Datanauts 135: An Introduction To Edge Computing
It turns out you can t do it all in the cloud. And thus, we have the rise of edge computing, in which data is collected, processed, and analyzed close to the source of its creation and close to where people and systems need it.
The goals of edge computing include improving performance, reducing the costs and time of data transmission, and creating new applications to take advantage of that data.
Our guide to edge computing is Alex Marcham. Alex is a technologist, writer and researcher. You can find his work at NetworkArchitecture2020.com.
We level-set with a working definition of edge computing, examine the notion of locality and what it means for edge computing, and discuss latency issues.
We explore edge computing use cases such as industrial processes and video surveillance, and dive into the infrastructure that drives this technology.
Show Links:
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History Of Networking – Martin Casado – Software Defined Networking
Today, every network vendor sells a solution labeled “software-defined”. But in the 2000’s, the networking stack was driven by constraints in hardware that could not be changed. In this History of Networking, Martin Casado joins us to talk about the ideas that drove his research in software-defined networking and his thoughts on hardware and software in networking.
Martin Casado
Guest
Russ White
Host
Jordan Martin
Host
Eyvonne Sharp
Host
Outro Music:
Danger Storm Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
http://creativecommons.org/licenses/by/3.0/
The post History Of Networking – Martin Casado – Software Defined Networking appeared first on Network Collective.
Canadian Youth Advocates Participate in Enhancing IoT Project
On May 14, a group of young people who are currently working on or are studying tech, politics, computer science, and the Internet of Things (IoT) met for a two-hour Youth Advocates for IoT Security round table. This event was a part of the Internet Society’s year-long initiative, the Canadian Multistakeholder Process – Enhancing IoT Security in partnership with Innovation, Science and Economic Development, the Canadian Internet Registration Authority, CANARIE, and CIPPIC. It serves as just one of several workshops that will be held during the process to develop recommendations for a set of norms and policies to secure the IoT in Canada.
The round table offered an opportunity for young people in school or their early careers to voice their opinions and provide unique inputs for consideration on the following aspects of IoT security:
- How young people currently use IoT devices;
- How they anticipate these devices will be used in the future; and
- Effective ways of educating young consumers about IoT security.
The group discussed the ways in which IoT devices have become seemingly ubiquitous in youth’s lives. IoT devices have also become integral, and often required, parts of classroom learning and workplaces. Now, the lines Continue reading
Cato SD-WAN Hunts Down Threats With Zero-Footprint Data Aggregation
The company’s cloud-based SD-WAN platform upgraded its security offering by adding a threat hunting system that eliminates enterprises’ need to deploy data collection infrastructure and analyze raw data.
Cisco Live – Coming out of your shell! (Be Social!)
Cisco Live is just around the corner and what better time to talk about the social aspect of the event. …
The post Cisco Live – Coming out of your shell! (Be Social!) appeared first on Fryguy's Blog.
OpenDaylight Tutorial: Connecting OpenFlow Switches
In this excerpt from "OpenDaylight Cookbook," learn how to connect an OpenFlow switch to the open source SDN controller.
Multi-tier load-balancing with Linux
A common solution to provide a highly-available and scalable service is to insert a load-balancing layer to spread requests from users to backend servers.1 We usually have several expectations for such a layer:
- scalability
- It allows a service to scale by pushing traffic to newly provisioned backend servers. It should also be able to scale itself when it becomes the bottleneck.
- availability
- It provides high availability to the service. If one server becomes unavailable, the traffic should be quickly steered to another server. The load-balancing layer itself should also be highly available.
- flexibility
- It handles both short and long connections. It is flexible enough to offer all the features backends generally expect from a load-balancer like TLS or HTTP routing.
- operability
- With some cooperation, any expected change should be seamless: rolling out a new software on the backends, adding or removing backends, or scaling up or down the load-balancing layer itself.
The problem and its solutions are well known. From recently published articles on the topic, “Introduction to modern network load-balancing and proxying” provides an overview of the state of the art. Google released “Maglev: A Fast and Reliable Software Network Load Balancer” describing their Continue reading
Why is Network Automation So Hard?
This blog post was initially sent to the subscribers of my SDN and Network Automation mailing list. Subscribe here.
Every now and then someone asks me “Why are we making so little progress on network automation? Why does it seem so hard?”
There are some obvious reasons:
- Tightly-coupled components and humongous blast radius;
- Lack of good tools and programming interfaces;
- Lack of transactional consistency (in some cases even simple commits);
However, there’s a bigger elephant in the room: every network is a unique snowflake.
Read more ...Facebook Unveils Network Load Balancer, Provisioning Tool
Social media giant releases details about its Katran load balancing software, which it's open sourcing, and its Zero-Touch network provisioning system.
Securing the Multi-Cloud: It Takes a Village
Even enterprises not in a multi-cloud environment must begin making their security decisions with it in mind. If they don’t, they risk some of their decisions quickly becoming obsolete.
Pivot3 Adds Live Migration Across AWS, Microsoft Azure, Google Cloud
The hyperconverged infrastructure vendor partnered with CloudEndure, whose software provides disaster recovery and live migration technology, for the new services.
Regular Expression for Network Engineer Part-1
A regular expression is set of pattern used to define certain amount of text. An powerful tool in any scripting language to match any pattern. Lets have a look , how regular expression can be used in Python to solves the problem. Module “re’ is imported in python to support regular expression . << import […]Regular Expression for Network Engineer Part-1
A regular expression is set of pattern used to define certain amount of text. An powerful tool in any scripting language to match any pattern.
Lets have a look , how regular expression can be used in Python to solves the problem. Module “re’ is imported in python to support regular expression .
<< import re >>
[ ] – its for specifying character class, individual char or range of character can be mached .
- [123] will match any of the character ‘1’,’2′,’3′
- [1-3] will match any of the character ‘1’,’2′,’3′
- [a-d] will match any of the character a,b,c,d
- [a-z] will match lowercase
- [A-Z] will match uppercase
- [^6] will match any character except 6
- [a-zA-Z0-9] will match any alphanumeric character
- [^a-zA-Z0-9] will not match any alphanumeric character
- [a-zA-Z0-9] is equivalent to \w
- [^a-zA-Z0-9] is equivalent to \W
- [0-9] is equivalent to \d
- [^0-9] is equivalent to \D
- [ \t\n\r\f\v] is equivalent to \s
- [ ^ \t\n\r\f\v] is equivalent to \S
. – Period character ,use for matching any single charcter
- EXAMPLE :
[code language=”python”]
In [225]: ip =’10.20.30.40′
In [226]: re.search(r”.”,ip)
Out[226]:<_sre.SRE_Match object; span=(0, 1), match=’1’_>
In [227]: re.search(r”.”,ip).group(0)
Out[227]: ‘1’
OpenStack Makes its Open Source CI/CD Platform Available to the Wider World
OpenStack has been decoupling Zuul from OpenStack-specific systems to make the software available to more developers.
Introducing: The Cloudflare All-Stars Fantasy League
Baseball season is well underway, and to celebrate, we're excited to introduce the Cloudflare All-Stars Fantasy League: a group of fictitious sports teams that revolve around some of Cloudflare’s most championed products and services. Their mission? To help build a better Internet.
Cloudflare HQ is located just a block away from the San Francisco Giants Stadium. Each time there's a home game, crowds of people walk past Cloudflare's large 2nd street windows and peer in to the office space. The looks in their eyes scream: "Cloudflare! Teach me about your products while giving me something visually stimulating to look at!"
They asked. We listened.
The design team saw a creative opportunity, seized it, and hit it out of the park. Inspired by the highly stylized sports badges and emblems of some real-life sports teams, we applied this visual style to our own team badges. We had a lot of fun coming up with the team names, as well as figuring out which visuals to use for each.
For the next few months, the Cloudflare All-Stars teams will be showcased within the large Cloudflare HQ windows facing 2nd street and en route to Giants Stadium. Feel free to Continue reading