Re: IPoIB TC MIB
"David M. Brean" <[email protected]> Tue, 20 Dec 2005 11:08:12 -0500
| Newsgroups | gmane.ietf.ipoib |
|---|---|
| Message-ID | <[email protected]> |
This is a multi-part message in MIME format. --===============2102778063== Content-type: multipart/alternative; boundary="Boundary_(ID_YAtCx7LtqqVJjY4mebNsSQ)" This is a multi-part message in MIME format. --Boundary_(ID_YAtCx7LtqqVJjY4mebNsSQ) Content-type: text/plain; format=flowed; charset=us-ascii Content-Transfer-Encoding: 7BIT Hal Rosenstock wrote: > Hi David, > > Are you referring to the IBA definition of partition ? Yes. > Then my quibble is with this. If full and limited members are in the > same partition, it seems there are 2 PKeys for the partition (and look > at the valuie range for ibPartitionKey) so my comment is then as follows: > Yes, there are two different 16-bit P_Keys that can be used by ports communicating in the same partition. > While ibPartition is a 16 bit value, it is filled with the low 15 bits > of the PKey with the high bit being zero. That is not clear (and that > is how I think it needs to be used). > > I want a partition based table (with full and limited members) not > separate ones (for full and limited members). > In general, I'd prefer to have the membership bit exposed since it impacts the communication capabilities of a port in a partition. Also, I'm not sure what you mean by "not separate ones" because a P_Key table can store P_Keys with both full and limited membership. -David > -- Hal > > ----- Original Message ----- > *From:* David M. Brean <mailto:[email protected]> > *To:* Hal Rosenstock <mailto:[email protected]> > *Cc:* IPoverIB <mailto:[email protected]> > *Sent:* Tuesday, December 20, 2005 4:09 AM > *Subject:* Re: [Ipoverib] IPoIB TC MIB > > Hello, > > Hal Rosenstock wrote: > >> Hi, >> >> In draft-ietf-ipoib-ibmib-tc-mib-07.txt, there is ibPartitionKey >> as follows: >> >> >>IbPartitionKey ::= TEXTUAL-CONVENTION >> DISPLAY-HINT "x" >> STATUS current >> DESCRIPTION >> "The 16-bit Partition Key." >> SYNTAX Unsigned32 (0..65535) >> >>How about an ibPartition with a definition something like the following: >> >>IbPartition ::= TEXTUAL-CONVENTION >> DISPLAY-HINT "x" >> STATUS current >> DESCRIPTION >> "The 15-bit Partition Key Base without the membership bit." >> SYNTAX Unsigned32 (0..32767) >> > > A partition has full and limited members where all 16-bits define > the partition. In fact, text says "A collection of endnodes with > the same P_Key in their P_Key Tables are referred to as being > members of a partition, or in a partition. A P_Key Table can > specify one of two types of partition membership: Limited or > Full." So, I think that you should choose a different name, if > this is needed. Also, how do you propose to use this new definition? > > By the way, a nit: the MIB also defines the "IbSmPortList". Can > it be called "IbSmaPortList" or "IbPortList"? It's used in the > SMA MIB. > > -David > >> >> >>-- Hal >> >>------------------------------------------------------------------------ >> >>_______________________________________________ >>IPoverIB mailing list >>[email protected] >>https://www1.ietf.org/mailman/listinfo/ipoverib >> >> --Boundary_(ID_YAtCx7LtqqVJjY4mebNsSQ) Content-type: text/html; charset=us-ascii Content-Transfer-Encoding: 7BIT <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type"> <title></title> </head> <body bgcolor="#ffffff" text="#000000"> Hal Rosenstock wrote:<br> <blockquote cite="[email protected]" type="cite"> <title></title> <meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"> <meta content="MSHTML 6.00.2800.1400" name="GENERATOR"> <div><font face="Arial" size="2">Hi David,</font></div> <div> </div> <div><font face="Arial" size="2">Are you referring to the IBA definition of partition ?</font></div> </blockquote> <br> Yes.<br> <br> <blockquote cite="[email protected]" type="cite"> <div><font face="Arial" size="2"> Then my quibble is with this. If full and limited members are in the same partition, it seems there are 2 PKeys for the partition (and look at the valuie range for ibPartitionKey) so m</font><font face="Arial" size="2">y comment is then as follows:</font></div> <div> </div> </blockquote> <br> Yes, there are two different 16-bit P_Keys that can be used by ports communicating in the same partition.<br> <br> <blockquote cite="[email protected]" type="cite"> <div><font face="Arial" size="2">While ibPartition is a 16 bit value, it is filled with the low 15 bits of the PKey with the high bit being zero. That is not clear (and that is how I think it needs to be used).</font></div> <div> </div> </blockquote> <blockquote cite="[email protected]" type="cite"> <div><font face="Arial" size="2">I want a partition based table (with full and limited members) not separate ones (for full and limited members).</font></div> <div> </div> </blockquote> <br> In general, I'd prefer to have the membership bit exposed since it impacts the communication capabilities of a port in a partition. Also, I'm not sure what you mean by "not separate ones" because a P_Key table can store P_Keys with both full and limited membership.<br> <br> -David<br> <br> <blockquote cite="[email protected]" type="cite"> <div><font face="Arial" size="2">-- Hal</font></div> <blockquote style="border-left: 2px solid rgb(0, 0, 0); padding-right: 0px; padding-left: 5px; margin-left: 5px; margin-right: 0px;" dir="ltr"> <div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: ;">----- Original Message ----- </div> <div style="background: rgb(228, 228, 228) none repeat scroll 0%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: ;"><b>From:</b> <a title="[email protected]" href="mailto:[email protected]">David M. Brean</a> </div> <div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: ;"><b>To:</b> <a title="[email protected]" href="mailto:[email protected]">Hal Rosenstock</a> </div> <div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: ;"><b>Cc:</b> <a title="[email protected]" href="mailto:[email protected]">IPoverIB</a> </div> <div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: ;"><b>Sent:</b> Tuesday, December 20, 2005 4:09 AM</div> <div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: ;"><b>Subject:</b> Re: [Ipoverib] IPoIB TC MIB</div> <div><br> </div> <tt>Hello,</tt><br> <br> Hal Rosenstock wrote:<br> <blockquote cite="[email protected]" type="cite"> <meta content="MSHTML 6.00.2800.1400" name="GENERATOR"> <style></style> <div><font face="Arial" size="2">Hi,</font></div> <div> </div> <div><font face="Arial" size="2">In draft-ietf-ipoib-ibmib-tc-mib-07.txt, there is ibPartitionKey as follows:</font></div> <div> </div> <div><!--StartFragment --> <pre>IbPartitionKey ::= TEXTUAL-CONVENTION DISPLAY-HINT "x" STATUS current DESCRIPTION "The 16-bit Partition Key." SYNTAX Unsigned32 (0..65535)</pre> <pre><font face="Arial" size="2">How about an ibPartition with a definition something like the following:</font></pre> <pre><!--StartFragment --><pre>IbPartition ::= TEXTUAL-CONVENTION DISPLAY-HINT "x" STATUS current DESCRIPTION "The 15-bit Partition Key Base without the membership bit." SYNTAX Unsigned32 (0..32767)</pre></pre> </div> </blockquote> <br> A partition has full and limited members where all 16-bits define the partition. In fact, text says "A collection of endnodes with the same P_Key in their P_Key Tables are referred to as being members of a partition, or in a partition. A P_Key Table can specify one of two types of partition membership: Limited or Full." So, I think that you should choose a different name, if this is needed. Also, how do you propose to use this new definition?<br> <br> By the way, a nit: the MIB also defines the "IbSmPortList". Can it be called "IbSmaPortList" or "IbPortList"? It's used in the SMA MIB.<br> <br> -David<br> <br> <blockquote cite="[email protected]" type="cite"> <div> <pre><pre> </pre><pre><font face="Arial" size="2">-- Hal</font></pre></pre> </div> <pre wrap=""><hr size="4" width="90%"> _______________________________________________ IPoverIB mailing list <a class="moz-txt-link-abbreviated" href="mailto:[email protected]">[email protected]</a> <a class="moz-txt-link-freetext" href="https://www1.ietf.org/mailman/listinfo/ipoverib">https://www1.ietf.org/mailman/listinfo/ipoverib</a> </pre> </blockquote> </blockquote> </blockquote> </body> </html> --Boundary_(ID_YAtCx7LtqqVJjY4mebNsSQ)-- --===============2102778063== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ IPoverIB mailing list [email protected] https://www1.ietf.org/mailman/listinfo/ipoverib --===============2102778063==--