Comparison of descriptions models

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CNML was designed for a lot of elements that described each zone, node, links and traffic from a Community Network, but finally only was implemented from for hierarchy based on this schema:


NetJSON is designed and implemented just for elements described below that include metric and topology values. You can get NetJSON from [Netdiff Netdiff parser. Netdiff provide parsers for OLSR 0.6.x jsoninfo plugin, BATMAN-adv alfred tool, CNML and recently a beta version for BMX6 b6m plugin[1].

Also you can get NetJSON directly from nodes with Netengine tool (python library) which provide a single API to extract common information from network devices using different protocols (eg: SNMP, SSH, HTTP) and different firwmares (OpenWRT and AirOS).

NetJSON Network Device Configuration

NetJSON CNML proposed standard CNML from
general cnml cnml
hardware hardware capability -
operating_system - -
resources - -
interfaces - interface
physical_devices devices -
routing - -
dns_servers - -
dns_search - -

NetJSON Device Monitoring Data

NetJSON CNML proposed standard CNML from
general not for monitoring N/A (available from SNMP)
interfaces not for monitoring N/A (available from SNMP)
resources not for monitoring N/A

NetJSON Network Routes

NetJSON CNML proposed standard CNML from
protocol not for routes N/A
version not for routes N/A
metric not for routes N/A

NetJSON Network Graph

NetJSON CNML proposed standard CNML from
version cnml cnml
metric - -
nodes node information node
links - link
revision (opt) - -
router_id (opt) - -


Proposed standard CNML element Used CNML element Attributes
cnml cnml generated, server_id, server_url, version
hardware capability
mapping class mapping, network_description
network environment network ap, client, devices, links, nodes, services
content sharing
zone access_points, box, clients, created, devices, dns_servers, graph_server, id, links, ntp_servers, parent_id, services, time_zone, title, updated, zone_nodes
node information node access_points, antenna_elevation, clients, created, devices, graph_server, id, lat, links, lon, services, status, title, updated
devices device created, firmware, graph_server, id, name, snmp_index, status, title, type, updated
radio antenna_angle, antenna_azimuth, antenna_gain, channel, device_id, id, mode, protocol, snmp_index, snmp_name, ssid
service created, id, status, title, type, updated
interface id, ipv4, mac, mask, type
link id, link_status, link_type, linked_device_id, linked_interface_id, linked_node_id
owner of device
scale of interest to the network
personal keyring

See Also


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