Subject: [Megaco] Rollback Support in Topology Descriptor

From: [email-masked]
Date: Mon, 3 Mar 2003 17:15:06 +0530

Hi

I have a query regarding rollback of topology if one of the commands in the
action fails...

Consider the following e.g.
T1, T2 and T3 are already present in the context:

MEGACO/1 [111.111.111.4]:222
Transaction = 23{
     Context = 1 {
     Topology { T1. T2, assoc}
     Modify = T3 {Media...., Event..., Signal},
     Modify = T1 {Media...., Event..., Signal},
     Modify = T2 {Media...., Event..., Signal}
     }
}

If the commands in the action are executed in the following order
1.  Modify = T3
2.  Topology (T1, T2, assoc)
3.   Modify T1
4.   Modify T2

then if Modify T1 or Modify T2 fails, should Topology should be rollbacked to
previous value?

thanks and regards
Anjana Arora
Hughes Software Systems

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