WBMM> Management Commands

WBMM> Management Commands

WBMM> Management Commands

Wagner,William WWagner at NetSilicon.com
Wed Jan 29 16:59:50 EST 2003


Cathy,
 
Certainly an interesting twist. Coming up with  a replacement for SNMP and MIBs is a task of major proportions. Of course, any document may be interpreted to mean something  far beyond was was intended by the writer. Although the charter draft does not exclude developing an SNMP replacement, the document does stress both by the  examples and the priorities  the idea of remote management. And two of the three initial examples are for extra-enterprise access. That is not to say that an SNMP replacement should not be considered, if the need can be established.
 
But if you see a need to replace SNMP, I do refer you to the DTMF site http://www.dmtf.org/standards/  which has developed WEBM (Web  Base Management) which expresses CIM, an alternate management information model, in XML. 
 
I think that if you want a replacement to SNMP and the MIBS (and I personally do not think that this is necessary), the DMTF work is the place to start. Indeed, I think that much of what they have done is applicable to WBMM.  What the DTMF work does not appear to have addressed is the communication of management information outside the firewall to supply, service and leasing companies that are not part of the enterprise. And the reason may well be that the driving need for remote management is a different application that usually is not interested in the details of local management but in a different class of interaction. The point was made that this level of interaction may also be local, and we should therefore consider manger-initiated contact as well as the service or device initiated contact that would characterize firewall addressing solutions.
 
The pressing need that needs to be addressed is concerned with communicating the information that already exists, whether it be in a MIB, a MIF, a web page or whatever. Although we may decide that we want to go on to define a new management information model, that that was not the intent of the charter. Indeed, we will have failed if we do not define a communication method that deal with data expressed in the extant management information models.
 

William A. Wagner (Bill Wagner) 
Director of Technology 
Imaging Division 
NETsilicon, Inc. 
781-398-4588 

-----Original Message-----
From: MARKLE,CATHY (HP-Boise,ex1) [mailto:cathy_markle at hp.com]
Sent: Wednesday, January 29, 2003 11:58 AM
To: 'Harry Lewis'; Wagner,William
Cc: wbmm at pwg.org
Subject: RE: WBMM> Management Commands


I agree with what Harry is saying.  I want to see us working on a replacement for SNMP and the MIB which I definitely see as being inside the scope of the charter.  Doing this will give us a solution that works inside the firewall as well as outside the firewall.  
 
Cathy Markle

-----Original Message-----
From: Harry Lewis [mailto:harryl at us.ibm.com]
Sent: Tuesday, January 28, 2003 10:20 PM
To: Wagner,William
Cc: wbmm at pwg.org
Subject: RE: WBMM> Management Commands



Nothing in the charter leads me to believe my perspective on remote management to the same granularity as currently available via SNMP is excluded or out of scope. I suggest we continue to strive for consensus and make appropriate modifications or clarifications to the charter before sending out for approval. 

I'd like to hear from some others. 
---------------------------------------------- 
Harry Lewis 
IBM Printing Systems 
---------------------------------------------- 



	"Wagner,William" <WWagner at NetSilicon.com> 
Sent by: owner-wbmm at pwg.org 


01/28/2003 04:30 PM 

        
        To:        Harry Lewis/Boulder/IBM at IBMUS, <wbmm at pwg.org> 
        cc:         
        Subject:        RE: WBMM> Management Commands	




Harry, 
  
Your  comments reflect a different perspective on the activity, or at least on the  priorities. It seems that you see the effort as a general replacement for SNMP,  perhaps defining some replacement to the MIBs.  What I see as the most  pressing need is to provide for remote access to existing data bases, be they  MIBs or the data current accessed by web pages, or some internal parameters.   
  
I also  do not see this in terms of a management station canvassing to see what device  supports what. In general, I do not think that that sort of fishing would be  allowed in many enterprises. Rather, I see the device being registered  with the remote server to provide reposts according to some pre-arraigned  agreement on what parameters would be monitored. Indeed, the idea was to define  the transport and a general formal by which elements could be queried or  specified. Although items such as you mention (size of media in trays) would not  be excluded, it does not seem the sort of thing that would be of interest to a  remote server. I will post the list of things brainstormed at the  BOF. 
  
I  intended the proposed Charter to be clear that this activity  was to use the path intended for web browsing to allow authorized  but non-enterprise agencies to monitor (for usage information, for example)  and perhaps do specific maintenance (for updates or upgrades, for example) to  on-enterprise site equipment. it was not the intent that this be a general  SNMP replacement.  Perhaps you may want to look at the charter again  before we send it out for final approval. ( I have attached the draft as  modified at Maui). By the way, the title is Charter Proposal for  PWG WEB-Based Monitoring and Management, hence  WBMM. 
  
Bill  Wagner 
  
  
-----Original Message----- 
From: Harry Lewis  [mailto:harryl at us.ibm.com] 
Sent: Monday, January 27, 2003 2:46  PM 
To: wbmm at pwg.org 
Subject: WBMM> Management  Commands 



SNMP has GET,  SET, GETBULK etc. What types of commands would we like to see in WBMM (what  does WBMM stand for, anyway!?... perhaps separate discussion... aren't we  forgetting the U word... "Universal Deice and Services Management")   

Back to the topic... 

I'm thinking we will want to improve on the interfaces  and commands based on what we have learned over the years implementing the  Printer MIB. Please share your thoughts. Here are some of mine. We  need... 

1. A way to query what  attributes are settable and which are not (we learned, with SNMP, that  "MaxAccess" isn't always that helpful). 
2. A way to query attribute (elements?) either singularly (tell me size  of media in "main" tray), in bulk (give me the "input group"), or filtered  (tell me the name of each tray; tell me all trays which are loaded with  transparency). 
3. If we end up with  mandatory and optional commands or interfaces, a way to query which are  supported in a particular implementation (describe via WSIL/WSDL?).   

 ---------------------------------------------- 
Harry Lewis   
IBM Printing Systems 
----------------------------------------------   


#### Charter Proposal 2.doc has been removed from this note on January 28, 2003 by Harry Lewis 


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