AMQP compatibility has been edited by Gordon Sim (Jan 15, 2009).

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Content:

Qpid provides the most complete and compatible implementation of AMQP. And is the most aggressive in implementing the latest version of the specification. Qpid can be downloaded here

There are two brokers:

C++ with support for AMQP 0-10
Java with support for AMQP 0-8 and 0-9 (0-10 planned)

There are client libraries for C++, Java (JMS), .Net (written in C#), python and ruby.

  • All clients support 0-10 and interoperate with the C++ broker.
  • The JMS client supports 0-8, 0-9 and 0-10 and interoperates with both brokers.
  • The python and ruby clients will also support all versions, but the API is dynamically driven by the specification used and so differs between versions. To work with the Java broker you must use 0-8 or 0-9, to work with the C++ broker you must use 0-10.
  • There are two separate C# clients, one for 0-8 that interoperates with the Java broker, one for 0-10 that inteoperates with the C++ broker.

QMF Management is supported in Ruby, Python, C++, and via QMan for Java JMX & WS-DM.

AMQP Compatibility of Qpid releases:

Qpid implements the AMQP Specification, and as the specification has progressed Qpid is keeping up with the updates. This means that different Qpid versions support different versions of AMQP. Here is a simple guide on what use.

Here is a matrix that describes the different versions supported by each release
Y = supported
N = unsupported
IP = in progress
P = planned

Component Spec      
    M2.1 M3 trunk
java client 0-10   Y Y
  0-9 Y Y Y
  0-8 Y Y Y
java broker 0-10     P
  0-9 Y Y Y
  0-8 Y Y Y
c++ client/broker 0-10   Y Y
  0-9 Y    
python client 0-10   Y Y
  0-9 Y Y Y
  0-8 Y Y Y
ruby client 0-10     Y
  0-8 Y Y Y
C# client 0-10     Y
  0-8 Y Y  

Interop table by AMQP specification version

Above table represented in another format.

  release 0-8 0-9 0-10
java client M3 Y Y Y
java client M2.1 Y Y N
java broker M3 Y Y N
java broker trunk Y Y P
java broker M2.1 Y Y N
c++ client/broker M3 N N Y
c++ client/broker M2.1 N Y N
python client M3 Y Y Y
python client M2.1 Y Y N
ruby client M3 Y Y N
ruby client trunk Y Y P
C# client M3 Y N N
C# client trunk Y N Y

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