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Regarding SAP ESB

Hello friends,

What is ESB? and how it is used in SAP? can anybody send me the docs related to SAP ESB.

replied

PI 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 provider’s service access for security

49) External provider’s service management

50) External provider’s transaction container

a. External provider’s business orchestration (BPEL Engine) and business work flow service container

51) Transaction support on message level

52) IDE Integration

53) Open standards

1. ESB/Integration

http://www.softwareag.com/Nordic/products/lm/leg_integration/sap/default.asp

2. SAP XI versus Sonic's Enterprise Service Bus

3.iWay SOA, EDA, and ESB Middleware Solutions

http://www.iwaysoftware.com/products/soa_eda_esb.html

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