RFC2325 - Definitions of Managed Objects for Drip-Type Heated Beverage Hardware

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　　Network Working Group M. Slavitch
Request for Comments: 2325 Loran Technologies Inc.
Category: Informational 1 April 1998

Definitions of Managed Objects for Drip-Type Heated Beverage
Hardware Devices using SMIv2

Status of this Memo

This memo provides information for the Internet community. It does
not specify an Internet standard of any kind. Distribution of this
memo is unlimited.

Copyright Notice

Copyright (C) The Internet Society (1998). All Rights Reserved.

Table of Contents

1. Introduction ............................................... 1
2. The SNMPv2 Network Management Framework .................... 1
2.1 Object Definitions ........................................ 2
3. Overview ................................................... 2
3.1 Relationship to Interface MIB ............................. 2
4. Definitions ................................................ 3
5. Acknowledgements ........................................... 6
6. References ................................................. 6
7. Security Considerations .................................... 6
8. Author's Address ........................................... 7
9. Full Copyright Statement ................................... 8

1. Introduction

This memo defines an extension to the Management Information Base
(MIB) for use with network management protocols in the Internet
community. In particular, it defines objects for the management of
coffee-brewing and maintenance devices.

2. The SNMPv2 Network Management Framework

The SNMPv2 Network Management Framework consists of four major
components. They are:

o RFC1442 [1] which defines the SMI, the mechanisms used for
describing and naming objects for the purpose of management.

o STD 17, RFC1213 [2] defines MIB-II, the core set of managed
objects for the Internet suite of protocols.

o RFC1445 [3] which defines the administrative and other
architectural aspects of the framework.

o RFC1448 [4] which defines the protocol used for network
access to managed objects.

The Framework permits new objects to be defined for the purpose of
experimentation and evaluation.

2.1. Object Definitions

Managed objects are accessed via a virtual information store, termed
the Management Information Base or 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 object type is named
by an OBJECT IDENTIFIER, 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, we often use a textual string, termed the descriptor, to
refer to the object type.

3. Overview

The COFFEE POT MIB applies to managed devices that brew, store, and
deliver heated coffee beverages. The COFFEE POT MIB is mandatory for
all systems that have such a hardware port supporting services
managed through some other MIB.

The MIB contains objects that relate to physical connections,
configuration, storage levels, availabilty, quality of service, and
availability.

3.1. Relationship to Interface MIB

The COFFEE-POT-MIB is one of many MIBs designed for layered use as
described in the Interface MIB [5]. In most implementations where it
is present, it will be in the lowest interface sublayer, that is, the
COFFEE-POT-MIB represents the physical layer, providing service to
higher layers such as the Character MIB [6].

Although it is unlikely that a coffee port will actually be used as a
network interface, which is the intent of the Interface MIB, the
COFFEE-POT-MIB is closely connected to the Character MIB, which can
share hardware interfaces with network operation, and relate to the
RS-232 MIB [7].

The Interface MIB's ifTestTable and ifRcvAddressTable are not
relevant to the COFFEE-POT-MIB.

The COFFEE-POT-MIB is relevant for ifType values sip(31), and perhaps
others.

The COFFEE-POT-MIB requires the conformance groups ifGeneralGroup,
and ifFixedLengthGroup.

Usefulness of error counters in this MIB depends on the octet
counters in ifFixedLengthGroup.

4. Definitions

COFFEE-POT-MIB DEFINITIONS ::= BEGIN

IMPORTS
MODULE-IDENTITY, OBJECT-TYPE, NOTIFICATION-TYPE,
TimeStamp, TimeInterval,
Counter32, Integer32
FROM SNMPv2-SMI
InterfaceIndex
FROM IF-MIB
transmission
FROM RFC1213-MIB
MODULE-COMPLIANCE, OBJECT-GROUP
FROM SNMPv2-CONF;

coffee MODULE-IDENTITY
LAST-UPDATED "9803231700Z"
ORGANIZATION "Networked Appliance Management Working Group"

CONTACT-INFO
" Michael Slavitch
Loran Technologies,
955 Green Valley Crescent
Ottawa, Ontario Canada K2A 0B6

Tel: 613-723-7505
Fax: 613-723-7209
E-mail: slavitch@loran.com"
DESCRIPTION
"The MIB Module for coffee vending devices."
::= { transmission 132 }

potName OBJECT-TYPE
SYNTAX DisplayString (SIZE (0..255))
MAX-ACCESS read-only

STATUS current
DESCRIPTION
"The vendor description of the pot under management"
::= { coffee 1 }

potCapacity OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of units of beverage supported by this device
(regardless of its current state) ."
::= { coffee 2 }

potType OBJECT-TYPE
SYNTAX INTEGER {
automatic-drip(1),
percolator(2),
french-press(3),
espresso(4),
}
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The brew type of the coffee pot."
::= { coffee 3 }

potLocation OBJECT-TYPE {
SYNTAX DisplayString (SIZE (0..255))
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The physical location of the pot in question"
::= { coffee 4 }

potMonitor OBJECT IDENTIFIER ::= { coffee 6 }

potOperStatus
SYNTAX Integer {
off(1),
brewing(2),
holding(3),
other(4),
waiting(5)

}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The operating status of the pot in question. Note
that this is a read-only feature. Current hardware
prevents us from changing the port state via SNMP."
::= { potMonitor 1 }

potLevel OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of units of coffee under management. The
units of level are defined in potMetric below."
::= { potMonitor 2 }

potMetric OBJECT-TYPE
SYNTAX Integer {
espresso(1),
demi-tasse(2),
cup(3),
mug(4),
bucket(5)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The vendor description of the pot under management"
::= { potMonitor 3 }

potStartTime OBJECT-TYPE
SYNTAX Integer64
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"The time in seconds since Jan 1 1970 to start the pot
if and only if potOperStatus is waiting(5)"
::= { potMonitor 4 }

lastStartTime OBJECT-TYPE
SYNTAX TimeInterval
MAX-ACCESS read-only
STATUS current
DESCRIPTION

"The amount of time, in TimeTicks, since the coffee
making process was initiated."
::= { potMonitor 5 }

potTemperature OBJECT-TYPE
SYNTAX Integer32
UNITS "degrees Centigrade"
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The ambient temperature of the coffee within the pot"

::= { potMonitor 6 }

END

5. Acknowledgements

Networked Appliance Management Working Group (not) of the IETF.

6. References

[1] Case, J., McCloghrie, K., Rose, M., and S. Waldbusser, "Structure
of Management Information for version 2 of the Simple Network
Management Protocol (SNMPv2)", RFC1442, April 1993.

[2] McCloghrie, K., and M. Rose, Editors, "Management Information
Base for Network Management of TCP/IP-based internets: MIB-II",
STD 17, RFC1213, March 1991.

[3] Galvin, J., and K. McCloghrie, "Administrative Model for version
2 of the Simple Network Management Protocol (SNMPv2)", RFC1445,
April 1993.

[4] Case, J., McCloghrie, K., Rose, M., and S. Waldbusser, "Protocol
Operations for version 2 of the Simple Network Management
Protocol (SNMPv2)", RFC1448, April 1993.

[5] McCloghrie, K., and F. Kastenholz, "Evolution of the Interfaces
Group of MIB-II", RFC1573, January 1994.

[6] Valdez, Juan, "Definitions of Columbian Objects for Coffee Pot
Devices using SMIv2", Columbia, Inc., March 1998.

7. Security Considerations

Security issues are not discussed in this memo.

8. Author's Address

Michael Slavitch
Loran Technologies
955 Green Valley Crescent
Ottawa, Ontario Canada K2C 3V4

Phone: 613 723 7505
EMail: slavitch@loran.com

9. Full Copyright Statement

Copyright (C) The Internet Society (1998). All Rights Reserved.

This document and translations of it may be copied and furnished to
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The limited permissions granted above are perpetual and will not be
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