EM architecture doubt

Hi all,
In the architecture diagram I see that EM agent receives Config changes,Realtime Metric Values, Remote op Submission.
I am unclear what each one of them, If any one know clearly please post it.
According to what I understand Config chages: are basically change in policies where in we defined them to be compliance to standard...But here I doubt, does agent needs to be known of this.
Realtime Metric Values: Metric codes which are responsible to alerts and notifications
Remote op Submission: Applying patches, cloning etc...
But I doubt what I am guessing is correct.
Thank you,
Sateesh.

If you define a policy, for instance that certain privileges should not be assigned to Public, it is the Agent that will connect to the database to check this compliance and upload the results to OMS.
So I think the Agent need to know about it.
BTW - There are other Config changes that the EM Agent recieves (monitoring etc).

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Hi guys,
I have some questions about an architecture a client wants to implement.
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Hi,
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Incentive & Commission Management architecture doubts

Hi.
I'm trying to implement Incentive & Commission Management from the technical perspective, and i'm looking for documentation and technical guides.
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Hi,
I hope you have resolved your query by now.
if not then see below the quoted text
" The Business Package for Sales Compensation Analyst (Insurance) is based on the Business Package for ICM Analyst. This business package consists of so-called Worksets for Reuse. Therefore you must implement the Business Package for ICM Analyst to be able to use the Business Package for Sales Compensation Analyst (Insurance). "
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http://help.sap.com/erp2005_ehp_05/helpdata/EN/92/de8d67d98048108183ff4b88cd7fa0/frameset.htm
http://help.sap.com/erp2005_ehp_05/helpdata/EN/78/67f774950c475f895da9441ae36a1c/frameset.htm
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Agent vs context

Hi,
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It's all right !
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we configure the agent_host_{color:#ff0000}prod{color}{color:#ff0000} {color}to connect ,with ODI_SECU_URL, ODI_SECU_WORK_REP, etc... parameters, to the {color:#ff0000}exe_repository{color} and the agent_host_{color:#008000}test{color}{color:#008000} {color}to connect to {color:#008000}dev_repository{color} ...
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Thanks a lot !
Mauro Benotto

Hi,
You should have two physical agents, two logical agents, and two contexts.
Your "dev" context should have the logical agent that is mapped to the dev physical agent.
Your "test" context should have the logical agent that is mapped to the test physical agent.
Also - you should have a Work Repository for Dev, and a Work Repository for Test ( one for each
stage of your development cycle - for example ( dev test qa production ) ).
Regards,
David Hecksel
http://davidhecksel.com/blog/odi

Doubt on servlet architecture, URGENT

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I need to know how ODI (Architecture) works on basic transformations. From my understanding,
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hello friends,
I have doubts in fi-sl,
there are two tables, summary table and ledger.
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Hi,
1) a) A Web Server understands and supports only HTTP protocol whereas an Application Server supports HTTP,TCP/IP and many more protocols.
b) Web server mainly deals with sending HTML for display in a Web browser, an application server provides access to business logic for use by client application programs. The application program can use this logic just as it would call a method on an object.
c) Webserver is used only for jsp and servlets and for static functionality it has limited functionality and it doesn't provide any security ,persistence and it doesn't support EJB and JMS and JAAS like other functionality
whereas Application server provide all functionalities.
In short, Applicaion Server is a super set of which Web Server is a sub set.
2) Two-tier architecture is a client/server architecture , where a request to do some task is sent to the server and the server responds by performing the task.where as a three-tier or a multi tier architecture has client, server and database. Where the client request is sent to the server and the server in turn sends the request to the database. The database sends back the information/data required to the server which inturn sends it to the client.

Some doubts in j2ee

Hii..,
Some doubts in j2ee .plz help with as
1.What are the main difference between application server and web server
2. two and three tier architecture differences
by Anand PC

Hi,
1) a) A Web Server understands and supports only HTTP protocol whereas an Application Server supports HTTP,TCP/IP and many more protocols.
b) Web server mainly deals with sending HTML for display in a Web browser, an application server provides access to business logic for use by client application programs. The application program can use this logic just as it would call a method on an object.
c) Webserver is used only for jsp and servlets and for static functionality it has limited functionality and it doesn't provide any security ,persistence and it doesn't support EJB and JMS and JAAS like other functionality
whereas Application server provide all functionalities.
In short, Applicaion Server is a super set of which Web Server is a sub set.
2) Two-tier architecture is a client/server architecture , where a request to do some task is sent to the server and the server responds by performing the task.where as a three-tier or a multi tier architecture has client, server and database. Where the client request is sent to the server and the server in turn sends the request to the database. The database sends back the information/data required to the server which inturn sends it to the client.

Enterprise Manager 11g Sybase Plugin architecture question

Hi,
have successfully installed and configured Grid 11g on RedHat Enterprise 5.5. Deployed and configured agents to solaris and linux environments..so far so good.
However, we're going to test the Sybase ASE plugin to monitor ASE with EM. My question is a simple one and I think I know the answer but I'd like to see what you guys think of this.
We'd like to go with a simple centralised agent rather than one agent/plugin per sybase machine, atleast for the tests. No doubt there may be pro's (first one clearly being one of a single point of failure - welll we can live with this for now) to this approach. My instinct is to install the oracle agent/plugin on a machine other than the grid machines itself, however the question arose - why not install the ASE plugin on the grid infrastructure machine agents themselves? Pros and cons?
The architecture we have currently : repository database configured to failover between 2 redhat boxes. 2 OMS running 1 on each of these boxes configured behind SLB using nfs based shared upload directory. One 'physical agent' running on each box. Simple for now. But I have the feeling , given that the Sybase servers will communicate or be interrogated via the sybase plugin directly to the grid infrastructure machines placing load etc on them , and in case of problems might interfere with the healthy running of the grid. Or am I being over cautious?
John
Edited by: user1746618 on 12-Jan-2011 09:01

well I have followed the common sense approach and avoided the potential problem by installing on a remote server and configuring the plugin on this.
Seems to be working fine and keeps the install base clean..

BDOC message flow and its architecture

Hi Expert,
It can be a simple question but i have a doubt regarding the flow of messages using SAP CRM middleware.
The scenario is like:
1. Message flows from ECC to CRM through a BDoc. (It can be opposite way also)
2. The BDoc fails in CRM due to some data issue.
3. A BDoc message id is generated.
4.Now the data is corrected in ECC and initial load was triggered.
5.The messages are flowing correctly.
So my doubt is:
1.What will happen to the old BDoc?
2. Do the initial or delta load processes the messages with new BDoc ID or through the old BDoc ID?
3. If the messages are processed through new BDoc id, can the old BDocs be deleted?
Please help me understand this concepts of BDocs and please provide me to some study material to get more undertsanding of the BDOC message flow architecture.
thanks,
Vicky

Hello Vicky,
i think I understand exactly what your confusion is all about.
1.What will happen to the old BDoc?
The old Bdoc will remain in error state until it is archived or set to processed state.
2. Do the initial or delta load processes the messages with new BDoc ID or through the old BDoc ID?
It will be a separate BDoc with a new BDocId. If you get an Error in SMW01 this is beyond the queueing, so later Messages will not get queued behind your faulty bdoc. They will also not "update" your BDoc in any way. Later BDocs will Bypass a bdoc in error state and update your object in CRM if the error in data has been solved in ERP before. If the data error is not corrected, you will get a second failed bdoc.
3. If the messages are processed through new BDoc id, can the old BDocs be deleted?
Best practise for the Bdoc with error would be to set it to processed state. That way there is no way that Bdoc can be processed afterwards. The BDoc will then be archived with the next run.
Best regards,
Lutz

Remote Monitoring Latest Best Practice Architecture

Hi guys,
I've developed very few remote monitoring systems in the past. One of them was using a PXI RT and the rest are cRIO. The approach and architecture were based from some of the things I've read from ni.com and this forum. In the process, there were much difficulties and some extensive troubleshooting exercises that I need to do. The results, while the system work and meet the user's requirements, it didn't meet my own expectation. I was hoping that the system can be expanded (adding more cRIO or PXI) with much ease and little or no re-programming effort. Anyway, 2-3 years have passed and opportunities with similar requirements has emerged. So, I would like to get started to think about the architecture at an early stage (ie. now).
In my past systems, I've used Shared Variables (SV) a lot - and it gave much much headache too. Some of the troubles I had were:
1. I can't decide whether to lump all SV in one library and host them in one system, or to separate them into various libraries and systems... neither do I know what's the best approach, as I've read too many 'suggestions' and 'advices',
2. Some of the SV are from custom control and the control is type-def. When running the VI in RT with these SV in development platform, everything works smoothly but when I compiled and deploy, the program didn't run. After extensive troubleshooting, I found out that this had something to do with these SV - because when I removed the type-def from the custom controls and recreate my SV, everything worked fine. I suspect this may have something to do with how I deploy but after I tried several approach, the problem still persist.
3. The best and most common of all is unstable connectivity - it work today but that doesn't guarantee it will work tomorrow. When the host PC changes, the same problems resurfaced again. I read somewhere that I need to read or interface with the .alias file but this work some times and other times, the same problem persist.
Attached is the most common architecture that I've used. I would like to move away from SV as much as possible. If the application is 1:1, there's no problem as I can easily use TCP/IP & Network Stream. However, my doubts and headache comes when the RT:Host communication is either 1:N, N:N or N:1. I've read in ni.com and found out that there are various new approach to this, such as AMC (derivated from UDP), Web Services (or was it HTTP).
I really appreciate it if you guys share your thoughts and advices here, please?
Shazlan
Attachments:
Remote Mon Sys - Arch.pdf ‏27 KB

Nick,
I was not talking about the mgmt0 interface. The vlan that you are testing will have a link blocked between the two 3750 port-channel if the root is on the nexus vPC pair.
Logically your topology is like this:
| |
| Nexus Pair |
3750-1-----------------------3750-2
Since you have this triangle setup one of the links will be in blocking state for any vlan configured on these devices.
When you are talking about vPC and L3 are you talking about L3 routing protocols or just intervaln routing.
Intervlan routing is fine. Running L3 routing protocols over the peer-link and forming an adjaceny with an router upstream using L2 links is not recommended. Teh following link should give you an idea about what I am talking here:
http://bradhedlund.com/2010/12/16/routing-over-nexus-7000-vpc-peer-link-yes-and-no/
HSRP is fine.
As mentioned tracking feature purpose is to avoid block hole of traffic. It completely depends on your network setup. Don't think you would be needing to track all the interfaces.
JayaKrishna

Help using JMS in a network/general architecture

Hi everybody :
We are working on the development of a distributed application. The architecture of the system is something like this:
- A dispatcherthat receives requests (in a string shape) via http post. This unit has to encapsulate this request in a object and fordward such a petition to the correct service according a parameter of the request string.
- A little number of services (4 or 5) that wait for requests delivered by the dispatcher. When a petition arrives, is attended to, and a response is sent to the client, using the http post that the client has used to send us the initial request. The computation complexity could be severe (access to DB, on-demand compilations, multimedia handling...).
The distribution arises when we wanted to place each service on different machines due a heavy amount of requests.
On a first approach, we are considering to use a servlet to manage the requests and JMS as middleware messaging service, as we want to provide an efficient communication layer between the modules of our application.
Here come my doubts:
- Would be the system more efficient if the service-providers are some kind of Enterprise Java Beans? And servlets?
- I have readed the JMS and de JNDI tutorial. I have performed many tests in local mode, and i want now to do the same in a network mode... could somebody orient me? How do could i bind a connection factory with a specific resource across the network? In coding time or in deploying time?
Help will be very very appreciated!!!!!
Thank you very much for reading this message
Greetings from Maria, Spain (europe)

Hello Maria,
You mention several things regarding architecture. I'll try to iterate them for you. As always this is just one persons idea/opionion.
Receive Request from HTTP Posts. (Dispatcher)
-- Sounds like an XML String morphed into an object via servlet. You could standardize on SOAP if it's not too much overhead.
Services - High computation...
Let jms receive and queue these requests. A service delegate can spawn threads to deal with the complex computations. I say Queue so you can cap the active thread count and pause the delegators thread creation due to any memory / cpu constraints...
As far as JMS is concerned I'm unaware of your transactional requirements. In enterprise systems I have written, everything must be transacted and audited. JMS has a nice model for this. You could move to a pub/sub architecture as well.
Scalability - (Distribution arises) - Each machine can maintain it's own queue and the servlets can distribute to them. Or you can pub/sub them via a dispatcher, it's own machine if desired - and let each machine act as a listener. A nice model as the amount of services grows.
- Now that I've only reiterated what you've tried..
Would be the system more efficient if the service-providers are some kind of Enterprise Java Beans? And servlets?
-In my opionion for the high volume HTTP requests, servlets can lift the load.
-You system has a high level of requests and load on your CPU. I'll also assume that transactions and auditing are required. As I'm sure you well know EJB is not the fastest animal in the forest. I would not use Message Driven Beans as you will have a hard time tunning performance within an EJB Container.
- Now after I've said all that any fallout and persistance requrements from each service can leverage EJB's. Just remember that EJB's lend themselves well to web/commerce apps. I have no idea of your applications context so I'm taking a stab. There are wonderful tools in the EJB architecture, however, just because you've chosen Java doesn't mean you have to use EJB's. If speed in an issue for these services ( persisted or session level ) perhaps a mix is what your desire. ( I find session beans to be much better accessors than there sluggish entity brothers. )
JNDI - Create a Service Locator that abstract the lookups for your services. Depending on how far you want to go. Our Service Locator can look up a multitude of contexts. Be it Weblogic/Websphere or a file system. There is no magic to it you just have to plug and play the contexts.
"I have readed the JMS and de JNDI tutorial. I have performed many tests in local mode, and i want now to do the same in a network mode... could somebody orient me? How do could i bind a connection factory with a specific resource across the network? In coding time or in deploying time?"
--I would take the performance hit on late binding and use caching to try and gain some back. Below is a small example...
-- All in all, It would help you to become more familiar with the EJB spec if your planning on that path. You soon come to notice it's features ( and particular quirks ).
Good Luck,
Hope this helps
private String serverInstance;
private String serverPort;
/** Creates new ServiceLocator */
protected ServiceLocator(String host, String port) {
this.serverInstance = host;
this.serverPort = port;
public String getServerPort() {
return this.serverPort;
public String getServerInstance() {
return this.serverInstance;
private javax.naming.Context getInitialContext() throws javax.naming.NamingException {
javax.naming.Context ctx = null;
java.util.Properties prop = new java.util.Properties();
prop.put("java.naming.factory.initial", "com.sun.jndi.rmi.registry.RegistryContextFactory");
prop.put("java.naming.provider.url", "rmi://"+serverInstance+":"+serverPort+"");
prop.put("java.naming.factory.url.pkgs", "org.objectweb.jonas.naming");
ctx = new javax.naming.InitialContext(prop);
return ctx;
public Object getContainerService(String jndiName) throws javax.naming.NamingException {
javax.naming.Context ctx = getInitialContext();
java.lang.Object obj = ctx.lookup(jndiName);
return obj;
public static ServiceLocator getInstance(String host, String port) {
return new ServiceLocator(host, port);

Weblogic leaves in-doubt transaction on Oracle when it fails

Hi,
I'm looking at resilience with our Weblogic (6.1sp2) and Oracle
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oracle.jdbc.xa.client.OracleXADataSource). We need to do this because
our application uses JMS/Message driven beans to intiate a lot of the
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together with the message and any other work. We don't "enable
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behaviour, with JMS and the JDBC connection as the XA resources.
The problem is when/if Weblogic dies. As WLS is the transation
manager, if a transaction is in-flight at the time WLS fails the XA
resources need to take action. If the TM fails after the transaction
starts but before the prepare() calls, it seems as though things
generally work out; Oracle rolls back its transactions, and when WLS
is restarted, the JMS messages are recovered and re-delivered (after
the initial delay period of five minutes). The problem seems to be
when WLS dies between the prepare and the commit. In this case, Oracle
holds the various locks it needs to commit the transaction, and when
WLS is restarted it doesn't seem to inform the XA resources that the
transaction should be rolled back/abandoned. Until a DBA sorts out the
problem, any attempts to use the locked areas (e.g. anything that does
a table scan or uses specific rows) result in errors of the form:
ORA-01591: lock held by in-doubt distributed transaction 18.65.2221
This is sensible as far as Oracle's concerned - it doesn't know if any
other XA resources committed or rolled back their transactions.
However, I'd have expected WLS, as the TM, to have sent the necessary
instructions to Oracle once the transaction has been recovered.
Nothing in WL's logs implies it's trying to do anything with recovered
transactions.
I've managed to make this repeatable. I have a class which I can send
a JMS message to kill the server. This MDB calls
Runtime.getRuntime.halt(1) (to simulate a serious crash) either during
the transaction (in onMessage()) or registers its own "XA killer"
resource which calls halt(1) in the prepare(). In the latter case I
always get an in-doubt transaction.
Anyone else had this behaviour, and more importantly, know how to
resolve it?
James

Lou,
any information about the results of testing of the patch from oracle for 'in-doubt
transaction' problem?
Thanks
Sanjay
"Fei Luo" <[email protected]> wrote:
>
James,
Our support engineer is still testing the patch from Oracle. I
will keep you updated on this.
[email protected] (James Elson) wrote:
"Fei Luo" <[email protected]> wrote in message news:<3cee9c1c$[email protected]>...
Are you using Oracle817? Yes, we are.
There is a known Oracle817 bug that may be related to
your problem. You may try Oracle901.Ah. Such an upgrade would have major implications on our architecture.
Do you have any more information on this bug (a bug number etc)?
Would we have to upgrade the server, or just the clients?
James

How does ABAP webdynpro architecture works......

Hi experts,
I am new to Abap webdynpro and i have a task to finish.
Basically i gone through many documents on WDA, but was able to understand very little.
I have following questions --
1. When u create component, what is the use of component controller?
2.. What exactly context and context node difference? Do we need to create an attribute(input box, button etc), under one context?
3. How can i read the date entered by user? where to read? If i want to read a particular iinput box data and save it to database table, how and where it has to be done?
4. How can i read the table data, complete table of UI?
5. What is an interface controller/component?
I still have lot of doubts about understanding MVC architecture, but I am so so sorry as I have little scope OO abap, so fining difficult to understand.
Kindly if someone explain me I would be greatfully thankfull to you.
Thanks in advance,
Niraja.

Hi Niraja,
I am replying to your questions 1 by 1.
+When u create component, what is the use of component controller?
+
Ans A component controller contains the context,attributes, methods etc for a component. No component can exist without this.Even a view has its own controller having same contents.
All the tabs which you see after clicking on COMPONENT CONTROLLER constitute the controller.
What exactly context and context node difference? Do we need to create an attribute(input box, button etc), under one context?
Ans: Context itself is a context node, but the only difference is that its the root and has unchangeable properties.It has a fixed cardinality of 1..1 where as a node can have different properties.
All nodes and attributes for different UIs are created in the context only.
How can i read the date entered by user? where to read? If i want to read a particular iinput box data and save it to database table, how and where it has to be done?
Ans: Data can be read in form of nodes and attributes. Every UI element for example an Input field will be bound to a attribute.
You can read these values by code ( use CODE WIZARD).
You can code in any methods given under method tabs.
You can create your own methods like event handlers for buttons and different events. You can write all your queries in these methods
+How can i read the table data, complete table of UI?
+
Ans: If u mean by reading the whole node data, I would suggest you to use code wizard and understand the code.
5. What is an interface controller/component?
Ans: If you want to share your component and make it available for use in other components you define your make your methods and context visible in this controller .
Please see the link below for whole Web Dynpro ABAP help.
[WD ABAP|http://help.sap.com/saphelp_nw04s/helpdata/en/43/1f6442a3d9e72ce10000000a1550b0/frameset.htm]
I would suggest you to understand things and try them and then come with doubts.
Regards,
Sumit Oberoi

Ask the Expert: NGWC (3850/5760): Architecture and Deployment

Welcome to the Cisco Support Community Ask the Expert conversation. This is an opportunity to learn and ask questions about NGWC (3850/5760): Architecture and Deployment.
Ask questions from Monday, April 13th, 2015 to Friday, April 24th, 2015
This Ask the Expert Session will cover questions spanning NGWC products (3850/5760) on Implementation and Deployment from the Wired and Wireless perspective. This will be more specific to Customer’s and Partners questions covering 3850/5760 configuration, Implementation and deployment.
Dhiresh Yadav is a customer support engineer in High-Touch Technical Services (HTTS) handling supporting Wireless and Network Management based Cisco products and is based in Bangalore. His areas of expertise include Cisco Wireless CUWN and NGWC Product line. He has over 7 years of industry experience working with large enterprise and service provider networks. He also holds CCNP (RS) and CCIE (DC-Written) and CCIE Wireless certification.
Naveen Venkateshaiah is working as a Customer support engineer in High-Touch Technical Services (HTTS) handling and supporting Lan-switching and Data center Products. His areas of expertise include Catalyst 3k,4k , 6500 , Nexus 7k Platform He has over 7 years of industry experience working with large Enterprise and Service Provider networks. He also holds CCNA, CCNP (RS) and CCDP-ARCH,CCIE-R&S Written, AWLANFE, LCSAWLAN Certification.
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Hi Dhiyadav,
thank you for your reply it cleared some doubts that were in my mind but i need your more support to guide me a converged access deployment which i am going to deploy within few days.
i have
2x5508 in HA as MC
30x3850 switches, and all will be used as MA(s) with multiple SPGs
2X5508 1:1 as an anchor controller
1xISE 1.3 for guest access
1xCPI for wireless mgmt and monitoring purpose
1xMSE3355 with wips and context aware licenses
200x cisco 3702i WAP
50x WSSI module for monitoring the channels
can you please put a light on the design and guide me that which are the best possible solutions to get this job done very smoothly.
i will also let you know about my proposed design scenario but for sure i need your recommendations as well :)
so,
i will use 2x5508 wlcs in HA as a MC which are AP-Count and HA licensed..
3850 switches will be MA and i ll configure SPGs per floor switches stacks
WAPs will join on these 3850 MAs base on each floor
i would have 2 ssid like employee and guest
i will configure them on each 3850 stack MA along with their SVIs for users access like (empolyee and guest ssid)
here my question is for guest ssid and its vlan... do i configure it here or on anchor controller???
i want ISE to be integrated with wireless for employee 802.1x and for guest web Auth. so, how i will integrate ISE with wireless. i mean weather i will integrate it anchor controller or with each 3850 MA???
between foreign and anchor controller i will use new mobility instead of old EOIP!!!
where shall place ISE in my network, in DMZ or with Core switch?
my target for guest users to do not have access to any corporate network sources ?
MSE:
can i use both wips and context aware on the single MSE box?
if yes, than what is the best practice for configuring them?
are each 3850 MA will be added in MSE?
WSSI module . will be used for monitoring purpose for wips and context aware profiles.
all access point will be worked in local mode for serving users access.
thank you

EM architecture doubt

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