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All
  • All
  • Announcements
  • Basic Networking
  • Best Practices in Network Design
  • BGP
  • BGP Security
  • BOOTCAMP ANNOUNCEMENTS
  • Broadband
  • CCDE BOOTCAMP
  • CCDE CERTIFICATION
  • CCDE Preparation Recommendations
  • CCIE Enterprise Infrastructure
  • CCIE SP
  • Certifications
  • Cisco SD-WAN
  • Cloud Computing
  • Data Center
  • Definitions
  • Design Scenarios
  • Discussions
  • DMVPN
  • EIGRP
  • Fast Convergence
  • FUNNY
  • IGP
  • Inspiring
  • Inter AS MPLS VPN
  • IOT
  • IPv6
  • IS-IS
  • Layer 2 Technologies
  • Life
  • LISP
  • Mobile Broadband
  • MPLS
  • MPLS Traffic Engineering
  • MPLS Transport Profile
  • MPLS VPNs
  • Multicast
  • Network Design
  • Network Monitoring
  • OSPF
  • Peering
  • Quality of Service
  • SD-Access
  • SD-WAN
  • Security
  • Segment Routing
  • Service Provider Networks
  • Sub Marine Cables
  • TCP - UDP - QUIC
  • Transport Network
  • Uncategorized
  • VPN
  • Wireless

BGP Convergence and ASn allocation design in Large Scale Networks

BGP Convergence and ASn allocation design in Large Scale Networks covered in this post and the video at the end of the post.

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BIER – Bit Indexed Explicit Replication

BIER is Bit Indexed Explicit Replication which is a newest proposal for IP Multicast.

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BGP+SPF for Hyperscale/Massively Scale Datacenter Deployment

BGP+SPF Imagine we replace BGP best path selection decision with SPF. BGP+SPF exactly does that. In this post, I will explain why we are looking for alternative protocols for Massively Scale Datacenter.

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What is Internet Exchange Point, IXP Best Practices and IXP Participants?

IXP is a layer 2 network where multiple network entities meet, for the purposes of interconnection and exchanging traffic with one another. Internet Exchange Points start with a single Layer 2 switch at one location. …

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Segment Routing vs. LDP vs. RSVP

When it comes to transport network, these days very hot discussion in the networking community is the comparison between Segment Routing, LDP and RSVP.

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Internet is slow due to Coronavirus!

Internet is slow due to Coronavirus! and this will be the case for entire world soon!.In this post, I will mention some of my concerns for the computer network infrastructure due to Coronavirus, Covid19. First …

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Will March 19, 2020 CCDE Practical exam be cancelled due to Coronavirus?

Will March 19, 2020 CCDE Practical exam be cancelled?

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What is IP Anycast? Where it is used in networking?

What is IP Anycast? Is IP Anycast a routing protocol? Where IP Anycast is used in Networking?. In this post I will answer these questions.

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RIFT – Routing in Fat Trees – Large Scale Datacenter Routing Protocol

RIFT – Routing in Fat Trees. RIFT is a Routing Protocol which is targeted for Densely Meshed topologies such as Fat Tree. Tony Przygienda who is the inventor of RIFT, Jeff Tantsura and Orhan Ergun …

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Edge Computing and Fog Computing

In this post, Edge Computing and Fog Computing will be explained. Network engineers, network designers, network architects need to know these two important industry terms and their architecture to decide “how” and “where” to deploy …

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CCIE Enterprise Infrastructure Training

CCIE Enterprise Infrastructure Training by Orhan Ergun. As Orhan Ergun, I always aim to provide best training in the world. I started recently CCIE Enterprise Infrastructure v1. 0 training. In this post you will see …

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Book Giveaway Winners

As you know couple days ago I announced that I will giveaway 3 of my books to 10 people. In this post, you will see the names of the winners. Thanks for the all participants …

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