etm-response-logo

Response: http2 explained

Been researching HTTP2 protocol on the basis that is will, more or less, be the dominant protocol on the Internet and everywhere else. Aside from the […]

Latest Posts

Monospaced Fonts and Command Line

Recently I’ve been on a search for a ‘better’ font to use in terminals. In an unrelated coincidence, I learned about anti-aliasing, I still don’t understand it but it makes a difference.

IOS: show tcp vty

On Cisco IOS, this is a very useful command “show tcp vty xx” to show TCP statistics of the VTY session. If you think your terminal is running slow because of packet loss or delay then this command will provide visibility. The other cause is the CPU/Memory running slow if you don’t see any errors on the TCP (as you can see below).

etm-response-logo

Killer Apps in the Gigabit Age | Pew Research Center’s Internet & American Life Project

Very, very funny quote in the Pew Research Report: How could people benefit from a gigabit network? One expert in this study, David Weinberger, a senior researcher at Harvard’s Berkman Center for Internet & Society, predicted, “There will be full, always-on, 360-degree environmental awareness, a semantic overlay on the real world, and full-presence massive open […]

If Cisco Could Be Split Up, What Could Go ?

Following the breakups of IBM and HP as they divest the low profit divisions and EMC under a some pressure to disband the Federation, the same question is often raised about Cisco but what could go ?

wpid-ecmp-switch-fabric-generic-1.png

Last Chance at Chassis Switch Saloon

In recent network designs, the big, hot and heavy chassis switch has become the last option for a number of reasons. Switch Performance and Capacity. Port Density In the past, the most common decision for buying a chassis has been port density. A chassis backplane provides a high speed connection for the line cards to […]

EtherealMind-life-dashboard

Poster: Life Dashboard

I wish my life was like this dashboard where I could turn all the knobs to ten but I can’t.

More Posts from this Category

Blessay (Deep Content)

network-break-logo-v2-opt

Announcing the Network Break Podcast

The Network Break is a new Packet Pushers podcast where we discuss "state of the business" in networking and enterprise infrastructure. Andrew Conry-Murray and I discuss vendors moves and news, product and ploys, analysis on product and positioning, and look at the business of networking in a short … [Read More...]

Private-Cloud-Schmatic-Block-Diagram-august-2014

My Private Cloud Block Architecture Diagram

When planning network architecture for the next few years,  I believe that it is important to comprehend that the network is just a one part of an overall system. The ITIL foolishness that drive most IT infrastructure processes prevents clear systemic thinking and I'm often having to explain how the … [Read More...]

Internet-as-cloud-wan

Blessay: The Internet is a “Cloud” for Networking

Can the Internet be the “Cloud Network” ? If so, when could the transition happen (if it hasn’t started already) ? Supposition/Hypothesis As a technology, the Internet has strikingly similar properties to sharing Compute and Storage as ‘Cloud’. A large pool of resource that can be used or shared … [Read More...]

network-daigrams-visio

Book Release: Tips on Using Visio To Make Network Diagrams

Back in 2009, while working on a network diagram in Visio, a fellow worker asked me to show him how I did certain things. I thought this a bit strange at the time, but when other co-workers started asking the same questions I was surprised. Some of them got quite excited and said nice things and it … [Read More...]

More Blessays ( And Well Worth Reading )