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New Job
At management school I was given the following advice "When you arrive at a new job you get fired for what you do, not what you don't".
3 Mar / Sage Advice -
IPv6 – are you ready? Pt 2
Last post, I discussed the imminent demise of spare IPv4 addresses, wherein the last addresses are likely to be allocated to end user organisations around November 2011. After this point, no more IPv4 addresses will be available – and this means that the way people will be connected to the Internet will have to change.
21 Feb / Sage Advice -
IPv6 – are you ready? Pt 1
The Internet as you’ve come to know it is about to change. It’s not a bad change, and it won’t be a dramatic change, but it’s a change that if you work in this industry, you’ll need to know about – preferably now. Yesterday, actually.
21 Feb / Sage Advice -
Navigating IPv6
On the 12th of January the Internet Society announced that several major internet content providers would be switching IPv6 on for the world on June 8th as “World IPv6 Day”.
9 Feb / Sage Advice -
How to manage network performance
Before Ethernet, IP and converged services buying telecommunications services was an extremely complex business of choosing the right communications technology from a bewildering array of offerings including ISDN, X21, leased lines and Frame Relay.
14 Oct / Sage Advice -
How to get a campus/estate-wide fibre network at a fraction of the cost
Passive Optical Networks, or PON, are essentially point-to-multipoint fibre networks using a combination of time division multiplexing (TDM) and wave division multiplexing (WDM) to allow multiple client” switches to talk to a “parent” switch along the same single core of fibre, with passive optical prisms (splitters) being used to direct the light down multiple paths.
29 Sep / Sage Advice -
Identity Theft: More than your credit card
Identity theft is a crime whereby a malicious person gathers enough information to successfully impersonate another in order to gain some benefit. While most people may immediately think of identity theft as stolen credit card numbers or online banking details, identity theft encompasses a lot more than just this and has become integrated into a highly structured, organised crime.
18 May / Sage Advice -
Redundancy versus Capacity
A truly reliable network has to be able to handle the volume of traffic and failure of equipment. The unfortunate truth is that you can have redundancy or load balanced capacity but rarely both at once.
19 Feb / Sage Advice
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Sage Advice
Unconventional wisdom from sysadmins