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IBM WebSphere Message Broker vs WSO2 Carbon [EOL] comparison

IBM and WSO2 are both solutions in the Enterprise Service Bus (ESB) category. Additionally, 84% of IBM users are willing to recommend the solution, compared to 100% of WSO2 users who would recommend it.
IBM WebSphere Message Broker
Read 13 IBM WebSphere Message Broker reviews
  • 2,055 Views
  • 1,254 Comparison Views
84% willing to recommend
WSO2 Carbon [EOL]
Read 1 WSO2 Carbon [EOL] review
    100% willing to recommend
     

    Comparison Buyer's Guide

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    Executive Summary
    We performed a comparison between IBM WebSphere Message Broker and WSO2 Carbon [EOL] based on real PeerSpot user reviews.

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    Enterprise Service Bus (ESB)
    June 2026
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    Review summaries and opinions

    We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
     

    Categories and Ranking

    IBM WebSphere Message Broker
    Average Rating
    7.8
    Reviews Sentiment
    6.6
    Number of Reviews
    13
    Ranking in other categories
    Enterprise Service Bus (ESB) (9th), Application Infrastructure (17th)
    WSO2 Carbon [EOL]
    Average Rating
    9.0
    Number of Reviews
    1
    Ranking in other categories
    No ranking in other categories
     

    Featured Reviews

    MANUEL VALDIVIA - PeerSpot reviewer
    MANUEL VALDIVIA
    Senior Manager at a financial services firm with 1,001-5,000 employees
    Routes messages efficiently across our services, but the features for scalability need improvement
    One of the key benefits has been its ability to expose services and securely integrate applications within our architecture. It's been integral in maintaining a stable infrastructure despite its limitations with dynamic service creation and flexibility compared to newer technologies like Kubernetes. The main challenge has been scalability during peak usage times.
    Read full review
    it_user420135 - PeerSpot reviewer
    it_user420135
    Senior System Architect & Consultant at a tech services company with 51-200 employees
    It allows you to deal with any mediation situation based on messages using concepts like proxy services and APIs.
    The Data Services Server is a beautiful product which allows you to "expose" your data as REST and/or SOAP services secured or not using any of the databases you might to keep your business data. Using with the Identity server it gives you the possibility to manage all the identity subjects in your Organization, it connects out of the box to any corporate user store you have through LDAP or JDBC, it allows you to manage different mechanisms to implement authentication / authorization using Web SSO, SAML2, OAUTH2, federated authentication, among others. Also, it allows you to control all this through its administrative interface which could be exposed out of the box as SOAP services and also you can use it to implement role based access controls using XACML policies and business claims.
    Read full review

    Quotes from Members

    We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
     

    Pros

    "The documentation, performance, stability and scalability of the tool are valuable."
    "Message Broker is valuable because most of the applications are using MQ. Even in my current engagement, the few applications which I audit to onboard the bank are using MQ."
    "This is a very reliable and stable solution that is used for a very large number of transactions."
    "It is a scalable solution...The setup is easy."
    "We have a large number of use cases for this product, and it is built into the underlying infrastructure for most of our applications."
    "We only use the basic features, but the most valuable one for us is the Publish-subscribe pattern."
    "The most valuable features are the product's straightforward development and deployment, and its nice graphical user interface."
    "Straightforward development and deployment."
    More IBM WebSphere Message Broker pros
    "The Enterprise Service Bus is really fast and flexible, it allows you to deal with any mediation situation based on messages using concepts like proxy services, APIs, and it has lots of connectors that facilitates its interaction with other products."
     

    Cons

    "The solution can add container engines such as docker."
    "I know that Message Broker was a very tightly copied product with another IBM product, that is, IBM MQ. I would like to have a little bit more decoupling from the IBM MQ because it should not be a prerequisite for IBM WebSphere Message Broker usage."
    "There is some lag in the GUI. There have been some performance issues and maybe it's because of the application data."
    "The product's features are not being upgraded or enhanced by the vendor"
    "I find the installation configuration is quite difficult compared to other solutions."
    "Stability and pricing are areas with shortcomings that need improvement."
    "As our business requirements evolve, we require more dynamic capabilities to adapt and scale our services accordingly."
    "My biggest complaint about this product is the price."
    More IBM WebSphere Message Broker cons
    "In a general sense, the documentation of these products should be improved."
     

    Pricing and Cost Advice

    "IBM products are generally more stable and have more features, but also come at a greater cost."
    "This product is more expensive than competing products."
    "The price is very high and it's the main reason that we are searching for alternatives."
    "The solution is expensive."
    "The licensing cost of IBM WebSphere Message Broker needs to be reduced"
    "The solution is expensive."
    "I feel with IBM, when you want certain functions or features, you have to continuously purchase add-ons. There are always additional fees."
    "IBM software can be costly, but having a contract has helped manage and potentially lower costs over time."
    Information not available
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    Top Industries

    By visitors reading reviews
    Financial Services Firm
    21%
    Construction Company
    13%
    Manufacturing Company
    10%
    Computer Software Company
    7%
    No data available
     

    Company Size

    By reviewers
    Large Enterprise
    Midsize Enterprise
    Small Business
    By reviewers
    Company SizeCount
    Small Business2
    Large Enterprise10
    No data available
     

    Questions from the Community

    What is your experience regarding pricing and costs for IBM WebSphere Message Broker?
    IBM software can be costly, but having a contract has helped manage and potentially lower costs over time.
    See all answers
    What needs improvement with IBM WebSphere Message Broker?
    There could be greater flexibility and agility in service creation for the product. As our business requirements evolve, we require more dynamic capabilities to adapt and scale our services accordi...
    See all answers
    What is your primary use case for IBM WebSphere Message Broker?
    We use the product for exposing services at the application level, integrating with various architectures like WebSphere, and handling static service creation.
    See all answers
    Ask a question
    Earn 20 points
     

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    Oracle SOA Suite vs WSO2 Carbon [EOL] Logo
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    Compared 58% of the time
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    Product Reports

    Buyer's Guide
    IBM WebSphere Message Broker
    June 2026
    IBM WebSphere Message Broker reportDownload IBM WebSphere Message Broker product report
    Buyer's Guide
    Enterprise Service Bus (ESB)
    June 2026
    WSO2 Carbon [EOL] reportDownload WSO2 Carbon [EOL] product report
     

    Also Known As

    WebSphere Message Broker
    Carbon
     

    Overview

    IBM WebSphere Message Broker provides reliable data integration and effective management of diverse message formats. It excels in stability and scalability, supporting complex integration needs with ease, making it suitable for industries like banking and healthcare.

    IBM WebSphere Message Broker is a robust tool for data integration, favored for its performance with large data volumes and its ability to handle protocol transformations. It features a graphical interface that simplifies development and deployment. Users find it effective for communication with legacy systems through diverse adaptors, while its support for publish-subscribe patterns and execution groups enhances scalability. However, some challenges include the need for improved flexibility in service creation, managing complex use cases, and integrating with cloud solutions. The high cost and need for better technical support are additional concerns.

    What are the most important features of IBM WebSphere Message Broker?
    • Stability and Reliability: Ensures consistent data integration capabilities.
    • Diverse Adaptors: Supports communication with legacy systems.
    • Scalability: Facilitates scaling with execution groups and nodes.
    • Graphical Interface: Offers straightforward development and deployment.
    • Message Queuing and Publish-Subscribe: Adds value for diverse communication needs.
    What benefits or ROI should be reviewed?
    • Enhanced Integration: Facilitates complex data routing and transformation.
    • Performance with Large Data: Efficient in handling high-volume data processing.
    • Application Connectivity: Bridges communication between diverse systems.
    • Protocol Management: Handles protocol transformations effectively.

    IBM WebSphere Message Broker is widely implemented in banking and healthcare, playing a crucial role in connecting systems and developing integration flows. It helps organizations meet core business needs, often used for integrating core banking systems and handling tasks like pick and drop shipments. This tool helps maintain up-to-date standards in these industries.

    IBM

    WSO2 Carbon redefines middleware by providing an integrated and componentized middleware platform that adapts to the specific needs of any enterprise IT project - on premise or in the cloud.

    WSO2
     

    Sample Customers

    WestJet, Blue Cross and Blue Shield of North Carolina, Sharp Corporation, Michelin Tire
    Bdigital, M-creations, Yenlo, Codenvy, Ohio Automobile Club
    Buyer's Guide
    Enterprise Service Bus (ESB)
    June 2026
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