[ace-bugs] [tao-users] [ace-users] Query about TAO supporting access across firewalls

[ace-bugs] [tao-users] [ace-users] Query about TAO supporting access across firewalls

Post by Douglas C. » Thu, 22 Jul 2004 23:52:30


i Werner,


The OCI guys can give you more info, but I think the plan is to
release this pending approval from the sponsor. Phil/Malcolm, can you
provide any more details on these plans?

take care,

Doug

















































































































































































































































--
Dr. Douglas C. Schmidt, Professor TEL: (615) 343-8197
Electrical Engineering and Computer Science FAX: (615) 343-7440
Vanderbilt University WEB: www.cs.wustl.edu/~schmidt/
Nashville, TN 37203 NET: XXXX@XXXXX.COM

 
 
 

1. [tao-users] [ace-users] Query about TAO supporting access across firewalls

2. [ace-bugs] [ace-users] Query about TAO supporting access across firewalls

> ACE VERSION: 5.4

Thanks for using the PRF!


TAO supports something called BiDirGIOP policy which should probably
help you out with this particular case. The BiDirectional policy
was and is part of CORBA spec. The latest GIOP 1.3 has lots of improvements
for sophisticated cases.

For your use case, you could start a simple CORBA server on your
client 111.111.111.111 which can receive a request from your server
behind the firewall with a BiDirGIOP policy set. The client on
111.111.111.111 will then use the connection opened up by
123.123.123.123 to send any request. IOW, the client ORB reuses
the connection opened up by 123.123.123.123 as part of the first
request. Please see $TAO_ROOT/tests/BiDirectional and
$TAO_ROOT/tests/BiDirectional_NestedUpcall for some simple examples.

From my above decsription you will realize that the client on
111.111.111.111 should be available for connection from anywhere.
If not the above policy will fail.

HTH

Thanks
Bala

the client on

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