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MADMAN Working Group Glenn Mansfield [glenn@aic.co.jp]
INTERNET-DRAFT AIC Systems Laboratory
S.E.Hardcastle-Kille [steve@isode.com]
ISODE Consortium
August 1993
Directory Monitoring MIB
Status of this Memo
This document is an Internet Draft. Internet Drafts are working
documents of the Internet Engineering Task Force (IETF), its Areas,
and its Working Groups. Note that other groups may also distribute
working documents as Internet Drafts.
Internet Drafts are draft documents valid for a maximum of six
months. Internet Drafts may be updated, replaced, or obsoleted by
other documents at any time. It is not appropriate to use Internet
Drafts as reference material or to cite them other than as a "working
draft" or "work in progress."
To learn the current status of any Internet-Draft, please check the
1id-abstracts.txt listing contained in the Internet-Drafts Shadow
Directories on ds.internic.net, nic.nordu.net, ftp.nisc.sri.com, or
munnari.oz.au.
Abstract
This document defines an experimental portion of the Management
Information Base (MIB). It defines the MIB for monitoring Directory
System Agents[DSA], a component of the OSI Directory. This MIB will be
used in conjunction with the APPLICATION-MIB for monitoring DSAs.
Contents
========
1.The SNMPv2 Network Management Framework. 2
2.MIB Model for DSA Management 2
3.The DSA functions and operations. 3
4.MIB design. 4
5.The Directory Monitoring MIB 4
6.Acknowledgements 17
7.References 18
Security Considerations
Authors' Addresses
Expires: February 25, 1994 [Page 1]
Internet Draft August 1993
1.The SNMPv2 Network Management Framework.
==========================================
The major components of the SNMPv2 Network Management framework are
described in the documents listed below.
o RFC 1442 [1] defines the Structure of Management Information
(SMI), the mechanisms used for describing and naming objects
for the purpose of management.
o RFC 1213 [2] defines MIB-II, the core set of managed objects
(MO) for the Internet suite of protocols.
o RFC 1445 [3] defines the administrative and other
architectural aspects of the management framework.
o RFC 1448 [4] defines the protocol used for network access to
managed objects.
The framework is adaptable/extensible by defining new MIBs to suit the
requirements of specific applications/protocols/situations.
Managed objects are accessed via a virtual information store, the MIB.
Objects in the MIB are defined using the subset of Abstract Syntax
Notation One (ASN.1) defined in the SMI. In particular, each object type
is named by an OBJECT IDENTIFIER, which is an administratively assigned
name. The object type together with an object instance serves to
uniquely identify a specific instantiation of the object. For human
convenience, often a textual string, termed the descriptor,is used to
refer to the object type.
2. MIB Model for DSA Management.
=================================
A DSA-manager may wish to monitor several aspects of the operational
DSA. He/she may want to know the process related aspects- the CPU,
memory, .. utilization of the operational DSA; the network service
related aspects - inbound-associations, outbound-associations,
operational status, ... and finally the information specific to the DSA
application- its operations and performance.
The MIB proposed in this document covers only the portion which is
specific to the DSA-application. The network service related part of
the MIB, and the host-resources related part, of the MIB , as well
other parts of interest to a Manager monitoring the DSA-application,
are covered in separate documents [6][7]. The relationship of this
MIB with the other MIBs is shown in fig.1.
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+----------------------+
| Host Resources MIB |
+----------------------+
| |
| DSA-specific MIB |
| |
+----------------------|
| generic NSA MIB |
+----------------------+
| Other MIBs |
| [MIB-II, ... ] |
+----------------------+
Fig. 1
The manager (application) of a network service application will use
the Host Resources MIB to obtain process related information [ resource
usage,..], the Network Service Application (NSA) MIB for generic NSA
related MOs. The DSA-specific MIB is the one that is being proposed in
this memo.
For management information pertaining to the lower layer
TCP/UDP/IP/... the MIB-II offers the repertoire of MOs.
3.The DSA functions and operations.
==================================
The Directory System Agent [DSA], a component of the OSI-Directory, is
an application process. It provides access to the Directory Information
Base [DIB] to Directory User Agents [DUA] and/or other DSAs.
Functionally , a User [ DUA ] and the Directory are bound together for a
period of time at an access point to the Directory [DSA]. A DSA may use
information stored in its local database or interact with (chain the
request to) other DSAs to service requirements. Alternatively, a DSA may
return a reference to another DSA.
The local database of a DSA consists of the part of the DIT that is
mastered by the DSA, the part of the DIT for which it keeps slave copies
and cached information that is gathered during the operation of the DSA.
The specific operations carried out by the DSA are : Read, Compare,
AddEntry, ModifyEntry, ModifyRDN, RemoveEntry, List, Search. There is
also the special operation Abandon. In response to requests results
and/or errors are returned by the DSA.
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4. MIB design.
=============
The basic principle has been to keep the MIB as simple as possible. The
Managed objects included in the MIB are divided into three tables- the
dsaOpsTable dsaEntryTable and dsaIntTable.
- The dsaOpsTable provides summary statistics on the accesses,
operations errors.
- The dsaEntriesTable provides summary statistics on the entries
held by the DSA and on cache performance.
- The dsaIntTable provides some useful information on the
interaction of the monitored DSA with peer DSAs.
There are references to the Directory itself for static
information pertaining to the DSA. These references are in the form of
"Directory Distinguished Name" [5] of the corresponding object. It is
intended that DSA management applications will use these references to
obtain further related information on the objects of interest.
5. The Directory Monitoring MIB.
===============================
DSA-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY, OBJECT-TYPE,
NOTIFICATION-TYPE,experimental
FROM SNMPv2-SMI
DisplayString
FROM SNMPv2-TC;
-- textual conventions
-- Distinguished Name [5]- is used to refer to objects in the directory.
DistinguishedName::= DisplayString
dsaMIB MODULE-IDENTITY
LAST-UPDATED "9308190000Z"
ORGANIZATION "IETF MADMAN Working Group"
CONTACT-INFO
" Glenn Mansfield
Postal: AIC Systems Laboratory
6-6-3, Minami Yoshinari
Aoba-ku, Sendai, Japan 989-32.
Expires: February 25, 1994 [Page 4]
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Tel: +81-22-279-3310
Fax: +81-22-279-3640
E-mail: glenn@aic.co.jp"
DESCRIPTION
"The MIB module for monitoring Directory System Agents"
::= { experimental 48 }
dsaMIBObjects OBJECT IDENTIFIER ::= { dsaMIB 1}
dsaOpsTable OBJECT-TYPE
SYNTAX SEQUENCE OF DsaOpsEntry
MAX-ACCESS not-accessible
STATUS mandatory
DESCRIPTION
"The table holding information related to the
DSA operations"
::= {dsaMIBObjects 1}
dsaOpsEntry OBJECT-TYPE
SYNTAX DsaOpsEntry
MAX-ACCESS not-accessible
STATUS mandatory
DESCRIPTION
"Entry containing operations related statistics for a DSA"
INDEX { dsaApplIndex }
::= {dsaOpsTable 1}
DsaOpsEntry ::= SEQUENCE {
dsaApplIndex
INTEGER,
--bindings
dsaAnonymousBinds
Counter32,
dsaUnauthBinds
Counter32,
dsaSimpleAuthBinds
Counter32,
dsaStrongAuthBinds
Counter32,
dsaBindSecurityErrors
Counter32,
-- in-coming operations
dsaInOps
Counter32,
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-- locally executed
dsaReadOps
Counter32,
dsaCompareOps
Counter32,
dsaAddEntryOps
Counter32,
dsaRemoveEntryOps
Counter32,
dsaModifyEntryOps
Counter32,
dsaModifyRDNOps
Counter32,
dsaListOps
Counter32,
dsaSearchOps
Counter32,
dsaOneLevelSearchOps
Counter32,
dsaWholeTreeSearchOps
Counter32,
-- out going operations
dsaReferrals
Counter32,
dsaChainings
Counter32,
-- errors
dsaSecurityErrors
Counter32,
dsaErrors
Counter32
}
dsaApplIndex OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS not-accessible
STATUS mandatory
DESCRIPTION
"Reference into application table to allow
correlation with general application
parameters"
::= {dsaOpsEntry 1}
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-- for more information on the DSA [Contact person , Directory
-- Distinguished Name ... ] the corresponding ApplEntry
-- [ applicationIndex = dsaApplIndex] in the applTable should
-- should be looked up.
-- [ the dsa's appn entry-id = experimental.46.1.1.dsaApplIndex ]
dsaAnonymousBinds OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" Number of anonymous (DAP) binds to this DSA
since application start"
::= {dsaOpsEntry 2}
dsaUnauthBinds OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" Number of un-authenticated binds to this
DSA , since application start"
::= {dsaOpsEntry 3}
dsaSimpleAuthBinds OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" Number of binds to this DSA that were authenticated
using simple authentication procedures, since
application start"
::= {dsaOpsEntry 4}
dsaStrongAuthBinds OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" Number of binds to this DSA that were authenticated
using the strong authentication procedures, since
application start. This includes the binds that were
authenticated using external authentication procedures"
::= {dsaOpsEntry 5}
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dsaBindSecurityErrors OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" number of bind operations that have been rejected
by this DSA due to inappropriateAuthentication or
invalidCredentials."
::= {dsaOpsEntry 6}
dsaInOps OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" Number of operations forwarded to this DSA
from DUAs or other DSAs , since application
start up"
::= {dsaOpsEntry 7}
dsaReadOps OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" number of read operations locally executed by
this DSA since application startup."
::= {dsaOpsEntry 8}
dsaCompareOps OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" number of compare operations locally executed by
this DSA since application startup."
::= {dsaOpsEntry 9}
dsaAddEntryOps OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" number of addEntry operations locally executed by
this DSA since application startup."
::= {dsaOpsEntry 10}
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dsaRemoveEntryOps OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" number of removeEntry operations locally executed by
this DSA since application startup."
::= {dsaOpsEntry 11}
dsaModifyEntryOps OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" number of modifyEntry operations locally executed by
this DSA since application startup."
::= {dsaOpsEntry 12}
dsaModifyRDNOps OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" number of modifyRDN operations locally executed by
this DSA since application startup."
::= {dsaOpsEntry 13}
dsaListOps OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" number of list operations locally executed by
this DSA since application startup."
::= {dsaOpsEntry 14}
dsaSearchOps OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" number of search operations- baseObjectSearches,
oneLevelSearches and subTreeSearches, locally
executed by this DSA since application startup."
::= {dsaOpsEntry 15}
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dsaOneLevelSearchOps OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" number of oneLevelSearch operations locally executed
by this DSA since application startup."
::= {dsaOpsEntry 16}
dsaWholeTreeSearchOps OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" number of wholeTreeSearch operations locally executed
by this DSA since application startup."
::= {dsaOpsEntry 17}
dsaReferrals OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" number of referrals returned by this DSA in response
to requests for operations since application startup."
::= {dsaOpsEntry 18}
dsaChainings OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" number of operations forwarded by this DSA
to other DSAs since application startup."
::= {dsaOpsEntry 19}
dsaSecurityErrors OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" number of operations forwarded to this DSA
which did not meet the security requirements "
::= {dsaOpsEntry 20}
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dsaErrors OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" number of operations that could not be serviced
due to errors other than security errors, and
referrals.
A partially serviced operation will not be counted
as an error.
The errors include NameErrors, UpdateErrors, Attribute
errors and ServiceErrors."
::= {dsaOpsEntry 21}
-- Entry statistics/Cache performance
dsaEntriesTable OBJECT-TYPE
SYNTAX SEQUENCE OF DsaEntriesEntry
MAX-ACCESS not-accessible
STATUS mandatory
DESCRIPTION
"The table holding information related to the
cache performance of the DSAs"
::= {dsaMIBObjects 2}
dsaEntriesEntry OBJECT-TYPE
SYNTAX DsaEntriesEntry
MAX-ACCESS not-accessible
STATUS mandatory
DESCRIPTION
"Entry containing statistics pertaining to entries
held by a DSA"
INDEX { dsaApplIndex }
::= {dsaTable 1}
DsaEntriesEntry ::= SEQUENCE {
dsaMasterEntries
INTEGER,
dsaCopyEntries
INTEGER,
dsaCacheEntries
INTEGER,
dsaCacheHits
Counter32,
dsaSlaveHits
Counter32
}
Expires: February 25, 1994 [Page 11]
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dsaMasterEntries OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
"Number of Entries mastered in the DSA"
::= {dsaEntriesEntry 1}
dsaCopyEntries OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
"Number of Entries with systematic (slave)
copies maintained in the DSA"
::= {dsaEntriesEntry 2}
dsaCacheEntries OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
"Number of Entries cached (non-systematic
copies) in the DSA"
::= {dsaEntriesEntry 3}
dsaCacheHits OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" number of operations that were serviced from
the locally held cache, since application
startup."
::= {dsaEntriesEntry 4}
dsaSlaveHits OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" number of operations that were serviced from
the locally held object replications [ shadow
entries] since application startup."
::= {dsaEntriesEntry 5}
-- The dsaIntTable contains statistical data on the DSAs
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-- with which a DSA [attempts to] interact. This table will
-- provide a useful insight into the effect of neighbours
-- on the DSA performance.
-- Due to resource constraints it may be necessary to
-- delete entries. It is suggested that the least recently
-- used entries be deleted first. The size of the table and
-- procedures for its maintenance will be left to the
-- implementation.
dsaIntTable OBJECT-TYPE
SYNTAX SEQUENCE OF DsaIntEntry
MAX-ACCESS not-accessible
STATUS mandatory
DESCRIPTION
"each row of this table contains some details
related to the history of the interaction
of the DSAs mastered locally with other DSAs"
::= { dsaMIBObjects 3 }
dsaIntEntry OBJECT-TYPE
SYNTAX DsaIntEntry
MAX-ACCESS not-accessible
STATUS mandatory
DESCRIPTION
"entry containing interaction details of a DSA
with a peer DSA"
INDEX { dsaApplIndex,dsaIntIndex }
::= { dsaIntTable 1 }
DsaIntEntry ::= SEQUENCE {
dsaIntIndex
INTEGER,
dsaName
DistinguishedName,
dsaTimeOfCreation
TimeTicks,
dsaTimeOfLastAttempt
TimeTicks,
dsaTimeOfLastSuccess
TimeTicks,
dsaFailuresSinceLastSuccess
Counter32,
dsaFailures
Counter32,
dsaSuccesses
Counter32
}
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dsaIntIndex OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS not-accessible
STATUS mandatory
DESCRIPTION
" together with dsaApplIndex it forms the unique key to
identify the conceptual row which contains useful info
on the (attempted) interaction between the DSA (referred
to by dsaApplIndex) and another DSA."
::= {dsaIntEntry 1}
dsaName OBJECT-TYPE
SYNTAX DistinguishedName
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" distinguished name of the DSA to which this
entry pertains."
::= {dsaIntEntry 2}
dsaTimeOfCreation OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" The value of sysUpTime when this entry was created.
If the entry was created before the network management
subsystem was initialized, this object will contain
a value of zero."
::= {dsaIntEntry 3}
dsaTimeOfLastAttempt OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" The value of sysUpTime when the last attempt was made
to contact this DSA. If the last attempt was made before
the network management subsystem was initialized, this
object will contain a value of zero."
::= {dsaIntEntry 4}
dsaTimeOfLastSuccess OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" The value of sysUpTime when the last attempt made to
Expires: February 25, 1994 [Page 14]
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contact this DSA was successful. If there have
been no successful attempts this entry will be
0. If the last successful attempt was made before
the network management subsystem was initialized, this
object will contain a value of zero."
::= {dsaIntEntry 5}
dsaFailuresSinceLastSuccess OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" The number of failures since the last time an
attempt to contact this DSA was successful."
::= {dsaIntEntry 6}
dsaFailures OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" cumulative failures since the creation of
this entry."
::= {dsaIntEntry 7}
dsaSuccesses OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS mandatory
DESCRIPTION
" cumulative successes since the creation of
this entry."
::= {dsaIntEntry 8}
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-- conformance information
dsaConformance OBJECT IDENTIFIER ::= { dsaMIB 2 }
dsaGroups OBJECT IDENTIFIER ::= { dsaConformance 1 }
dsaCompliances OBJECT IDENTIFIER ::= { dsaConformance 2 }
-- compliance statements
dsaOpsCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The compliance statement for SNMPv2 entities
which implement the dsa MIB for monitoring
DSA operations."
MODULE -- this module
MANDATORY-GROUPS { dsaOpsGroup }
::= { dsaCompliances 1 }
dsaEntryCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The compliance statement for SNMPv2 entities
which implement the dsa MIB for monitoring
DSA operations, entry statistics and cache
performance."
MODULE -- this module
MANDATORY-GROUPS { dsaOpsGroup,dsaEntryGroup }
::= { dsaCompliances 2 }
dsaIntCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The compliance statement for SNMPv2 entities
which implement the dsa MIB for monitoring
DSAs interaction with other DSAs."
MODULE -- this module
MANDATORY-GROUPS { dsaOpsGroup, dsaIntGroup }
::= { dsaCompliances 3 }
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-- units of conformance
dsaOpsGroup OBJECT-GROUP
OBJECTS {dsaApplIndex, dsaAnonymousBinds, dsaUnauthBinds,
dsaSimpleAuthBinds, dsaStrongAuthBinds, dsaBindSecurityErrors,
dsaInOps, dsaReadOps, dsaCompareOps,
dsaAddEntryOps, dsaRemoveEntryOps, dsaModifyEntryOps,
dsaModifyRDNOps, dsaListOps, dsaSearchOps,
dsaOneLevelSearchOps,dsaWholeTreeSearchOps,dsaReferrals,
dsaChainings, dsaSecurityErrors, dsaErrors}
STATUS current
DESCRIPTION
"A collection of objects for monitoring the DSA
operations"
::= { dsaGroups 1 }
dsaEntryGroup OBJECT-GROUP
OBJECTS {dsaMasterEntries, dsaCopyEntries, dsaCacheEntries,
dsaCacheHits, dsaSlaveHits}
STATUS current
DESCRIPTION
"A collection of objects for monitoring the DSA
entry statistics and cache performance"
::= { dsaGroups 2 }
dsaIntGroup OBJECT-GROUP
OBJECTS {dsaName, dsaTimeOfCreation, dsaTimeOfLastAttempt,
dsaTimeOfLastSuccess,dsaFailuresSinceLastSuccess,dsaFailures,
dsaSuccesses}
STATUS current
DESCRIPTION
"A collection of objects for monitoring the DSA
interaction with other DSAs"
::= { dsaGroups 3 }
END
6. Acknowledgements
====================
This draft is the product of discussions and deliberations carried out
in the following working groups
ietf-madman-wg ietf-madman@innosoft.com
wide-isode-wg isode-wg@wide.ad.jp
wide-netman-wg netman-wg@wide.ad.jp
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7. References
==============
[1] Case, J., McCloghrie, K., Rose, M., and Waldbusser, S.,
"Structure of Management Information for version 2 of the Simple Network
Management Protocol (SNMPv2)", RFC1442, SNMP Research,Inc., Hughes LAN
Systems, Dover Beach Consulting, Inc., Carnegie Mellon University,April
1993.
[2] McCloghrie, K., and Rose,M., Editors, "Management Information Base for
Network Management of TCP/IP-based internets: MIB-II", STD 17, RFC 1213,
Hughes LAN Systems, Performance Systems International, March 1991.
[3] Galvin, J., McCloghrie, K., " Administrative Model for version 2 of the
Simple Network Management Protocol (SNMPv2)", RFC 1445, Trusted Information
Systems, Hughes LAN Systems, April 1993.
[4] Case, J., McCloghrie, K., Rose, M., and Waldbusser, S.,
"Protocol Operations for version 2 of the Simple Network Management Protocol
(SNMPv2)", RFC1448, SNMP Research,Inc., Hughes LAN Systems, Dover Beach
Consulting, Inc., Carnegie Mellon University, April 1993.
[5] The X.500 blue book.
[6] Freed, N., Kille, S., The Network Services Monitoring MIB,
Internet Draft, August 18, 1993.
[7] Grillo, P., Waldbusser, S., Host Resources MIB, Internet Draft,
June, 1993.
[8] Austein, R., Saperia J., DNS Resolver MIB, Internet Draft,
July 1993.
[9] Austein, R., Saperia J., DNS Server MIB Extensions, Internet Draft,
July 1993.
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Security Considerations.
========================
Security issues are not discussed in this memo.
Authors' Addresses
==================
Glenn Mansfield Steve Hardcastle-Kille
AIC Systems Laboratories ISODE Consortium
6-6-3 Minami Yoshinari Unit 309, The Chandlery
Aoba-ku 50 Westminster Bridge Road
Sendai 989-32 London SE1 7QY
Japan England
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