Performance Assurance for Cloud Applications

© 2016 ADVA Optical Networking. All rights reserved.1
Performance Assurance
for Cloud Applications
Wednesday, September 28, 2016

The Cloud Is Great – How Do You Get There?
… and are there
any guardrails?

Cloud Computing Today – YGWYG*
Today, connections to the cloud are usually over the public internet
Internet
Cloud
Datacenter
Enterprise Enterprise
Performance is not assured. *You get what you get!

Internet
Cloud
Datacenter
What Happens When There’s Trouble?
Where’s the problem?
Where’s the problem? Who do you call?
Is it
here?
Maybe
here?
Could be here? Possibly in here?

Internet
Cloud
Datacenter
Assuring Access
There are plenty of tools for
assuring access to a data center
Only the connectivity portion is assured – not the apps in the cloud
EAD EAD EAD
Access
assurance
for DIA
Assurance
for private
line to cloud
EAD

What’s Missing? The Stuff Inside the DC
… and there’s a lot of plumbing and machinery there
AssuredOpaque
EADEAD
… and the cloud and connect are owned by different providers
Enterprise

Typical Cloud-Based Service
• The path through the data center is not assured! (No guardrails)
• The data center and connectivity are owned by different SPs
Even if you wanted to do HW assurance in the DC, where would you place an EAD?
Enterprise
Data Center
Per-server VMs,
vSwitch and
hypervisor

Enterprise
Data Center
Per-server VMs,
vSwitch and
hypervisor
Option 1: Add a soft probe on each server
• Blue: data path
• Red: test path
Path is assured to a VM parallel to the user VM

Enterprise
Data Center
Per-server VMs,
vSwitch and
hypervisor
Option 2: Add probe to vSwitch
• Blue: data path
• Red: test path
Path is assured to the base of the user VM

Summary of Benefits
Soft Probe vSwitch Probe
End-to-end assurance Yes Yes
Layer 2 and 3 Yes Yes
Runs in existing IaaS Yes No – Requires update of vSwitch
Assures all VMs on server No Yes
No incremental VM No Yes

Conclusions
• Assured access is critical for public cloud
applications – we need guardrails!
• Assurance within the data center requires
software-centric solutions – hardware probes
won’t work
• Probes and instrumented virtual switches are two
viable options that are available today
11

Thank You
IMPORTANT NOTICE
The information in this presentation may not be accurate, complete or up to date, and is provided without warranties or
representations of any kind, either express or implied. ADVA Optical Networking shall not be responsible for and disclaims any
liability for any loss or damages, including without limitation, direct, indirect, incidental, consequential and special damages, alleged
to have been caused by or in connection with using and/or relying on the information contained in this presentation.
Copyright © for the entire content of this presentation: ADVA Optical Networking.

Performance Assurance for Cloud Applications

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