WLI as an Enterprise Service Bus (ESB)?
Hi!
BEA has previously sold WLI 8.1 as an ESB. See e.g. http://dev2dev.bea.com/pub/a/2004/12/soa_ibarra.html
Now that AquaLogic Service Bus has beed launched, it seems that the two products have much in common and some overlapping functionalities. E.g. both products have support for messaging and transformations.
For me it seems that the role of the two is not clearly defined.
What is new with AquaLogic Service Bus? What is the big difference? Why not just use WLI as previously described in the article by Ibarro?
Any thoughts? All input appreciated.
I also think that same way. I do not know what is so apecial about BEA Aqualogic ESB and other market matured ESB products such as TIBCO & SONIC. The samples which BEA has given in their evaluation guide are very simplistic. BEA should do more to provide extensive knowledge/features about their Aqualogic line of products.
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Comparison between ODI and Enterprise Service Bus (ESB)
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As per my knowledge Oracle has provided two infrastructures, namely ODI and ESB for migrating data across applications.
My query is where I should use ESB and where ODI. Is there any comparison document available? I heard that for bulk data movement ODI is suggested by Oracle. Is there any benchmark exists for comparing these two tools?
I also want to map these tools with Oracle E-Business suite's conversion process. Is it possible to map each stage of a traditional Conversion Process (Data Loading, Validating, Importing to Oracle EBusiness Suite) using these tools?
Any kind of help/idea will be very much appreciated.
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TapasI also think that same way. I do not know what is so apecial about BEA Aqualogic ESB and other market matured ESB products such as TIBCO & SONIC. The samples which BEA has given in their evaluation guide are very simplistic. BEA should do more to provide extensive knowledge/features about their Aqualogic line of products.
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What is SAP ESB (Enterprise Service Bus)?
Hi fellow sdners gurus I have been reading threads about SAP SOA and ESB.
I do not want to start a debate on wether XI is an ESB, but more of a statement to what is SAP ESB (if XI it is, then be it).
1) What is SAP ESB (Enterprise Service Bus) today (I could not find a clear answer to is)?
2) Who uses this SAP ESB in production currently and what kind of environment (i.e. strictly SAP backend systems, or combination of various vendors backend systems)?
Can someone share some light on this topic?
As a reminder, an ESB is expected to exhibit the following characteristics (source Wikipedia):
It is usually operating-system and programming-language agnostic; for example, it should enable interoperability between Java and .NET applications.
It uses XML (eXtensible Markup Language) as the standard communication language.
It supports web-services standards.
It supports various MEPs (Message Exchange Patterns) (e.g., synchronous request/response, asynchronous request/response, send-and-forget, publish/subscribe).
It includes adapters for supporting integration with legacy systems, possibly based on standards such as JCA
It includes a standardized security model to authorize, authenticate and audit use of the ESB.
To facilitate the transformation of data formats and values, it includes transformation services (often via XSLT or XQuery) between the format of the sending application and the receiving application.
It includes validation against schemas for sending and receiving messages.
It can uniformly apply business rules, enriching messages from other sources, the splitting and combining of multiple messages and the handling of exceptions.
It can provide a unified abstraction across multiple layers
It can route or transform messages conditionally, based on a non-centralized policy (i.e. no central rules-engine needs to be present).
It is monitored for various SLA (Service Level Agreement) threshold message latencies and other SLA characteristics.
It (often) facilitates "service classes," responding appropriately to higher and lower priority users.
It supports queuing, holding messages if applications are temporarily unavailable.
Your help is greatly appreciated.
Kind Regards,
Jean-MichelPI or XI is the ESB from SAP side. PI is not a full pledged ESB on a reference model of ESB idea but it is the the framework SAP provide as a ESB product.
A Standard Based ESB Reference Model should fullfil the following features in a framework.
ESB Features Service Enablement Phase (1, 2, 3)
1) Message brokering between heterogeneous environments
2) Supports asynchronous, synchronous, publish and subscribe messaging
3) Supports synchronous and asynchronous bridging
4) Supports message formats of SOAP
5) Support for message format of SOAP with attachments
6) Support for xml message
7) Support for structured non-XML data
8) Support for raw data message
9) Support for text data message
10) Sport for e-mail with attachment message
11) Heterogeneous transports between service end points
12) Supports for FILE protocols
13) Supports for FTP protocols
14) Supports for HTTP protocols
15) Supports for HTTPS protocols
16) Supports for Multiple JMS providers
17) Supports for RMI protocols
18) Supports for web service protocols
19) Supports for CORBA protocols
20) Supports for DCOM protocols
21) Supports for E-mail (POP, SMTP, IMAP) protocols
22) Support for advanced transformation engine
23) Support for configuration-driven routing
24) Message routing based policies
25) Support for call-outs to external services to support complex routing
26) Support for point-to-point routing
27) Support for one-to-many routing scenarios
28) Support for request response model
29) Support for publish-subscribe models
30) Service monitoring
31) Service logging
32) Service auditing with search capabilities.
33) Support for capture of key statistics for message and transport attributes including message invocations, errors, and performance, volume, and SLA violations.
34) Supports clusters and gathers statistics across the cluster to review SLA violations
35) Support for service provisioning
36) Support deployment of new versions of services dynamically through configuration
37) Migrates configured services and resources between design, staging and production
38) Supports multiple versions of message resources that are incrementally deployed with selective service access through flexible routing
39) Configurable policy-driven security
40) Supports the latest security standards for authentication, encryption-decryption, and digital signatures
41) Supports SSL for HTTP and JMS transports
42) Supports multiple authentication models
43) Policy-driven SLA enforcement
44) Establishes SLAs on a variety of attributes including
a. Throughput times
b. Processing volumes
c. Success/failure ratios of message processes
d. Number of errors
e. Security violations
f. Schema validation issues
45) Initiates automated alerts or enables operator-initiated responses to rule violations using flexible mechanisms including
a. E-mail notifications
b. Triggered JMS messages
c. Triggered integration processes with a JMS message
d. Web services invocations with a JMS message
e. Administration console alerts.
46) Support for having multiple LOBs manage their own service bus based on their policies, and a service bus at an enterprise level that could act as a broker for sharing services across the various business units.
47) Support for agent plug-in to support following features
48) External providers service access for security
49) External providers service management
50) External providers transaction container
a. External providers business orchestration (BPEL Engine) and business work flow service container
51) Transaction support on message level
52) IDE Integration
53) Open standards -
SAP XI versus Sonic's Enterprise Service Bus
Hi,
Question 1:
In David Chappell's book 'Enterprise Service Bus', the Sonic ESB is described. He says that the ESB is more than a hub-and-spoke integration broker: ESB is a MOM and above that several 'generic' services, which handle the traffic and routing on the bus, for instance:
- Transformation service
- Content based routing service
- Orchestration service
- Splitter service
- Etc.
Is this concept adopted in ESA? If so how is this functionality implemented?
Question 2a: does XI uses xCBL as a XML-dialect?
Question 2b: does XI make use of the canonical-XML concept (by using xCBL) ?
Thanks in advance!
Greetings TheoAs answer on question 1:
No I never found any documentation from SAP that described a ESB solution. So al the knowledge must come from other vendors in your case from Sonic.
But there is hope you can use XI in a ESB way. You must only (add) configure the ESB parts. This is done by adding a service repository for example the UDDI server in combination with some BPML engine.
By adding it al together you can execute your business processes over multiple system platforms using SOAP in a synchronic way.
This is the basic concept of a ESB.
The answer to question 2.
I dont know if XI has build in support, but a know that there are free tools that can handle Canonical XML. So you can make a service your self to handle the Canonical XML documents. -
Sun idm adapter for Enterprise Service Bus (Using MQ)
Hi
Can you please let me know if any sun idm adapter support Enterprise Service Bus (Using MQ) ?
ThanksAs answer on question 1:
No I never found any documentation from SAP that described a ESB solution. So al the knowledge must come from other vendors in your case from Sonic.
But there is hope you can use XI in a ESB way. You must only (add) configure the ESB parts. This is done by adding a service repository for example the UDDI server in combination with some BPML engine.
By adding it al together you can execute your business processes over multiple system platforms using SOAP in a synchronic way.
This is the basic concept of a ESB.
The answer to question 2.
I dont know if XI has build in support, but a know that there are free tools that can handle Canonical XML. So you can make a service your self to handle the Canonical XML documents. -
Practical Enterprise Service Bus Use Cases for SOA & writing for Dev2Dev
Dev2Dev has just published:
Practical Enterprise Service Bus Use Cases for SOA
http://dev2dev.bea.com/pub/a/2006/06/service-bus-use-cases.html
"What is the role of an ESB within SOA? In this article, Kenny Shin provides some practical advice, illustrating how an ESB adds aspects such as transport security, data validation, and messaging patterns to Web services"
Check it out. If you'd like to write for Dev2Dev, please contact me - I have plenty of ALSB topics to choose from.
Regards,
Jon
Jon Mountjoy - http://dev2dev.bea.com/pub/au/13I also think that same way. I do not know what is so apecial about BEA Aqualogic ESB and other market matured ESB products such as TIBCO & SONIC. The samples which BEA has given in their evaluation guide are very simplistic. BEA should do more to provide extensive knowledge/features about their Aqualogic line of products.
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Publish BUS1065 object to Enterprise Service Bus (Tibco)
Dear forum members,
We are trying to find out if a concept we designed will work. Our goal is to publish a full business object e.g. BUS 1065 (Employee) to the Enterprise Service Bus (Tibco JMS technology).
We plan to customize change pointers to the BUS object, which will trigger a replicate of the BUS object. We hope to create an outbound iDoc which will contain the full BUS object. The ESB solution will trigger a JMS publish on receiving the iDoc.
Does anybody has experience with replicating a business object for a non SAP receiver? Will our concept work?
kind regards,
RichardDear forum members,
We are trying to find out if a concept we designed will work. Our goal is to publish a full business object e.g. BUS 1065 (Employee) to the Enterprise Service Bus (Tibco JMS technology).
We plan to customize change pointers to the BUS object, which will trigger a replicate of the BUS object. We hope to create an outbound iDoc which will contain the full BUS object. The ESB solution will trigger a JMS publish on receiving the iDoc.
Does anybody has experience with replicating a business object for a non SAP receiver? Will our concept work?
kind regards,
Richard -
Enterprise Service Bus and ESA
Hi ,
I like to know, how to realize Enterprise Service Bus in the Enterpise Servise Architecture?
Thanks in advance.
Regards
Lemin.hi there,
for an introduction have a look <a href="https://www.sdn.sap.comhttp://www.sdn.sap.comhttp://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/d86cf1a4-0701-0010-409d-c568b1d2519e">here</a>.
For more in-depth information search <a href="http://help.sap.com">SAP Help</a> for XI & BPEL, e.g. <a href="http://help.sap.com/saphelp_erp2004/helpdata/en/ce/1d753cab14a909e10000000a11405a/frameset.htm">this</a>.
hope that helps,
anton -
How to call proxy service at enterprise service bus using flex
Hi
I have a proxy service located at wso2 enterprise service bus. How can i call that proxy service using flex?
Regards
MinalHi Minal, I think you can communicate with wso2 using mx:HTTPService or mx:WebService, you just need to find out which services you'll be consuming and then create the flex app to present and interact with those services.
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Oracle Enterprise Service Bus Software Download Link
Could you please provide me the link for downloading the software "Oracle Enterprise Service Bus" ?
Please send the details ASAP
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How to integrate GRC10.1 and Oracle ESB(Enterprise Service Bus)
Dear,
we are delivering an GRC Access Control project.
Now, we need to integrate GRC10.1 and Oracle ESB, how should we do? Who could help show me some guide, thanks a lot.deepak - why not link to the real documentation instead of that site that illegally publishes stuff?
Krasimir - I had a look at this a long way back, and didn't explore it much further because I reached a dead end in trying to figure out how it worked. It seems to me that the function is there and may be used internally within Oracle, but that it's not documented well enough for we mere mortals of the public to use it.
Have you tried opening an SR with Support? They won't know, but they will be able to raise it up and perhaps find someone who does know - be sure to reference this thread in your SR if you go that route.
John -
Dear All,
I was reading couple of article on what ESB is. But I was confused about the architecture of ESB. Does anybody have clear idea of what ESB is, what XI should provide to position it as a an ESB.
Please, do not point me to the sdn blogs/articles as I already them.
Thanks in Advance
SreekanthTo share my understanding of ESB:
Any successful implementation of SOA/ESA requires applications and infrastructure to support it's principles. This means all the applications either should have the ability to expose their functionality as services or they need an infrastructure to expose the service. SAP XI would definetly help to expose the application functionality as services(web). I dare to call as a 'service container' in ESB terminology.
Besides the service repository functionality, XI also provides value added services like intelligent routing, mapping, auditing functionality etc.
And also distributed deployment(ESB quality for scaling) of some of the XI components are possible. Say for example, adapter deployment options(central, decentral), PCK, proxy framework etc.
On the security aspect of these exposed service, my understanding is that XI do not have much (like ws-security, xml signature, encryption, etc).
Business Process Modelling(BPEL4WS conformance) can be used for the service choreography. I am not sure whether CAF and VC supports BPEL standards.
Can anybody throw some thougths on this. And also what are the webservice management tools(deploying, declarative security etc) available in NetWeaver?
Best Regards
Sreekanth -
SES v10.1.3.1 and Oracle Enterprise Service Bus
Hello
I want integrate Oracle ESB with SES 10.1.3.1. where I can find
some examples or ready to work connector between SES and ESB.
Please help
Tomasz HaasePlease refer to this thread.
Re: Connection Oracle ESB to Sensor Edge Server -
Enterprise Service Bus API / get time in milliseconds
first of all, the example below is the example from esb developers guide (http://download.oracle.com/docs/cd/E10291_01/doc.1013/e10295/esb_api.htm):
public static void main(String[] args)
try
ConsoleClient client = ConsoleClientFactory.getConsoleClient(HOST,
PORT, USERNAME, PWD);
String filter = "<instanceFilter timeZone=\"GMT+01:00\">"
+ "<startTime>8640000000</startTime>" + "</instanceFilter>";
HashMap<String, String> requestProps = new HashMap<String, String>();
URLEncoder.encode(filter, "UTF-8");
requestProps.put("filter",URLEncoder.encode(filter, "UTF-8"));
String data = client.perform("GetInstances", requestProps);
System.out.println("instances --> " + data);
} catch (ClientException e)
e.printStackTrace();
} catch (UnsupportedEncodingException e)
e.printStackTrace();
the result of the example looks like:
instances --> <instances generatedTime="2007-07-25T14:05:43+01:00" generatedTimeString="25.07.2007 14:05:43" instanceCount="76">
<instance flowId="473CA0903AA611DC8F22E151078A7E58" initiatedAt="2007-07-25T12:57:54+00:00" initiatedAtString="25.07.07 12:57:54" initiatedBy="^^SOAP"/>
<instance flowId="47011E303AA611DC8F22E151078A7E58" initiatedAt="2007-07-25T12:57:54+00:00" initiatedAtString="25.07.07 12:57:54" initiatedBy="^^SOAP"/>
in the xml schema the initiatedAt is defined as dateTime an this would support to get the time with milliseconds. is it possible to get the time with milliseconds?
additionally the original filter from the Developers Guide looks like this:
String filter = "<instanceFilter timeZone=\"GMT+05:30\">" +
" <startTime>86400000</startTime>" +
"</instanceFilter>";
if i try to run this, i get an error, when i delete the blanks in front of the <startTime> (as shown in the example at the beginning of my post) it works fine.Maybe the first question should be if ESB logs these times with the milliseconds filled in the first place... Although the type is dateTime, if ESB doesn't use millis, you'll get .000 anyway. Looking at the generated timestamps ESB doesn't fill the millis in the first place, otherwise they would (should) be visible.
Just a thought,
Bas -
Enterprise Service Bus Port Requirements
What are the minimum ports required to open to have ESB work with firewalls. The topology will be
users ------> |(firewall) ESB server ------> |(firewall) database server
HTTPS needs to go through a firewall to reach the ESB server. The ESB needs to go through a firewall to get to database servers. So far it looks like 443 through the first firewall and 1521 through the second. But what about JMS what port and where. Is there anything I'm missing. Can it managed via 443 or does 8888 need to be opened.hi there,
for an introduction have a look <a href="https://www.sdn.sap.comhttp://www.sdn.sap.comhttp://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/d86cf1a4-0701-0010-409d-c568b1d2519e">here</a>.
For more in-depth information search <a href="http://help.sap.com">SAP Help</a> for XI & BPEL, e.g. <a href="http://help.sap.com/saphelp_erp2004/helpdata/en/ce/1d753cab14a909e10000000a11405a/frameset.htm">this</a>.
hope that helps,
anton
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