Topology discovery with Cumulus Linux
Telemetry, analytics, and control with sFlow® standard Demo: Implementing the OpenStack Design Guide in the Cumulus Workbench is a great demonstration of the power of zero touch provisioning and automation. When the switches and servers boot they automatically pick up their operating systems and configurations for the complex network shown in the diagram. REST API for Cumulus Linux ACLs describes
RFC 3176: InMon Corporation's sFlow: A Method for Monitoring Traffic in Switched and Routed Networks
This RFC was published on the Legacy stream stream. This RFC is not endorsed by the IETF and has no formal standing in the IETF standards process. Network Working Group P. Phaal Request for Comments: 3176 S. Panchen Category: Informational N. McKee InMon Corp. September 2001 InMon Corporation's sFlow: A Method for Monitoring Traffic in Switched and Routed Networks Status of this Memo This memo pro
Host sFlow: Data Center Wide Server Performance Monitoring
The Host sFlow agent exports physical and virtual server performance metrics using the sFlow protocol. The agent provides scalable, multi-vendor, multi-OS performance monitoring with minimal impact on the systems being monitored. NEWS March 28, 2023 - Linux dropreason support implemented March 15, 2023 - VyOS support implemented February 16, 2021 - Transit delay / queue depth support implemented J
Installing Host sFlow on a Windows server
Telemetry, analytics, and control with sFlow® standard The Host sFlow agent supports Windows performance monitoring, providing a lightweight, scalable solution for monitoring large numbers of Windows servers. The following steps demonstrate how to install and configure the Host sFlow agent on a Windows server, sending sFlow to an analyzer with IP address 10.0.0.50. Note: If there are any firewalls
Host sFlow distributed agent
Telemetry, analytics, and control with sFlow® standard The sFlow standard uses a distributed push model in which each host autonomously sends a continuous stream of performance metrics to a central sFlow collector. The push model is highly scalable and is particularly suited to cloud environments. The distributed architecture extends to the sFlow agents within a host. The following diagram shows h
Ganglia
Telemetry, analytics, and control with sFlow® standard The open source Ganglia Monitoring System is widely used to monitor high-performance computing systems such as clusters and Grids. The recent addition of sFlow support makes Ganglia an attractive option for monitoring servers in cloud computing environments (see Cloud-scale performance monitoring). The diagram shows the elements of the solutio
第1章 sFlowとは
RMON-1のホスト・テーブル，マトリックス，RMON-2のプロトコル別統計などを実装するためには，多くのリソース（メモリー，CPUパワー）が必要であり，コスト的な問題で，完全な実装が行われていない。 これらの問題を解決するトラフィック管理技術として登場したのが，sFlowとNetFlowです。今回は，この二つのうち前者の「sFlow」について解説します。 sFlowとは sFlowは，米インモンが開発したパケット・サンプリングに基づくトラフィック管理技術です。sFlowは，米ファウンドリや日立製作所，米HPといったLANベンダーが販売するLANスイッチに実装されています。 sFlowが基盤としているパケット・サンプリング技術は，1990年代の初めから研究されていましたが，研究者以外にはあまり注目されていませんでした。ところが，LANの回線速度の主流が100Mビット/秒から1Gビット/秒以
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Host sFlow on older Windows servers