RE: Doubt regarding Dynamic registration and DE model
"Asveren, Tolga" <[email protected]>
| Newsgroups | gmane.ietf.sigtran |
|---|---|
| Message-ID | <[email protected]> |
Just one small note below. Thanks, Tolga > -----Original Message----- > From: Brian F. G. Bidulock [mailto:[email protected]] > Sent: Thursday, June 28, 2007 3:34 AM > To: Mohammad Arif > Cc: [email protected] > Subject: Re: [Sigtran] Doubt regarding Dynamic registration and DE model > > Mohammad, > > Mohammad Arif wrote: (Thu, 28 Jun 2007 12:01:26) > > > > Consider two AS communicating where the RK1=(OPC=2-200, DPC=2-100) is > > different from RK2=(OPC=2-100, DPC=2-200). Each RK defines its own AS, > > in this case AS1, which corresponds to RK1, sits in 2-200 signalling > > point and AS2, which corresponds to RK2, is in 2-100, and each AS has > > its own RK. > > Well no. In your example RK1 defines AS2 and RK2 defines AS1. That is > each RK defines the remote AS. RK is an SG concept. It is used at the > SG to route message to the (remote) AS. > > > Then Routing Context RC1 corresponding to RK1 is assigned in AS2 and > > Routing Context RC2 corresponding to RK2 is assigned in AS1. > > No, RC1 corresponding to RK1 is assigned in IPSP1 (2-200) to represent > AS2 and RC2 corresponding to RK2 is assigned in IPSP2 (2-100). > > > Then will the messages going from AS1 to AS2 use RC2 and messages > > going from AS2 to AS1 use RC1, or it is the other way round. ? > > The message going from IPSP1 to IPSP2 for AS2 is routed using RK1 and > thus is assigned RC1. The message going from IPSP2 to IPSP1 for AS1 is > routed using RK2 and this is assigned RC2. > > So, > > IPSP1(2-200) has AS1 defined by RK2 (OPC=2-100,DPC=2-200). > IPSP2(2-100) has AS2 defined by RK1 (OPC=2-200,DPC=2-100). > > RK2 is used by IPSP2 to route messages to AS1 using RC2 (assigned at > IPSP2). > RK1 is used by IPSP1 to route messages to AS2 using RC1 (assigned at > IPSP1). [TOLGA]This is for DE model I assume. For SE model, RCs used by both ends has to be the same. > > Just remember that an RK defines the remote AS (located at the DPC), is > used to send messages, and the RC value is assigned by the side sending > messages. > > --brian > > -- > Brian F. G. Bidulock > [email protected] > http://www.openss7.org/ > > _______________________________________________ > Sigtran mailing list > [email protected] > https://www1.ietf.org/mailman/listinfo/sigtran