
The SLD will seem to be like as given underneath:
Items and Parts are usually called the Part Data
Specialised Framework and Business Framework are ordinarily called the Scene Portrayal.
A business framework can be designed as a Joining server or Application framework.
1.Integration Server - The Coordination server executes just joining rationale arranged in the
Mix Developer. They can likewise be distinguished as Pipeline Steps. It gets XML
messages, decides the recipient, executes the mappings, and courses the XML message to
the relating beneficiary frameworks. Hence arranged Coordination Motor is recognized to be
Focal Designed Incorporation motor.
2.Application framework - The Application framework won't execute the coordination
rationale. It thus calls the coordination server to execute the joining rationale whenever
required. It goes about as a shipper or collector of XML messages. In this way, the
Application framework with a neighbourhood Coordination Motor requires the Combination
server to execute the mix rationale.
Just a single client of the SAP framework can be designed as Incorporation Server.
The accompanying data are separated from the SLD into the ESR and DIR
1.Component Data are utilised in the ESR to characterise the Item and the SWCV
2.Business Framework are utilised in the Catalogue for characterising the source and
collector of messages
Design and Observing
It is the focal section point for the end goal of observing. This provides you with the choice of
exploring the checking elements of the Reconciliation Motor, as well as coordination with the
Figuring Place The executives Framework (CCMS), and the Cycle Observing Foundation
(PMI) of SAP.
With the Setup and It are upheld to Screen the accompanying observing capabilities:
1.Component observing - checking the different SAP PI parts (Java and ABAP parts).
2.Message observing - following the message handling status inside a SAP PI part and on
mistake location and investigation.
3.End-to-end checking - observing a message lifecycle according to the SAP PI perspective.
4.Performance checking - insights about various execution parts of SAP PI can be gotten to
through the RWB. Here, you can choose total execution information, for instance, by part,
time reach, or message credits.

5.Index organisation - by managing and observing the ordering of messages per SAP PI
part, you empower a record based message search that you can use in message checking.
This sort of message search offers you improved choice models including connector explicit
message credits and terms or expressions from the message payload.
6.Alert setup - by utilising the Ready Structure, focal checking in PI can be given all mistakes
revealed during message handling in ABAP and Java. This empowers a superior response
to such mistakes in both the ABAP runtime and the Java-based Connector Motor. For this
reason, the Ready System is given guidelines in view of specific occasions and on data from
the header of the PI message convention. These guidelines decide if cautions are sent or
not. Assuming an alarm is sent, it very well may be utilised for mistake investigation.
7.Alert inbox - the alarm inbox is client explicit and shows every one of the cautions for each
ready server that has been created in light of the ready setup.
8.Cache observing - store checking shows protests that are presently in the runtime reserve.
Different store objects are observed relying upon the reserve occurrence concerned.
Simultaneous versus Nonconcurrent correspondence
A cycle can be characterised as either simultaneous or offbeat.
*A simultaneous cycle is conjured by a solicitation/reaction activity, and the consequence of
the interaction is gotten back to the guest quickly by means of this activity.
*An offbeat interaction is conjured by a one-way activity and the outcome and any
deficiencies are returned by summoning other one-way tasks. The outcome is gotten back to
the guest by means of a callback activity.
In the PC world, there is no offbeat correspondence. All correspondence between two
frameworks is dependably by means of strategy call (demand/reaction activity). So how
would we make it non concurrent? The response lies with the presentation of a third in the
middle of between the called and the guest capability.
Assume there are two frameworks - An and B. All correspondence among An and B is by
means of a technique call and in this way they are simultaneous. We presented a third
framework among An and B and called it the Transitional framework - I. The correspondence
among An and I is through strategy call and likewise among I and B is additionally by means
of technique call. Be that as it may, the correspondence among An and B can be called
offbeat as A doesn't need to hang tight for the reaction from B.
This is the premise of nonconcurrent correspondence and what is this transitional
framework? That is the Line. An is known as the source and B is known as the collector.
Message from An is first added to the Line and afterward it is again pulled from the Line and
shipped off B. The reaction from B arrives at A likewise. In specific circumstances, the
business prerequisite requires the messages to be conveyed to B in a similar request as
they are set off from A. In such cases we follow a first-in and first-out strategy.

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