SDN Themes from ONUG – Let the ASIC go
Edit: I banged this out on the flight home from ONUG four months ago. Just found it in the drafts folder. ONUG's spring 2014 conference in New York is just 3 months away.I was privileged to attend the Open Networking User Group (ONUG) Conference, ONUG Academy and mini Tech Field Day event hosted by JP Morgan Chase on October 29 and 30.
I attended at someone else's expense. Disclaimer.
ASICs came up a lot during these couple of days. Following are some ASIC-related things I heard and overheard at ONUG.
Sun Microsystems was overly attached to their SPARC processor (and so was I!) Folks inside Sun made efforts to derail Solaris x86, in order to protect their favorite server platform, and contributed to killing the company altogether. Sad story.
As good as your ASIC is, you'll never keep up with the performance of commodity chipsets. If the whitebox stuff is faster and still good enough to do the job, then it's probably going to win. It's certainly going to cost less. The proprietary ASIC may be better and have more features, but better is the enemy of good enough.
People used to route packets using general-purpose servers Continue reading
CCDE Experience – Free Webex Session
The next CCDE practical exam will take place on 20th February 2014 at 275 Pearson Professional Centers (PPC) testing facilities worldwide. I'm planning to conduct free webex session of "CCDE Experience" on next Sunday 9th February at 6 am UTC to explain about CCDE program, how to prepare for it, and tips and tricks based on my personal experience taking the exam several times.
The webex session will be conducted in English. This is my personal initiative to promote CCDE program, with disclaimer: no guarantee you will pass the exam after you follow my suggested study plan. I use public material for the session. And I will use the opportunity to introduce my idea of Project DEW. Anyone can join this webex, you just need to register using the link below. I expect no NDA question during the session.
Topic: CCDE Experience
Date: Sunday, February 9, 2014
Time: 10:00 am, Arabian Time (Abu Dhabi, Muscat, GMT+04:00)
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To register for this meeting
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1. Go to https://cisco.webex.com/ciscosales/j.php?ED=253413112&RG=1&UID=2234307082&RT=MiMzNg%3D%3D
2. Register for the meeting.
Once the host approves your request, you will receive a confirmation email with instructions for joining the meeting
Review: Cloud Architecture Patterns
Cloud Architecture Patterns Bill Wilder Networks support applications. Okay, that might seem a little obvious, but it needs to be said from time to time. In that vein, I often find it useful to get a better grip on the applications people are putting on networks, and how they expect the network to behave. In […]
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Quiz #22 – Policy Based Routing (PBR) Problem or Not ?
Your company has 3 sites, each with a dedicated border router, R1, R2 and R3.
Site-1 (R1) and Site-2 (R2) have their own internet uplinks, but Site-3 (R3) connects to internet via R2. A GRE tunnel is built between R2 and R3 and applied an MTU of 1440, due to some constraints in the transit network between them. You notice that traffic between same pair of devices works for TCP 1001 but fails for TCP 1002. What's wrong ?
FAT or Entropy Label?
In this article we are going to see two features that improve the load-balancing in the MLPS Core. Why? In the networking when dealing with redundancy of links or paths we are facing the polarization issue. This problem happens when one of the link is congested. Let’s take the example of LAGs, if the hashing […]
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The post FAT or Entropy Label? appeared first on Packet Pushers Podcast and was written by Youssef El Fathi.
Thinking Strategically about the Benefits of IPv6
In my last blog post on how to sell IPv6 to senior managers and executives, the feedback I got from mailing list discussions was that the case for IPv6 was more of mitigating risk than some inherent benefit of IPv6 itself … Continue reading
Restoring Trust in the Internet – Part 1
The Internet has a trust problem. With the recent revelations of government surveillance, traffic interception and modification, compromised products, and suspect algorithms, we have serious problems. Greg and Ethan spoke to this briefly on Show 175 regarding the pwning of several firewall products by the NSA, but the issue goes much further than just compromised […]
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The post Restoring Trust in the Internet – Part 1 appeared first on Packet Pushers Podcast and was written by Jonathan Strine.
Why Python?
It’s been really interesting to see the industry in an all-out zerg rush to adopt Python as a skill-set. What is it about this seemingly arbitrary selection in the vast array of programming languages available out there? What is so special about Python that it comes up in nearly every conversation about SDN? This post has been in drafts for some time, and I was motivated to finish it up by this Packet Pushers episode, where Jeremy Schulman and others discuss Python and its impact to networking.Why Python?
It’s been really interesting to see the industry in an all-out zerg rush to adopt Python as a skill-set. What is it about this seemingly arbitrary selection in the vast array of programming languages available out there? What is so special about Python that it comes up in nearly every conversation about SDN? This post has been in drafts for some time, and I was motivated to finish it up by this Packet Pushers episode, where Jeremy Schulman and others discuss Python and its impact to networking.One leg too few? Architectural Best Practice on SSL VPNs
A couple of times in the past month I’ve been asked where a SSL VPN appliance should be deployed in relation to the firewall. In both cases it was relating to the Juniper Secure Access / MAG platform, but best practice should apply equally to any IPSEC or SSL VPN platform, so I thought it […]
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The post One leg too few? Architectural Best Practice on SSL VPNs appeared first on Packet Pushers Podcast and was written by Glen Kemp.
Show 177 – Current Practices
More Engineers talking about their day-to-day problems. We found Justin Seabrook Rocha and Shawn McGuire lurking in the #PacketPushers ITC channel complaining about stuff. Now they are doing it in front to a microphone. Bring the real world to your real world. Guests Shawn McGuire bigbash on the #Packetpushers channel on irc.freenode.net Twitter : @mcguiresm Blog: http://8bitsbytes.com […]
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The post Show 177 – Current Practices appeared first on Packet Pushers Podcast and was written by Greg Ferro.
The Secret Sauce for Network Services
Tunneling is the Duct Tape of Networking..It is interesting to realize that a big chunk of network features in Data Center, Service Providers and Enterprises use tunneling in one form or another..It would be fun to imagine a “world” without tunnels! Most known MPLS applications are tunneling techniques, for instance in a VPLS/L3VPN Scenario the […]
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The post The Secret Sauce for Network Services appeared first on Packet Pushers Podcast and was written by Karim Jamali.
Remote Debugging OpenDaylight with IntelliJ
Remote Debugging OpenDaylight with IntelliJ is as easy as 1, 2, 3
Remote Debugging OpenDaylight with IntelliJ
Remote Debugging OpenDaylight with IntelliJ is as easy as 1, 2, 3
1) Go to Run > Edit Configurations
2) Add a new Remote Configuration
3) Configure it as follows:
- Host = Your Controller IP
- Port = 8000
- Sources = Whichever project/module you want to debug
Remote Debugging OpenDaylight with IntelliJ
Remote Debugging OpenDaylight with IntelliJ is as easy as 1, 2, 3
Networking Field Day 7 – Here We Go Again!
I’m pleased to be invited back for the 7th installment of Networking Field Day in San Jose, CA from February 19th - 21st. This event is part of a series of independent IT community-powered events that give the vendors an opportunity to talk about the products and ideas they’ve been working on, and receive honest and direct feedback from the delegates. The results of this dynamic vary quite greatly - sometimes a vendor doesn’t quite bring their A-game and we let them know.Networking Field Day 7 – Here We Go Again!
I’m pleased to be invited back for the 7th installment of Networking Field Day in San Jose, CA from February 19th - 21st. This event is part of a series of independent IT community-powered events that give the vendors an opportunity to talk about the products and ideas they’ve been working on, and receive honest and direct feedback from the delegates. The results of this dynamic vary quite greatly - sometimes a vendor doesn’t quite bring their A-game and we let them know.Networking Field Day 7 – Here We Go Again!
I’m pleased to be invited back for the 7th installment of Networking Field Day in San Jose, CA from February 19th - 21st. This event is part of a series of independent IT community-powered events that give the vendors an opportunity to talk about the products and ideas they’ve been working on, and receive honest and direct feedback from the delegates. The results of this dynamic vary quite greatly - sometimes a vendor doesn’t quite bring their A-game and we let them know.A New Year, A New Job and New Challenges
Well by the time I get around to clicking “Publish” on this post it will no longer be a secret, and you don’t know how hard its been for me not to talk about this in overly public forums.
As some of you may have heard, after five months of interviews and immigration paperwork, I have accepted a new role with Juniper Networks as a Sr Data Center* Technical Marketing Engineer. This role will see me move to the San Francisco Bay Area in the next week or so, and be based directly out of the Sunnyvale office for at least the next two years.
The Role
This new role is actually quite exciting to me (and a little bit scary) because it takes all of the knowledge and skills I have gained over the last 15 years as a consultant and then makes use them in a different way. Instead of building solutions to individual customer requirements, I will be working with the Solutions Team to help promote solutions that are universal and can scale with user need. I will be working on creating white papers, design guides and helping position Juniper Data Center their solutions.
Having spent Continue reading