Worth Reading: Update on WTSA-20 Preparations and New IP

26 November 2020

The World Telecommunication Standardization Assembly (WTSA) is held every four years with the aim of helping define the next period of study for the ITU Telecommunication Standardization Sector (ITU-T). As preparations continue, I want to give a quick update on what has – or more importantly what hasn’t – changed for New IP in the lead up to WTSA-20.

Worth Reading: Brand Abuse and IP Infringements

26 November 2020

In this two-part blog series, we take a closer look at brand abuse and intellectual property (IP) infringements. In this first article, we explore the components making up a company’s IP and how online content can affect a brand’s value, both actual and perceived.

Worth Reading: Advancing global network reliability through intelligent software

25 November 2020

Microsoft’s global network is analogous to a highway system. Highways connect major cities and roadways connect small cities to major cities. In this analogy, data centers grouped into Azure regions are the major cities, and the edge PoPs are the small cities.

Worth Reading: Exploring EVPN-VXLAN Overlay Architectures – Edge-Routed Bridging

25 November 2020

As discussed in a recent blog, the bridged overlay model does not provide a mechanism for inter-VXLAN routing functionality within the fabric. Depending on your requirements, this may be sufficient – or even desired. However, if you want routing to happen within the fabric you need to consider another option.

Worth Reading: Switching Back Into a Higher Gear

24 November 2020

If you want to get a sense of what is happening in the high-end of the Ethernet switch and routing market, it is Arista Networks, formerly an upstart and now just one of the bigger vendors taking on the hegemony of Cisco Systems in networking in the datacenter and now on the campus and at the edge, is probably the best bellwether there is. And so, we like to keep an eye on what Arista is up to.

Worth Reading: What’s the difference between orchestration and automation?

24 November 2020

For the longest time, it seemed the only thing any sysadmin cared about was automation. Recently, though, the mantra seems to have changed from automation to orchestration, leading many puzzled admins to wonder: “What’s the difference?”

Worth Reading: Improving packet capture performance

23 November 2020

Packets have both a source and destination IP address. Since these aren’t particularly human-friendly, some tools place a DNS query to turn the IP address into a hostname for display.

Worth Reading: Measuring Internet Speed

23 November 2020

Various governmental organizations have begun to rely on so-called Internet speed tests to measure broadband Internet speed.

Worth Reading: The Most Popular Network Router You’ve Never Heard of

19 November 2020

Now a solution called Free Range Routing (FRR) is taking over cloud and enterprise datacenters around the world and if you are in the latter camp, you’ve probably never heard of it.

Worth Reading: DNS XL

19 November 2020

The choice of permitted packet sizes in a packet-switched network is often the result of a set of design trade-offs, where issues of carriage efficiency, capacity, speed, jitter, reliability and transmission noise tolerance all come to bear.