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From "Afkham Azeez" <afk...@gmail.com>
Subject Re: Axis2 cluster not working on Amazon EC2
Date Tue, 29 Apr 2008 13:24:21 GMT
Not too soon. We will try to get this into the next major Axis2 release,
which might not bee too soon. We are still doing some R&D in this area. I'll
be posting the findings and related stuff on my blog,
http://azeez78.blogspot.com

Azeez

On Mon, Apr 28, 2008 at 8:47 PM, Jeff Tomas <jeffrey.tomas@gmail.com> wrote:

> Azeez:
> When will this be available in Axis2? Any time soon?
>
> Jeff
>
>
> On Wed, Apr 23, 2008 at 6:50 PM, Afkham Azeez <afkham@gmail.com> wrote:
>
>> Hi Jeff,
>> Axis2 clustering does not work on EC2 at the moment. This is because the
>> Group Membership Protocol (GMP) uses multicast based member discovery.
>> However, when you start two nodes on EC2, generally, the IP is randomly
>> assigned by Amazon from a list of available IPs, unless you use elastic IPs.
>> Even if elastic IPs are used, you cannot request for a specific IP address,
>> hence it is difficult to get the two IPs such that they belong to the same
>> multicast domain. Anyway, Amazon disallows multicasting at the moment.
>>
>> We are investigating whether we can use some other mechanism for group
>> membership management.
>>
>> HTH
>> Azeez
>>
>>
>> On Sun, Apr 20, 2008 at 2:52 PM, Jeff Tomas <jeffrey.tomas@gmail.com>
>> wrote:
>>
>>> We are planning to use Axis2 for a deployment on Amazon EC2. I have
>>> created an AMI containing an Axis2 instance which is configured for
>>> clustering. I have specified a group name. I started two instances of this
>>> AMI, and on this AMIs I started an Axis2 instance each. However, I found
>>> that these Axis2 nodes cannot communicate with each other. I have enabled
>>> the cluster section in my axis2.xml file. Is there any other configuration
>>> that needs to be set to enable clustering? Any help is highly appreciated.
>>>
>>> Thanks in advance
>>> Jeff
>>>
>>
>>
>>
>> --
>> Thanks
>> Afkham Azeez
>>
>> http://azeez78.blogspot.com
>> http://www.wso2.org
>> GPG Fingerprint: 643F C2AF EB78 F886 40C9 B2A2 4AE2 C887 665E 0760
>
>
>


-- 
Thanks
Afkham Azeez

http://azeez78.blogspot.com
http://www.wso2.org
GPG Fingerprint: 643F C2AF EB78 F886 40C9 B2A2 4AE2 C887 665E 0760

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