Re: [ofa-general] Re: [RFC] OpenSM and IPv6 Scalability Proposal

2009-05-11 Thread Jason Gunthorpe
On Sat, May 09, 2009 at 01:32:06PM +0300, Eli Dorfman wrote: On Fri, May 8, 2009 at 4:57 PM, Hal Rosenstock hal.rosenst...@gmail.com wrote: On Wed, May 6, 2009 at 6:24 AM, Slava Strebkov sla...@voltaire.com wrote: In addition to the original proposal we suggest allocating special MLID

Re: [ofa-general] Re: [RFC] OpenSM and IPv6 Scalability Proposal

2009-05-09 Thread Eli Dorfman
On Fri, May 8, 2009 at 4:57 PM, Hal Rosenstock hal.rosenst...@gmail.com wrote: On Wed, May 6, 2009 at 6:24 AM, Slava Strebkov sla...@voltaire.com wrote: In addition to the original proposal we suggest allocating special MLID for the following MGIDs:  1. FF12401b - All

Re: [ofa-general] Re: [RFC] OpenSM and IPv6 Scalability Proposal

2009-05-09 Thread Hal Rosenstock
On Sat, May 9, 2009 at 6:32 AM, Eli Dorfman dorfman@gmail.com wrote: On Fri, May 8, 2009 at 4:57 PM, Hal Rosenstock hal.rosenst...@gmail.com wrote: On Wed, May 6, 2009 at 6:24 AM, Slava Strebkov sla...@voltaire.com wrote: In addition to the original proposal we suggest allocating special

Re: [ofa-general] Re: [RFC] OpenSM and IPv6 Scalability Proposal

2009-05-09 Thread Eli Dorfman
On Sat, May 9, 2009 at 1:41 PM, Hal Rosenstock hal.rosenst...@gmail.com wrote: On Sat, May 9, 2009 at 6:32 AM, Eli Dorfman dorfman@gmail.com wrote: On Fri, May 8, 2009 at 4:57 PM, Hal Rosenstock hal.rosenst...@gmail.com wrote: On Wed, May 6, 2009 at 6:24 AM, Slava Strebkov

Re: [ofa-general] Re: [RFC] OpenSM and IPv6 Scalability Proposal

2009-05-09 Thread Hal Rosenstock
On Sat, May 9, 2009 at 7:31 AM, Eli Dorfman dorfman@gmail.com wrote: On Sat, May 9, 2009 at 1:41 PM, Hal Rosenstock hal.rosenst...@gmail.com wrote: On Sat, May 9, 2009 at 6:32 AM, Eli Dorfman dorfman@gmail.com wrote: On Fri, May 8, 2009 at 4:57 PM, Hal Rosenstock

Re: [ofa-general] Re: [RFC] OpenSM and IPv6 Scalability Proposal

2009-05-09 Thread Eli Dorfman (Voltaire)
Hal Rosenstock wrote: On Sat, May 9, 2009 at 7:31 AM, Eli Dorfman dorfman@gmail.com wrote: On Sat, May 9, 2009 at 1:41 PM, Hal Rosenstock hal.rosenst...@gmail.com wrote: On Sat, May 9, 2009 at 6:32 AM, Eli Dorfman dorfman@gmail.com wrote: On Fri, May 8, 2009 at 4:57 PM, Hal

RE: [ofa-general] Re: [RFC] OpenSM and IPv6 Scalability Proposal

2009-05-09 Thread Slava Strebkov
-Original Message- From: Hal Rosenstock [mailto:hal.rosenst...@gmail.com] Sent: Friday, May 08, 2009 4:58 PM To: Slava Strebkov Cc: general@lists.openfabrics.org Subject: Re: [ofa-general] Re: [RFC] OpenSM and IPv6 Scalability Proposal On Wed, May 6, 2009 at 6:24 AM, Slava Strebkov sla

Re: [ofa-general] Re: [RFC] OpenSM and IPv6 Scalability Proposal

2009-05-08 Thread Hal Rosenstock
On Wed, May 6, 2009 at 6:24 AM, Slava Strebkov sla...@voltaire.com wrote: In addition to the original proposal we suggest allocating special MLID for the following MGIDs:  1. FF12401b - All Nodes  2. FF12401b0001 - All hosts  3.

Re: [ofa-general] Re: [RFC] OpenSM and IPv6 Scalability Proposal

2008-06-16 Thread Hal Rosenstock
Hi Sasha, On Mon, 2008-06-16 at 09:39 +0300, Sasha Khapyorsky wrote: Hi Hal, On 06:03 Sat 07 Jun , Hal Rosenstock wrote: 1. Change the current underlying multicast tree from being MLID based to MGID based. This involves using fleximap rather than qmap. The downside of this is

Re: [ofa-general] Re: [RFC] OpenSM and IPv6 Scalability Proposal

2008-06-16 Thread Sasha Khapyorsky
On 07:01 Mon 16 Jun , Hal Rosenstock wrote: Is a 16K array of pointers preferable to some map ? I would think so, but didn't check deeply. And in fact actual size of such array can be limited by max supported number of MLIDs in a fabric (which is just 1K today). Sasha

Re: [ofa-general] Re: [RFC] OpenSM and IPv6 Scalability Proposal

2008-06-16 Thread Sasha Khapyorsky
On 07:48 Mon 16 Jun , Hal Rosenstock wrote: I would think so, but didn't check deeply. And in fact actual size of such array can be limited by max supported number of MLIDs in a fabric Is that really a good idea to limit it in this way ? Guess it could be limited with some

Re: [ofa-general] Re: [RFC] OpenSM and IPv6 Scalability Proposal

2008-06-16 Thread Hal Rosenstock
On Mon, 2008-06-16 at 18:07 +0300, Sasha Khapyorsky wrote: On 07:48 Mon 16 Jun , Hal Rosenstock wrote: I would think so, but didn't check deeply. And in fact actual size of such array can be limited by max supported number of MLIDs in a fabric Is that really a good idea to

Re: [ofa-general] Re: [RFC] OpenSM and IPv6 Scalability Proposal

2008-06-16 Thread Hal Rosenstock
On Mon, 2008-06-16 at 18:07 +0300, Sasha Khapyorsky wrote: I meant something else - any multicast stuff will be processed in SM after initial subnet discovery, so it is not a big problem to detect max needed array size in run-time. This already exists: max_multicast_lid_ho -- Hal

Re: [ofa-general] Re: [RFC] OpenSM and IPv6 Scalability Proposal

2008-06-16 Thread Sasha Khapyorsky
On 08:26 Mon 16 Jun , Hal Rosenstock wrote: On Mon, 2008-06-16 at 18:07 +0300, Sasha Khapyorsky wrote: On 07:48 Mon 16 Jun , Hal Rosenstock wrote: I would think so, but didn't check deeply. And in fact actual size of such array can be limited by max supported number of

Re: [ofa-general] Re: [RFC] OpenSM and IPv6 Scalability Proposal

2008-06-16 Thread Sasha Khapyorsky
On 08:33 Mon 16 Jun , Hal Rosenstock wrote: This already exists: max_multicast_lid_ho Right. Sasha ___ general mailing list general@lists.openfabrics.org http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general To unsubscribe, please visit

Re: [ofa-general] Re: [RFC] OpenSM and IPv6 Scalability Proposal

2008-06-16 Thread Hal Rosenstock
On Mon, 2008-06-16 at 18:51 +0300, Sasha Khapyorsky wrote: On 08:26 Mon 16 Jun , Hal Rosenstock wrote: On Mon, 2008-06-16 at 18:07 +0300, Sasha Khapyorsky wrote: On 07:48 Mon 16 Jun , Hal Rosenstock wrote: I would think so, but didn't check deeply. And in fact actual size

Re: [ofa-general] Re: [RFC] OpenSM and IPv6 Scalability Proposal

2008-06-16 Thread Sasha Khapyorsky
On 09:06 Mon 16 Jun , Hal Rosenstock wrote: If 16K array of pointers is OK, is a 48K array ? If so, then this should be straightforward to change. Looks like a good idea for me. Sasha ___ general mailing list general@lists.openfabrics.org

Re: [ofa-general] Re: [RFC] OpenSM and IPv6 Scalability Proposal

2008-06-16 Thread Hal Rosenstock
On Mon, 2008-06-16 at 19:08 +0300, Sasha Khapyorsky wrote: On 09:06 Mon 16 Jun , Hal Rosenstock wrote: If 16K array of pointers is OK, is a 48K array ? If so, then this should be straightforward to change. Looks like a good idea for me. It would need to be based on min of the

Re: [ofa-general] Re: [RFC] OpenSM and IPv6 Scalability Proposal

2008-06-08 Thread Hal Rosenstock
On Sun, 2008-06-08 at 08:02 -0700, Hal Rosenstock wrote: In terms of IB routers, if an MLID was overloaded, wouldn't they filter on scope as well (link local scope would be filtered), right ? Should have said not forward rather than filter on link local scope as these might be locally