Terry's Blog

Per-core licensing charges?

tslattery — Mon, 18 Aug 2008 15:08:00 GMT

Some vendors are charging licensing fees for each processor or even each processor core in a server. In an article on Network World Oracle is described as charging for each individual core on multi-cpu, multi-core systems. My view is that this type of...(read more)

Paris Traceroute

tslattery — Thu, 14 Aug 2008 16:06:00 GMT

Marty Adkins over at Netcraftsmen recently found an interesting network diagnostic tool: Paris Traceroute . It can find multi-path routes through a network where one device is doing load balancing of some sort. I've not yet used it,but it looks pretty...(read more)

Cloud Computing Applied to Network Management

tslattery — Mon, 04 Aug 2008 18:39:00 GMT

One of the new technology rages in the market today is Cloud Computing (and Storage), of which Amazon's Web Services ( S3 , SQS, SimpleDB, EC2, and HaDoop) is one example. As I was reading through the example of "Grep the Web" described...(read more)

Configuration Rollback

tslattery — Wed, 30 Jul 2008 19:40:00 GMT

We were talking with Debra Curtis of Gartner yesterday about Network Configuration and Change Management (NCCM) and the topic of Rollback came up. Juniper has supported the 'commit' operation since they started, allowing their devices to be rolled...(read more)

Cisco IOS 12.4(20)T Packet Capture Feature

tslattery — Tue, 29 Jul 2008 16:49:00 GMT

Jamey Heary, CCIE No. 7680, who writes for Network World's Cisco Subnet, recently wrote about a set of new features in Cisco's IOS 12.4(20)T release . One of the features he describes is pretty neat: Packet Capture. At times, the only way you...(read more)

Chilling Network Topology Discovery Patent Application

tslattery — Thu, 24 Jul 2008 19:07:00 GMT

I discovered a patent application (not yet granted) this week that gave me chills. Part of its claims* are performing Layer 2 and Layer 3 network topology discovery and display, as of October 2001. Huh? Network topology discovery and display was being...(read more)

Troubleshooting VoIP

tslattery — Mon, 21 Jul 2008 20:15:00 GMT

I've done a few seminars on troubleshooting VoIP at VoiceCon (Fall 07 and Spring 08). Somewhere along the way, someone mentioned a relatively new web site to me: voiptroubleshooter.com I finally took time today to look at it. The content is potentially...(read more)

Publishing product power consumption and heating requirements

tslattery — Tue, 15 Jul 2008 16:22:00 GMT

In my last post, I described a common repository for EOL/EOS data for all vendors. Continuing the wishful thinking, I propose that vendors publish the power consumption and heat generation parameters for their products in a common format. With these parameters...(read more)

Identifying End-of-Life and End-of-Sales products

tslattery — Tue, 15 Jul 2008 15:18:00 GMT

You can save a lot of money by identifying obsolete products in your network that are costing more money to keep on maintenance contracts than replacement products cost. Vendors announce their obsolete products with End-of-Life or End-of-Sales postings...(read more)

The Original CCIE Lab's Plaque

tslattery — Fri, 20 Jun 2008 20:35:00 GMT

Stuart Biggs, who was awarded CCIE number 1025, was able to track down the original CCIE lab's number plaque and get a picture (see below). I asked where it was currently located: They moved it to bldg K - ground floor where the elevators are. Stuart...(read more)