RE: IGMP host behaviour on reception of group and source specific query

Hi Ravikumar,

Sorry for the late answer. Please find my comments inline

>       I have got some doubts on IGMP host behaviour on reception of
group > and source specific query. Somebody please clarify
> 
> Consider the following secnarios, where the host state is given for
group > G1
> 
> 1) Exclude ( S1, S2) and received a query Q(G1, S1)
> 2) Exclude ( S1, S2) and received a query Q(G1, S3)
> 3) Include (S1, S2) and received a query Q(G1, S1)
> 4) Include (S1, S2) and received a query Q(G1, S3)
> 
> Is the given result, the correct behaviour?
> 
> 1) Send nothing

Right

> 2) Send IS_INCL (S3)

Right

> 3) Send IS_INCL (S1)

Right

> 4) Send nothing

Right. All these are straightforward from the table at the end of
section 5.2.  
 
> Is there any need to send IS_EXCL(A) report, as a response to Group
and source specific query?

No, there is no case when an IS_EX report is sent for a group and source
specific query.

Cheers,
Rolland