Hi Tapan,

In 
northbound/vnfapi/provider/src/main/java/org/openecomp/sdnc/vnfapi/vnfapiProvider.java,
 I could see many preload API functions implemented. For example , 
preloadNetworkTopologyOperation . Looking at the DG in 
vnfapi/src/main/xml/VNF-API_preload-network-topology-operation.xml , I think  
this is meant to reserve resources from network . So this may lead to a call to 
AAI for resource reservation. Can you confirm this is the flow you meant below 
as answer to #1 which can be alternately used instead of what is done currently 
by MSO workflow (for resource allocation/reservation in A&AI)

I think #3 below is for Service Function Chain.  While ODL supports SFC through 
the SFC project, not sure if this is completely leveraged in ONAP. Also in ODL 
SFC most of the use cases involves working with VIM (say openstack) to map the 
networking-sfc port pairs in to ODL.  In the DG supported node types, maybe we 
need to leverage multiple “configure“ DG node to set configuration in multiple 
hops (vnf-instance operation or network-topology-operation), or use native SFC 
project in ODL. May be some experts in DG can clarify this.

Regards

Manoj

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From: [email protected] 
[mailto:[email protected]] On Behalf Of Tapan Majhi
Sent: Tuesday, July 11, 2017 10:53 AM
To: Cipher Cipher; [email protected]
Subject: Re: [onap-discuss] [SDNC][APP-C] Importance of SDNC in vFW Demo

Cipher,

I believe SDNC is not getting used to its full capacity in the demo. The 
workflow getting used in MSO is having one of the step as preloading the data.
Because of which SDNC is getting used to get all the ips for the heat file.In 
the demo . In complex scenarios SDNC can play a vital role to create resources 
,updating AAI and many more.
In the demo not such action taking place. MSO is doing everything.
Someone from SDNC can explain it better.

I didn’t use the ./demo.sh appc directly but this is needed at the time of 
closed loop . When APPC controls the traffic with the help of vnf action 
“ModifyConfig”.
If the mounting is not done ModifyConfig will not be successful. If you have 
different VNF then in that also we need honeycomb to make modifyConfig 
successful.

Not sure about your third query. What is SFC ?

Regards,
Tapan M



From: 
[email protected]<mailto:[email protected]> 
[mailto:[email protected]] On Behalf Of Cipher Cipher
Sent: Tuesday, July 11, 2017 12:08 AM
To: [email protected]<mailto:[email protected]>
Subject: [onap-discuss] [SDNC][APP-C] Importance of SDNC in vFW Demo

Hey,

I am trying vFirewall demo using ONAP. Along the way I am trying to understand 
the each component I encountered. I couldn't understand the following two 
points.

1) Preloading of data: Before deploying Vf-module, we have to preload the data 
to SDNC. But in one of the comments, I came to know this step to update AAI 
indirectly through SDNC. If that's true, then what is the role of SDNC here. 
How can I make use of SDNC in complex usecases.

2) APP-C Mounting: Why we need to ./demo.sh appc to trigger the action in 
packet generator. If I am using a different VNF, how can I use ./demo.sh ?

3)In the release-1.0.0 can we have support of SFC in SDNC?


Cheers
Shankar
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