A Longitudinal View of Netflix

This came across the NANOG mail list. A Longitudinal View of Netflix: Content Delivery over IPv6 and Content Cache Deployments paper:   https://bit.ly/2toOGWPslides:  https://bit.ly/2ZoEpapvideo:   https://vimeo.com/437111302 Some highlights Caches reachable within 6 IP hops and 20 ms-IP path lengths shorter by 40–50%-Latency lower by 64%-Throughput higher by factor of three-Latency benefits more pronounced over IPv4 compared with … Read more

Network troubleshooting tools

Recently, there was a thread on the NANOG list asking what were somne favorite network troubleshooting tools. I have taken many of these tools and created the following list. http://ping.pe/Simple pingport and dig commands https://mtr.sh/BGP Looking glass https://perfops.net/mtr-from-worldTraceroute from various hosts on the net http://www.traceroute6.net/IPV6 tools (ping,traceroute,etc) https://dnsviz.net/Carious DNS tools http://irrexplorer.nlnog.net/Routing Registry object explorer https://mxtoolbox.com/DNS … Read more

Podcast: Dead technologies for service providers

I put together a quick 5-minute podcast talking about two dead technologies for service providers. What is on your list of things no longer relevant or used? #j2podcast #packetsdownrange #routethelight  

WISPs: IPv6 is the answer to some of your issues

Many Wireless Internet Service Providers (WISPs), especially newer startups, struggle with nat issues and having enough public Ip addresses to go around. Invariably, you start running into double nat issues pretty quickly. Then you get the dreaded gamer call: Many times they don’t know why they are even calling. They just know the magic box … Read more

Mikrotik 6.47.1 released

Lots of things here. Some noteable things What’s new in 6.47.1 (2020-Jul-08 12:34): *) crs3xx – fixed HW offloading for netPower 15FR and netPower 16P devices (introduced in v6.47);*) crs3xx – fixed increased CPU temperature for CRS354-48G-4S+2Q+ device (introduced in v6.47);*) crs3xx – improved Ethernet port group traffic forwarding for CRS354 devices;*) dhcpv6-server – disallow … Read more

Sponsored Post: Ritalia Funding

As you may already know, we have been exhibitors at Wispa shows for almost 9 years. We are a technology financing source for the industry and work with many well known vendors such as Streakwave, ISP Supplies, Winncom, WavOnline, CTI, among others. We have implemented some new financing programs for you in order to meet the … Read more

Internet Routing Registry Resources by j2sw

Interconnection

What is a routing registry?From Wikipedia https://en.wikipedia.org/wiki/Internet_Routing_RegistryThe Internet routing registry works by providing an interlinked hierarchy of objects designed to facilitate the organization of IP routing between organizations, and also to provide data in an appropriate format for automatic programming of routers. Network engineers from participating organizations are authorized to modify the Routing Policy Specification Language (RPSL) … Read more

RPKI and misconceptions

After my blog post about Hurricane Electric and RPKi support, I was seeing some comments by folks that warrant some clarification. I put together a short midnight podcast on this.  To summarize1. route original validation is not the same as having ROA’S with your RIR2. If you have an ASN you should have a peering … Read more

Hurricane Electric now requires IRR and filters invalid RPKI

Interconnection

If you are a Hurricane Electric customer you may be receiving e-mails like the following: What does this mean for you as a service provider? If you use Hurricane Electric as transit or peer with them on an exchange you will need to have ROAs for your blocksand have routing registry objects. I did a … Read more