Hi William, Can you please provide your complete consolidated requirement so that we can suggest you best suitable configuration options, such as TCP/TIPC , IPV4/IPV6 ,Broadcast/Multicast .
On top of suggested option if you have any concerns , we can suggest/provide you solution. -AVM On 8/18/2014 11:01 PM, Nagendra Kumar wrote: > Hi William, > Please find responses inlined below. > > Thanks > -Nagu > > ----- Original Message ----- > From: [email protected] > To: [email protected], [email protected], > [email protected] > Cc: [email protected], [email protected], > [email protected], [email protected] > Sent: Monday, August 18, 2014 6:41:28 PM GMT +05:30 Chennai, Kolkata, Mumbai, > New Delhi > Subject: RE: [users] Question concerning opensaf broadcasts > > Hi Nagu, > Just a couple of follow up questions please. > 1) Can you use the multicast feature with TIPC? > [Nagu]: Can you please elaborate the question. > We use multicast feature for cluster discovery in tcp only. > > 2) Can you point me to the documentation that explains how to configure dtm > to use the multicast feature? > [Nagu]: Unfortunately, there is no documentation. > You can simply configure multicast address to DTM_MCAST_ADDR in > /etc/opensafd/dtmd.conf. > > > Thanks > > William Elliott | Sr. Analyst, Forward R&D | Office: +1 (800) 519-8360 Ext. > 3859 | Mobile: +1 (407) 619-0337 |--www.NetCracker.com-- > Proven Partner to Communications Service Providers > > -----Original Message----- > From: Nagendra Kumar [mailto:[email protected]] > Sent: Monday, August 18, 2014 8:52 AM > To: William R Elliott; Mathivanan Naickan Palanivelu; > [email protected] > Cc: David S Thompson; Rick Sturm; Steven Graham; Lisa Ann Lentz-Liddell > Subject: RE: [users] Question concerning opensaf broadcasts > > Hi William, > >>> The user has a public network of hundreds of machines and 10 of them >>> will be used to run a cluster. They are concerned about a broadcast >>> going to all of those hundreds of machines to discover the 10 nodes >>> that >> belong to the cluster. >>> So they would prefer that opensaf talk to just the 10 nodes in that >>> cluster without broadcasting to all machines in the network. > Alternatively, using the existing multicast feature of DTM, you can restrict > discovery messages by adding those 10 nodes to a reserved multicast > group(even though they are in same subnet), so that they will get discovered > using multicast messaging. > > > Thanks > -Nagu > >> -----Original Message----- >> From: Nagendra Kumar >> Sent: 17 August 2014 23:45 >> To: William R Elliott; Mathivanan Naickan Palanivelu; Opensaf- >> [email protected] >> Cc: David S Thompson; Rick Sturm; Steven Graham; Lisa Ann Lentz-Liddell >> Subject: Re: [users] Question concerning opensaf broadcasts >> >> Hi William, >> As of now, the broadcast will be received by each >> machine in the >> subnet. There could be ways(as of now, it is not there) to configure lists >> of IP >> addresses (in case of TIPC) and allow opensaf talk to configured IPs. Cluster >> expansion/shrinking would further require the ways to add/del the nodes IPs >> at >> run time. >> >> Thanks >> -Nagu >> >>> -----Original Message----- >>> From: William R Elliott [mailto:[email protected]] >>> Sent: 14 August 2014 23:09 >>> To: Mathivanan Naickan Palanivelu; [email protected] >>> Cc: Lisa Ann Lentz-Liddell; Rick Sturm; Steven Graham; David S >>> Thompson >>> Subject: Re: [users] Question concerning opensaf broadcasts >>> >>> The user has a public network of hundreds of machines and 10 of them >>> will be used to run a cluster. They are concerned about a broadcast >>> going to all of those hundreds of machines to discover the 10 nodes that >> belong to the cluster. >>> So they would prefer that opensaf talk to just the 10 nodes in that >>> cluster with out broadcasting to all machines in the network. >>> >>> >>> William Elliott | Sr. Analyst, Forward R&D | Office: +1 (800) 519-8360 >>> Ext. 3859 >>> | Mobile: +1 (407) 619-0337 |--www.NetCracker.com-- Proven Partner to >>> Communications Service Providers >>> >>> -----Original Message----- >>> From: Mathivanan Naickan Palanivelu [mailto:[email protected]] >>> Sent: Thursday, August 14, 2014 1:21 PM >>> To: William R Elliott; [email protected] >>> Cc: David S Thompson; Rick Sturm; Steven Graham; Lisa Ann >>> Lentz-Liddell >>> Subject: RE: [users] Question concerning opensaf broadcasts >>> >>> Hi, >>> A couple of questions inline: >>> >>>> -----Original Message----- >>>> From: William R Elliott [mailto:[email protected]] >>>> Sent: Thursday, August 14, 2014 9:34 PM >>>> To: [email protected] >>>> Cc: David S Thompson; Rick Sturm; Steven Graham; Lisa Ann >>>> Lentz-Liddell >>>> Subject: [users] Question concerning opensaf broadcasts >>>> >>>> Hello, >>>> We are using opensaf 4.4 and we have a user who's concerned about the >>>> broadcasting being done by opensaf. Since the OpenSAF configuration >>> >>> Could you elaborate more on the nature of concern and why: >>> 1) Is the concern about number of broadcasts? >>> 2)Is the apprehensive anxiety about any sort of broadcast during >>> cluster formation, OR Broadcast in an idle cluster OR broadcast during >>> a configuration change, OR? >>> >>> Thanks, >>> Mathi. >>> >>>> contains the list of machines in the cluster is there any way to have >>>> opensaf talk directly to these machines and avoid using broadcasts >>>> for discovery upon start up regardless of which transport mechanismed used >> i.e. >>> TCP or TIPC? >>>> >>>> thanks >>>> >>>> >>>> William Elliott | Sr. Analyst, Forward R&D | Office: +1 (800) >>>> 519-8360 Ext. 3859 | >>>> Mobile: +1 (407) 619-0337 |--www.NetCracker.com-- Proven Partner to >>>> Communications Service Providers >>>> >>>> >>>> >>>> >>>> ________________________________ >>>> The information transmitted herein is intended only for the person or >>>> entity to which it is addressed and may contain confidential, >>>> proprietary and/or privileged material. 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