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draft-vanderstok-core-comi-01 CoAP Management Interfaces. CoRE working group. Peter van der Stok, Bert Greevenbosch. November 7,2013. Motivation. MIB and SNMP v.x are most popular management tools today There is a large MIB installed base

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Core working group

draft-vanderstok-core-comi-01

CoAP Management Interfaces

CoRE working group

Peter van der Stok, Bert Greevenbosch

November 7,2013


Motivation
Motivation

  • MIB and SNMP v.x are most popular management tools today

  • There is a large MIB installed base

  • Any new management approach should leverage this invested MIB effort

  • SNMP provides many aspects of CoAP

  • Request response

  • Preferably, one packet requests and responses

  • Security

  • Wish exists:

  • RESTful interface to MIB to reduce application development effort

  • Integrate SNMP + CoAP to reduce code complexity and stack size


Comi approach 1
CoMI approach (1)

Interface specified as:

  • Reasonable in size:

  • cbor (but, table names indirection)

  • exi (but, schema versions)

  • MIB specified with:

  • Descriptor name: sysUpTime

  • ASN.1 OBJECT-IDENTIFIER: 1.3.6.1.2.1.1.3


Comi approach 2

For presentation: Payload in pseudo format instead of EXI, CBOR,..

CoMI approach (2)

Single MIB access

REQ: GET example.com/mg/mib/sysUpTime

RES: 2.05 Content (Content-Format:application/xxxx)

(sysUpTime, "123456")

Table, single row access

REQ: GET example.com/mg/mib/ipNetToMediaTable?row=1

RES: 2.05 Content (Content-Format: application/xxxx)

(ipNetToMediaIfIndex , 1)

(ipNetToMediaPhysAddress , "00:00::10:01:23:45")

(ipNetToMediaNetAddress, "10.0.0.51")

(ipNetToMediaType , "static")

Multiple MIB access

  • REQ: GET example.com/mg/mib

  • (sysUpTime, null)

  • (ipNetToMediaTable, null)

  • RES: 2.05 Content (Content-Format:application/xxxx)

  • (all following pairs)


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