267 posts categorized "Application Performance" Feed

Troubleshooting a Cloud Problem with Wireshark (by Paul Offord)

The slowly growing interest in Cloud Computing that started ten or so years ago is turning into a stampede.  Most of our customers at Advance7 have strategic plans to migrate many systems to a cloud platform, and many have already started the journey.

Cloud application topology

In fact, we too have migrated all of our systems into AWS and Azure, containerising many of them in the process. But here's a concern we shared with our customers:

"Will we have enough visibility to troubleshoot performance and stability problems once we have migrated our systems?"

It's a good question.  We don't want to discover that the whole environment is opaque, just when we need to troubleshoot a serious problem.  We satisfied ourselves that we could get the data we needed to maintain our systems.  We found that we could get a lot of information from the Application Load Balancers, and we configured continuous packet captures to record traffic between the tiers of our systems.  Just as well as a couple of months ago we hit a performance problem with the TribeLab Community website.

I managed to record the actions of our Performance & Stability Engineers as they used AWS CloudWatch and Wireshark to investigate the problem.  I pulled together screenshots, video clips and other information to produce a short video case study …

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LMTV LIVE | How To Diffuse The IT Blame Game (with Keith Bromley and Scott Peerbolte)

 

 

LIVE EVENT START TIME : 9:30 AM PST, Wednesday, June 27th, 2018

6a00e008d95770883401b8d2e041f0970c-800wiThis week we will be talking with Keith Bromley (from Keysight Technologies, formerly Ixia) and Scott Peerbolte (of Corvil) about how you can help break down silos and reduce the blame game that are common for most IT departments. 

For instance, how well do your IT departments communicate with each other?  

Enterprises typically contain four or more IT sub-departments (Security, Network Operations, Virtual DC, Capacity Planning, Service Desk, Compliance, etc.) and it’s quite common for them to be at odds with each other, even in good times. For instance, there’s often contention over capital budgets, sharing resources, and headcount. But let’s be generous. Let’s say that in normal operations things are usually good between departments. What happens if there’s a breach though, even a minor one? Then things can change quickly. Especially if there are problems with acquiring accurate monitoring data for security and troubleshooting areas. Finger pointing can quickly result. 

So, what can you do? One answer is to create complete network visibility (at a moment’s notice) for network security and network monitoring/troubleshooting activities. Join us on this podcast to learn how.

Some key thoughts we will discuss during the event:

 

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LMTV LIVE | Resilience Within A Security Architecture (with Keith Bromley and Steve McGregory)

LIVE EVENT START TIME : Wednesday, May 30, 2018 - 9:30 AM PST

NetworkVis_Ad_TroubleshootIT_170x200Keith Bromley and Steve McGregory from Keysight Technologies (formerly Ixia) will be talking about a security architecture concept called Network Security Resilience. While this concept is not new, it has received as much attention as typical defensive strategies have. This may change with the new NIST Framework for Improving Critical Infrastructure Cybersecurity that places more effort on breach recovery and mitigation.

Basically, it’s not a question of IF your network will be breached, but WHEN. News broadcasts for the last several years have shown that most enterprise networks will be hacked at some point. In addition, the time it takes for most IT departments to notice the intrusion usually takes months—over six months according to the Ponemon Institute. This gives hackers plenty of time to find what they want and exfiltrate whatever information they want. What if you could reduce that time to 1 month, i.e. cut it to 1/6 of the time? Or maybe reduce it further to one week, or maybe to just one day? What if you could go further? Would that be of interest to you? 

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LMTV LIVE | Improving Packet Analysis with Synthetic Testing (with Steve Brown and Ward Cobleigh)

LIVE EVENT START TIME : Wednesday, May 16th, 2018 9:30 AM PST

AlterEgoQuiz_LMT200Whether troubleshooting basic user complaints or trying to determine performance in the cloud, the challenges are the same in determining:

  • Where to begin troubleshooting?
  • Is it the network, application, client, server, or now cloud?

We’ll join with experts from Viavi product manager Ward Cobleigh and solutions director Steve Brown to discuss how to use synthetic testing to improve troubleshooting with packet analysis. In this edition of LMTV, we’ll focus on:

  • Extending visibility to the network edge, public cloud, and remote users
  • Confirming issue domain gets to root cause faster

We’ll also run through Viavi’s newest cloud NPM service ObserverLIVE showing troubleshooting examples for the public cloud, distributed architectures, and constant network firefighting scenarios. In the meantime, you can learn about free trials of the service at: www.ObserverLIVE.com


LMTV LIVE | How Tools Must Adapt To NPM Specialists (with Scott Sumner and Boris Rogier)

LIVE Event Start Time: Wednesday, April 25, 2018 - 10:00 AM

We will discuss a number of good technical subjects that relate to troubleshooting tricky scenarios like SaaS applications, SAP and Citrix, and ways that TCP analysis can be used to streamline hybrid-cloud app performance. In particular, we would use this first session under the Accedian brand to discuss more about how we see the future of tools, and what can be done to simplify and accelerate the work of NPM specialists with automation and real-time analysis.

Accedian commits to the future of this space, addressing the emerging challenges that will confront analysts as we move increasingly towards combined legacy /physical and virtual / cloud infrastructure.

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