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diff --git a/docs/development/requirements/01-intro.rst b/docs/development/requirements/01-intro.rst index bc0e9ba0..70abc553 100644 --- a/docs/development/requirements/01-intro.rst +++ b/docs/development/requirements/01-intro.rst @@ -2,56 +2,8 @@ .. http://creativecommons.org/licenses/by/4.0 .. (c) OPNFV, Intel Corporation and others. -Introduction -============ -Barometer is the project that renames Software Fastpath service Quality Metrics -(SFQM) and updates its scope which was networking centric. - -The goal of SFQM was to develop the utilities and libraries in DPDK to -support: - -* Measuring Telco Traffic and Performance KPIs. Including: - - * Packet Delay Variation (by enabling TX and RX time stamping). - * Packet loss (by exposing extended NIC stats). - -* Performance Monitoring of the DPDK interfaces (by exposing - extended NIC stats + collectd Plugin). -* Detecting and reporting violations that can be consumed by VNFs - and higher level management systems (through DPDK Keep Alive). - -With Barometer the scope is extended to monitoring the NFVI. The ability to -monitor the Network Function Virtualization Infrastructure (NFVI) where VNFs -are in operation will be a key part of Service Assurance within an NFV -environment, in order to enforce SLAs or to detect violations, faults or -degradation in the performance of NFVI resources so that events and relevant -metrics are reported to higher level fault management systems. -If physical appliances are going to be replaced by virtualized appliances -the service levels, manageability and service assurance needs to remain -consistent or improve on what is available today. As such, the NFVI needs to -support the ability to monitor: - -* Traffic monitoring and performance monitoring of the components that provide - networking functionality to the VNF, including: physical interfaces, virtual - switch interfaces and flows, as well as the virtual interfaces themselves and - their status, etc. -* Platform monitoring including: CPU, memory, load, cache, themals, fan speeds, - voltages and machine check exceptions, etc. - -All of the statistics and events gathered must be collected in-service and must -be capable of being reported by standard Telco mechanisms (e.g. SNMP), for -potential enforcement or correction actions. In addition, this information -could be fed to analytics systems to enable failure prediction, and can also be -used for intelligent workload placement. - - -All developed features will be upstreamed to Open Source projects relevant to -telemetry such as `collectd`_ and `Ceilometer`_. - -The OPNFV project wiki can be found @ `Barometer`_ - Problem Statement -================== +------------------ Providing carrier grade Service Assurance is critical in the network transformation to a software defined and virtualized network (NFV). Medium-/large-scale cloud environments account for between hundreds and @@ -92,7 +44,7 @@ measured in-service and must be capable of being reported by standard Telco mechanisms (e.g. SNMP traps), for potential enforcement actions. Barometer updated scope -======================= +------------------------ The scope of the project is to provide interfaces to support monitoring of the NFVI. The project will develop plugins for telemetry frameworks to enable the collection of platform stats and events and relay gathered information to fault @@ -104,7 +56,7 @@ gathered information. .. image: barometer_scope.png Scope of SFQM -============= +^^^^^^^^^^^^^^ **NOTE:** The SFQM project has been replaced by Barometer. The output of the project will provide interfaces and functions to support monitoring of Packet Latency and Network Interfaces while the VNF is in service. @@ -156,7 +108,7 @@ this and would report to a VNF-level Failover and High Availability mechanism that would then determine what actions, including failover, may be triggered. Consumption Models -=================== +^^^^^^^^^^^^^^^^^^^ In reality many VNFs will have an existing performance or traffic monitoring utility used to monitor VNF behavior and report statistics, counters, etc. @@ -177,7 +129,3 @@ Management support in the VIM, and the VES project, which addresses the integration of VNF telemetry-related data into automated VNF management systems. To that end, the project committers and contributors for the Barometer project wish to collaborate with the Doctor and VES projects to facilitate this. - -.. _Barometer: https://wiki.opnfv.org/display/fastpath -.. _collectd: http://collectd.org/ -.. _Ceilometer: https://wiki.openstack.org/wiki/Telemetry |