Skylight sensor agent reflect 21.12 Release Notes

Prev Next

agent: reflect 21.12

Overview

Accedian is pleased to announce release 21.12 of Skylight sensor: agent reflect

What's New

21.12 is the first GA release of the Skylight sensor: agent reflect - a linux x86-64-bit binary standalone application to be used as a reflector/responder to Skylight performance monitoring sessions.

The current version of the reflector supports the following bidirectional measurement functions

Mode / function socket type instance detection description
TWAMP light stateful UDP 🗸 RFC-5357 with session detection
TWAMP light stateless UDP n/a RFC-5357 without session detection
* 2xOneWay UDP 🗸 Accedian proprietary L3
* Echo UDP n/a RFC-862
* ETH-OAM LB RAW n/a 802.1ag / Y.1731
* ETH-OAM DM RAW n/a 802.1ag / Y.1731
* ETH-OAM SLM RAW 🗸 802.1ag / Y.1731
* ETH-OAM VS RAW 🗸 Accedian proprietary L2

Items marked with * are to be considered experimental, but may be fully supported fully in an upcoming release

Hosting system requirements


The Skylight sensor agent reflect can be installed in virtually any Linux environment as a user space application. For best accuracy the agent should be run on the "metal" operating system, and not inside a virtual machine - unless the performance of the virtualization is of interrest to the monitoring use case.

Minimum Requirements – Typical PM Accuracy of ~500us on percentile 95
Operating system: Linux 2.6 or later 64bit
CPU requirements: 300MHz
Memory requirements: 1MB free RAM
Disk requirements: 0.1MB free disk space

Recommended Requirements – Typical PM Accuracy of ~50us on percentile 95
Operating system: Linux 2.6 or later 64bit
CPU requirements: 1Ghz – Agent process prioritized with "nice" command
Memory requirements: 1Mb free RAM
Disk requirements: 0.1Mb free disk space

Release Components

Component Version
agent reflect skylight-agent-reflect-amd64_21.12_27.tar.bz2

Corrected Issues

None in this first GA release.

© 2025 Cisco and/or its affiliates. All rights reserved.
 
For more information about trademarks, please visit: Cisco trademarks
For more information about legal terms, please visit: Cisco legal terms

For legal information about Accedian Skylight products, please visit: Accedian legal terms and tradmarks