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Month: June 2017

Three Little NetFlow Databases in a Big Bad World

By Alex Henthorn-Iwane, VP Product Marketing | Jun 26, 2017
Network Management

Obsolete architectures for NetFlow analytics may seem merely quaint and old-fashioned, but the harm they can do to your network is no fairy tale. Without real-time, at-scale access to unsummarized traffic data, you can’t fully protect your network from hazards like attacks, performance issues, and excess transit costs. In this post we compare three database approaches to assess the impact of system architecture on network visibility.

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News in Networking: Intent-based Networking, a Huge S3 Data Leak, and BGP Route Leaks

By Michelle Kincaid | Jun 22, 2017
Kentik News Digest

This week Cisco made a series of product announcements, including intent-based networking for automation. NTT launched an SD-WAN. An open Amazon S3 server exposed millions of voters’ PII. A group proposed a way to reduce BGP route leaks. More after the jump…

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Accuracy in Low-Volume NetFlow Sampling

By Jim Meehan, Director of Solutions Engineering | Jun 19, 2017
Network Management

NetFlow data has a lot to tell you about the traffic across your network, but it may require significant resources to collect. That’s why many network managers choose to collect flow data on a sampled subset of total traffic. In this post we look at some testing we did here at Kentik to determine if sampling prevents us from seeing low-volume traffic flows in the context of high overall traffic volume.

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News in Networking: AWS Downtime, Skills for DevOps Engineers, and Tabs vs. Spaces Debate

By Michelle Kincaid | Jun 15, 2017
Kentik News Digest

The NSA officially blamed North Korea for the WannaCry ransomware attacks. A Virginia school got creative to keep its students on fast broadband. Ericsson predicts a 5G user spike. The tabs versus spaces programmer debate continues. And the Kentik team advises on avoiding AWS downtime and offers skills for DevOps engineers to know. All that and more after the jump…

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Telecoms Take On Network Analytics & Visibility

By Alex Henthorn-Iwane, VP Product Marketing | Jun 12, 2017
Network Management

Telecom and mobile operators are clear on both the need and the opportunity to apply big data for advanced operational analytics. But when it comes to being data driven, many telecoms are still a work in progress. In this post we look at the state of this transformation, and how cloud-aware big data solutions enable telecoms to escape the constraints of legacy appliance-based network analytics.

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News in Networking: Security-Defined Networking, SD-WAN, and Container Strategies

By Michelle Kincaid | Jun 7, 2017
Kentik News Digest

The meaning of SDN changed. That is, if you’re working in Cisco’s Security Business. It means “security-defined networking,” which is where they’re focusing. SD-WAN is still hogging the spotlight, but CenturyLink says it’s “no quick fix.” Meanwhile, containers are a big part of AT&T’s network strategy. “Not everything is suited for virtual machines,” said AT&T’s CTO. More after the jump…

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Network Visibility for Higher Education IT

By Alex Henthorn-Iwane, VP Product Marketing | Jun 6, 2017
Network Management

In higher education, embracing the cloud enhances your ability to achieve successful outcomes for students, researchers, and the organization as a whole. But just as in business, this digital transformation can succeed only if it’s anchored by modern network visibility. In this post we look at the network as more than mere plumbing, identifying how big data network intelligence helps realize high-priority educational goals.

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