Hi Chris
Let me attempt to answer some of your questions.
regards
asankha
References
[1] http://wiki.apache.org/incubator/Synapse/InProgress
1) since synapse would be a really company central part of software in
the future what is about clustering / health ckeck. how to monitor if
synapse is working correctly? how to set it up for HAV
what could be a scenario for an active/ active clustering approach ?
would there be any disadvantages? (does reliable messaging work then
(sequences))
Synapse is implemented over the Axis2 engine and uses Apache Sandesha
for WS-RM, Rampart for WS-Sec etc. Hence the answer to the above
question will be related to those projects as well. Yes, we will allow
Synapse to run in a clustered environment - but its not one of the main
priorities right now at this stage, although its of very high priority.
2) is there a tool to check the config if the syntax would be bootable ?
Not right now, but soon you will be able to validate a configuration
against a schema
can config be reloaded/refresehd during runtime?
Yes, its designed to do this which is a key requirement, and right now
we are at the stage of integrating with a registry to achieve this.
Check [1] under registry thoughts
3) when exactly would "you" use synapse and when NOT to use it?
my point of view would be:
USE IT:
when ws of the same type are spread over many hosts (dislocation)
when security layer should be added to an existing ws (e.g. b2b)
when throtteling / QOS should be added (e.g. b2b)
when A2A integration is done (so the ws call exits a system that can
be seen as one unit (SAP->SIEBEL)
when protocol layer is different (e.g. JMS->SOAP)
mapping must be done (e.g. to maintain two different interfaces map
the old one to the new one)
NOT USE IT:
when ws are called internally (CRM->CRM) in most cases the ws are
managed very well way inside an enterpris ready sofware
when massive data exchange is done ? performance?
have i left something out or misunderstood?
4) how does UDDI fit into the scenario of a ws mediation? how does it
work together / integrate?
We are working on integration with a registry right now - but not UDDI.
Refer to [1] under registry thoughts
5) are there similar products / projects that have similar feature
sets like synapse ? any feature matrix known? any experiences?
6) what would be the roadmap for the near future? is the synapse as it
is today ready for production issues?
Synapse is hoping to graduate out of incubation at Apache, and we are
planning to make the 1.0 release soon.
7) what are perofrmance impacts when almost always using the mediation
gateway?
8) is routing over more than one hop easilly done and or does it make
sense?
e..g to have a synapse server in DMZ this applies security and
throttling and routes to an internal synapse server -> this synapse
server routes to the original service provider
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