Guys please keep this level of conversation on architecture@ .. moving.

Sanjiva.

On Wed, May 2, 2012 at 8:30 AM, Sanjiva Weerawarana <[email protected]>wrote:

> This is awesome Azeez - much better than adding routes to the LB node!
>
> I've been thinking about the network address problem .. what set of IPs to
> use for the LXCs. Using 10.* or 192.168.* requires manual intervention
> because anything we pick may be an already used network the organization ..
> and those will then become inaccessible to any app running inside an LXC.
>
> I looked at 169.254 and it looks like that's an option. See [1][2][3] ..
> its called a "link local" address and it seems like the right thing for us
> to use. So we'd give say 169.254.99.* for the internal boxes and have
> iptables forward the ports to those. Looks like we can simply bring up the
> LXC, have it pick up whatever IP in the 169.254 range and then add a
> default route to the host IP and register itself with the host (host IP
> would have to be a boot param).
>
> [1] http://en.wikipedia.org/wiki/Private_network
> [2] http://tools.ietf.org/html/rfc5735
> [3] http://tools.ietf.org/html/rfc3927
>
> Sanjiva.
>
> On Tue, May 1, 2012 at 11:05 PM, Afkham Azeez <[email protected]> wrote:
>
>> I have got this working for the well-known membership scheme. Let's test
>> it with the LXC setup tomorrow. The route addition to the LB machine is not
>> a scalable approach since we will need to do this in all worker node
>> machines as well since the members in a cluster should be able to
>> communicate with each other.
>>
>>
>> On Tue, May 1, 2012 at 9:25 PM, Afkham Azeez <[email protected]> wrote:
>>
>>> I just went through the Tribes code and figured out that the local
>>> member host and bind address can be configured to be different values. It
>>> is the localMemberHost that is advertised by Tribes while
>>> the localMemberBindAddress is the IP address used for binding the server
>>> socket. I will make the necessary changes to Axis2 and inform this list. My
>>> plan is to add a new optional parameter called localMemberBindAddress to
>>> the axis2.xml's clustering section, in addition to the already existing
>>> localMemberHost. If localMemberBindAddress is not specified, we assume that
>>> it is same as the localMemberHost.
>>>
>>> e.g.
>>>          <parameter name="localMemberHost">10.100.3.67</parameter>
>>>
>>>         <parameter name="*localMemberBindAddress*">192.168.1.121</parameter>
>>>
>>>
>>> Then we have to setup iptables on the physical machine to do port
>>> forwarding. In this model, we have to make sure that all Carbon processes
>>> started within LXCs have unique ports. Otherwise the port forwarding will
>>> not work.
>>>
>>> Thoughts welcome.
>>>
>>> --
>>> *Afkham Azeez*
>>> Director of Architecture; WSO2, Inc.; http://wso2.com
>>> Member; Apache Software Foundation; http://www.apache.org/
>>> * <http://www.apache.org/>**
>>> email: **[email protected]* <[email protected]>* cell: +94 77 3320919
>>> blog: **http://blog.afkham.org* <http://blog.afkham.org>*
>>> twitter: **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez>
>>> *
>>> linked-in: **http://lk.linkedin.com/in/afkhamazeez*
>>> *
>>> *
>>> *Lean . Enterprise . Middleware*
>>>
>>>
>>
>>
>> --
>> *Afkham Azeez*
>> Director of Architecture; WSO2, Inc.; http://wso2.com
>> Member; Apache Software Foundation; http://www.apache.org/
>> * <http://www.apache.org/>**
>> email: **[email protected]* <[email protected]>* cell: +94 77 3320919
>> blog: **http://blog.afkham.org* <http://blog.afkham.org>*
>> twitter: **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez>
>> *
>> linked-in: **http://lk.linkedin.com/in/afkhamazeez*
>> *
>> *
>> *Lean . Enterprise . Middleware*
>>
>>
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>>
>
>
> --
> Sanjiva Weerawarana, Ph.D.
> Founder, Chairman & CEO; WSO2, Inc.;  http://wso2.com/
> email: [email protected]; phone: +94 11 763 9614; cell: +94 77 787 6880 | +1
> 650 265 8311
> blog: http://sanjiva.weerawarana.org/
>
>
> Lean . Enterprise . Middleware
>



-- 
Sanjiva Weerawarana, Ph.D.
Founder, Chairman & CEO; WSO2, Inc.;  http://wso2.com/
email: [email protected]; phone: +94 11 763 9614; cell: +94 77 787 6880 | +1
650 265 8311
blog: http://sanjiva.weerawarana.org/

Lean . Enterprise . Middleware
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