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리눅스 방화벽을 남용하기: Spectrum 을 만들 수 있었던 ​해킹​

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IDG Contributor Network: To 400G and beyond: the arrival of adaptive networks and the next technology boom

We live in a world in which we’re regularly streaming Netflix in 4K, using the power of the phones in our pockets to augment our realities with virtual gaming, and even watching basketball from a virtual courtside seat. Our networks have evolved to cater for these technologies, and each evolutionary step has brought with it a technological boom enabled by greater capacity, speed, automation, intelligence and programmability.The next step has arrived and it’s just in time, because when you thought we were finally content with, well, content, new technologies have emerged that push beyond what we ever thought possible.At the 2018 Consumer Electronics Show (CES), Intel Studios unveiled what it’s calling Volumetric Video – and it’s nothing short of stunning. Volumetric Video uses multiple cameras to shoot a 360-degree field of view, but it differs from standard 360-degree or VR video in that it captures footage “from the outside in”. To picture how it works, visualize the action scenes from The Matrix, in which the cameras pan around a frozen-in-mid-air Keanu Reeves. But now imagine being a viewer with the ability to zoom in on any part of that scene or look at any part of the Continue reading

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IDG Contributor Network: To 400G and beyond: the arrival of adaptive networks and the next technology boom

We live in a world in which we’re regularly streaming Netflix in 4K, using the power of the phones in our pockets to augment our realities with virtual gaming, and even watching basketball from a virtual courtside seat. Our networks have evolved to cater for these technologies, and each evolutionary step has brought with it a technological boom enabled by greater capacity, speed, automation, intelligence and programmability.The next step has arrived and it’s just in time, because when you thought we were finally content with, well, content, new technologies have emerged that push beyond what we ever thought possible.At the 2018 Consumer Electronics Show (CES), Intel Studios unveiled what it’s calling Volumetric Video – and it’s nothing short of stunning. Volumetric Video uses multiple cameras to shoot a 360-degree field of view, but it differs from standard 360-degree or VR video in that it captures footage “from the outside in”. To picture how it works, visualize the action scenes from The Matrix, in which the cameras pan around a frozen-in-mid-air Keanu Reeves. But now imagine being a viewer with the ability to zoom in on any part of that scene or look at any part of the Continue reading

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Encoding data in dubstep drops

Encoding data in dubstep drops

[Warning: Those who can’t stand EDM/dubstep, oh boy do I have bad news for you in regards to this blog post]

Dubstep songs are often criticized as sounding extremely computer generated and often just too aggressi

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Public WiFi Risks Worry IT Pros

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BrandPost: Managed SD-WAN: New offerings must meet customer demand

In 2017, many service providers introduced their initial managed SD-WAN services to meet early market demand. Throughout the year, they thoroughly tested multiple SD-WAN technologies with the intention of selecting a lead platform for the initial service launch. There were many proofs of concept and beta tests prior to building the services wrap around those initial platforms. Providers developed their own trial programs and started to introduce services to their customers while completing all the necessary support to develop the platform as a fully managed service. Early offers generally included a handful of customers and, at times, restricted the service provider’s own network services.To read this article in full, please click here

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Piloting “White Space” to connect the underserved of rural Tanzania

Beyond the Net Journal

As economies develop in Tanzania, rural residents have growing needs for communication and broadband access. However, mobile operators are reluctant to invest in remote areas due to the elevated infrastructure cost and the high percentage of people that can’t afford the payment of the services.

The Internet Society Tanzania Chapter, supported by Beyond the Net Funding Programme in partnership with The University of Dodoma will target the remote areas of Dodoma Region, where conventional deployments are not available. Together, they will build a pilot project using TV White Space equipment as a community network solution.

White Space Internet is not widely adopted so far, but has the potential to transform the way we use wireless Internet. Being a free form of broadband, it is as a good alternative to provide underserved communities with Internet access that is similar to that of 4G mobile. White Space power stations can be charged with solar panels and broadband can travel up to 10 kilometers through vegetation, buildings and other obstacles.

“It’s amazing how life has changed in Tanzania thanks to the Internet”, explains Jabhera Matogoro, project manager and coordinator of Microsoft Innovation Center at the University of Continue reading

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EVPN Route Target Considerations in EBGP Environment

The proponents of the “let’s run EVPN over EBGP underlay” idea often ignore an interesting challenge: EVPN advocates use of automatically-generated Route Targets, which might not work when every leaf switch uses a different AS number.

I explored this particular can of worms in the EVPN Route Target Considerations section of the Using BGP in a Data Center Leaf-and-Spine Fabric saga.

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BiB 039: Reviewing The D-Link DGS-1510-52

Ethan Banks does a five minute review of the enterprise-oriented D-Link DGS-1510-52 Ethernet switch.

The post BiB 039: Reviewing The D-Link DGS-1510-52 appeared first on Packet Pushers.

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Palo Alto Networks Buys Endpoint Security Startup Secdo

This is the third Israeli security startup that Palo Alto Networks has purchased.

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BiB 038: Gluware Automates The Brownfield

Jeff Gray, CEO at Gluware, chatted to the Packet Pushers about how they can automate any network, including the one you've already got.

The post BiB 038: Gluware Automates The Brownfield appeared first on Packet Pushers.

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Juniper Spotlights Integration Efforts As Service Providers Chase Disaggregation

Juniper stitches together telemetry, AppFormix & its NorthStar controller to highlight integration benefits as service providers contemplate disaggregation.

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It’s Back… The Contribute and Collaborate track returns to DockerCon 2018

A significant number of Docker early adopters, advanced container users and Open Source lovers come to DockerCon to contribute to open source projects and collaborate on technical system implementations. Last year, these activities were taking place at the Moby Summit scheduled on the last day of the conference. Listening to feedback from attendees who expressed interest in participating in such activities earlier in the week, we’ve decided to bring back the Contribute & Collaborate track to the main conference days!

The goal of this track is to raise awareness and educate users around the upstream components of the Docker Platform, provide a path for new contributors and unleash new opportunities for innovation and collaboration within the broader Cloud Native and Open Source communities.

This track is organized in 4 half days (one for each of the categories below). Each will start by a series of lightning talks during which maintainers will be introducing their projects and doing a brief demo. We’ll then break into smaller groups for roundtables and informal, interactive Birds-of-a-Feather discussions with maintainers. This time will be a great opportunity to collaborate with peers who share the same interest, ask questions to maintainers, get insights into project roadmaps Continue reading

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Worth Reading: Measuring ATR

One of the more pressing and persistent problems today is the treatment of fragmented packets. We are seeing a very large number of end-to-end paths that no longer support the transmission of fragmented IP datagrams. —Geoff Huston and Joao Damas @potaroo

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Mellanox, Ixia and Cumulus: Part 2

This post is part two of three in a series looking at the joint presentations made by Mellanox, Ixia and Cumulus at Networking Field Day 17, in February 2018. More specifically, this post looks at what part Ixia has to play in the deployment of an Ethernet switch fabric built using Mellanox switches and running Cumulus Linux as the Network Operating System (NOS).

Ixia

What confused me most about a presentation from Mellanox, Ixia and Cumulus about Ethernet fabrics was to figure out what role Ixia would be playing in the disaggregated model. Mellanox makes the switch hardware and Cumulus makes the switch software, so Ixia fits, well, where exactly?

IxNetwork

IxNetwork is billed as an end-to-end validation solution which in many ways undersells what it’s all about. Rather than being just more traffic-generating test equipment, IxNetwork can emulate multiple switch and server devices so that a single piece of test hardware can be connected to what it believes is a large existing infrastructure, and that hardware’s behavior and resiliency can be validated. In the demo topology, IxNetwork connects to a physical Mellanox Spectrum switch running Cumulus Linux, emulating connected servers as well as an entire leaf/switch EVPN/VXLAN fabric, attached Continue reading

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RAD Creates VNF for White Boxes to Talk to Physical Network

RAD's vAccess allows operators to use white boxes with VNFs over whatever access infrastructure they have installed.

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Container Security Should Be Simple, Serverless Is More of a Challenge

New entrants, updates, and money continue to flow into the space, but organizations sometimes ignore the basics.

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Enterprise IT Is A Luxury Market So Stop Whining About The Price – Video

Enterprise IT is a luxury market, with high prices, high-touch sales, and fashion trends. Don't pretend you're getting a good deal.

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Why PowerShell is a Core Skill for Office 365 Administrators – Petri

Modest skills in programming are necessary for operations.

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Using Sales People for Tech Support is Expensive

First published in Human Infrastructure Magazine in Oct 2017. When something goes wrong with a product, your first stop is likely to be tech support. Those painfully expensive maintenance agreements that you pay for every year get you access to ‘world class’ support services. ORLY? Hopefully the problems occur after you bought and deployed the […]