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oracle connection manager

what is oracle connection manager?
and how can I use it;
is it like a stand alone binary ?
please help
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it-rex
Asked:
it-rex
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1 Solution
 
mrjoltcolaCommented:
It is an advanced listener configuration, and it is an additional binary.

You can configure it to punch through firewalls and/or load balance between back-end listeners and also funnel connections through one or several computers in a multi-layer firewll setup. Connection manager is easier to proxy than standard Oracle NET (SQLNET). It also can offload part of the network IO by multiplexing multiple connections over a single TCP connection, so it reduces startup/teardown of TCP connections.

It is essentially a proxy server. You use cmctl to control it, similar to lsnrctl for the standard listener.

This is a good document, read chapter 5 and see figure 5-10.

http://download.oracle.com/docs/cd/B19306_01/network.102/b14212/architecture.htm#i1047762
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it-rexAuthor Commented:
so do I need a whole separate box for  connection manager?
and where download it from?
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mrjoltcolaCommented:
It is included in the Oracle installer. You must choose "Customer" to get it.

It is a separate binary.

You don't need a separate box, but that is the typical setup. The reason is it can act as a front-end security gateway. Connection manager advantage over the TNS listener security includes use of wildcards in network rules, whereas tns listener must have an explicit invite or exclude list.
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mrjoltcolaCommented:
Sorry, not Customer, I meant "Custom" as in custom installation.
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mrjoltcolaCommented:
I just checked in OUI, Choose Advanced, then choose Custom, then it is under "Oracle Net Services"
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