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The term "Provisioning" describes the ability to configure a Gateway with "information" that will be sent to its assets when those assets register with the Platform. The information is intended to help set up the asset for connections and communications with its managing Gateway.
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The Data Over Cable Service Interface Specification (DOCSIS) defines functionality in cable modems that are involved in high-speed data distribution over cable television system networks. Using this feature, Multiple Systems Operators (MSOs) can provide a range of services(like broadband Internet connectivity, telephony) through an “always-on” Internet through Internet connection.
The primary function of the eRouter device is to allow subscribers to connect multiple CPE devices to the operator provided DOCSIS high-speed Internet service. DOCSIS specifications allow subscribers to directly connect multiple CPE devices to the cable modem; however, that requires operators to provide IP provisioning to each of the CPE devices. Depending on which IP Protocols are enabled, the eRouter allows provisioning of IPv4 CPEs, IPv6 CPEs, or Dual Stack (IPv4 and IPv6) CPEs simultaneously.
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The GW Provisioning Abstraction defines the abstracted APIs which are called by the gateway provisioning application during initialisation. It provides interfaces to be used for handshaking during DOCSIS initialisation.
gw_prov_abstraction.h file defines the abstracted APIs. gw_prov_utopia initialises and runs the provisioning process.
gw_prov_abstraction.h file defines the abstracted APIs.Create utopia create state machine for event handling from DOCSIS stack. This is called from provisioning abstraction layer when any provisioning event occurs. Registered DOCSIS init event will be handled by the state machine. gw_prov_utopia will initialise CCSP system configuration through utopia_init.sh.When eSAFE has not yet begun its provisioning process: Initialise DOCSIS resources required for external DOCSIS interface. All database resources needed for DOCSIS maintenance are initialised. Initialise an eSafe device database. Physical network interface used by the eRouter are added. DOCSIS events are registered. eRouter Initialization:
The eRouter operates in any one of the following three modes:
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The eRouter can also be set to 'Disabled' mode, which turns the eRouter into a bridging device. The eRouter must support all the three modes of operations along with the ability to be set to 'Disabled' mode. The eRouter, by default will be in 'Dual IP Protocol Enabled' mode..
When eSAFE has not yet begun its provisioning process: Initialises DOCSIS resources required for external DOCSIS interface. All database resources needed for DOCSIS maintenance are initialised. Initialises an eSafe device database. Physical network interface used by the eRouter are added. DOCSIS events are registered.
At this point even if eRouter mode is enabled, eRouter operation mode is either "Disabled" or set to "No IPv4, no IPv6", regardless of which is enabled. DOCSIS local bridge is disconnected. Event notification is sent on DOCSIS initialisation.
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eSAFE completes its provisioning:
IPv4 WAN Side Routing: When upstream ipv4-status notification is received, eSafe database is updated with router provisioning status finished. The the eRouter operation mode is set to both IPv4, IPv6 or only IPv4 for IPv4 routing.
IPv6 WAN Side Routing: When upstream ipv6When upstream ipv6-status notification is received, eSafe database is updated with router provisioning status finished. The the eRouter operation mode is set to both IPv4, IPv6 or only IPv6 for IPv6 routing.
This state is updated in eSafe device database to indicate that the eSAFE completed its provisioning process.
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