FirstDigest » Technology

Which WAN Optimization vendor will consolidate and expand its market position on 2011

Calin — Mon, 30 Jan 2012 11:15:34 +0000

447 votes - Thank you all!

I add the results in a blog posts so we can see over years on which optimization technology we were betting in 2011.

TCP Slow Start And Wan Optimization Compression

Calin — Wed, 09 Feb 2011 23:19:41 +0000

This video looks like a good joke, but to be honest it explain in the most simple way how TCP Slow Start and Wan Optimization work. If you have problems explaining networks concepts, than for sure when somebody ask you about TCP Slow Start and Wan Optimization, you’ll remember the two guys running with oranges.

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Virtual WAN Optimization – Blue Coat presentation

Calin — Tue, 07 Sep 2010 09:54:49 +0000

Chris Webber from Blue Coat Systems describe the concept of virtualing WAN Optimization and WAN Acceleration systems. Of course that, since Blue Coat Systems is involved, you can consider this video presentation a little bit of marketing strategy, but if you think to this subject, all companies out there do [...]

Manage VirtualBox over Web Interface

Calin — Fri, 13 Aug 2010 08:37:33 +0000

A while ago, I wrote an article about How to integrate GNS3 with VirtualBox in which I have shown how you can easily create a guest machine with its own Operating System and attach it with GNS3. Everything is working fine when you have the system in [...]

New XenServer (Midnight Ride beta) is here!

Calin — Thu, 18 Mar 2010 07:39:34 +0000

Citrix launched today the new XenServer with code name Midnight Ride. This version is still a beta one and Citrix decided to make it available for download and testing through it’s Beta Program. As a participant in the Beta Program, you’ll play a critical role in helping the XenServer product team [...]

Cisco: Frame-Relay back-to-back routers in simple steps

Calin — Mon, 22 Feb 2010 10:47:42 +0000

In one of my earlier posts I have presented how to connect 3 routers in a Hub and Spoke Frame-Relay topology. Now I want to show you how to connect 2 routers back to back, in a Frame Relay topology. With a back to back connection and without any [...]

Cisco: How to configure Frame-Relay Hub and Spoke in simple steps

Calin — Thu, 12 Feb 2009 14:38:04 +0000

Some days ago, during my preparation for CCIE RS I had to configure Frame-Relay Hub and Spoke environment. Since I already did it, I said that is good to have it here also, maybe somebody will find it useful. Even if it sounds quite complicate as title, FR hub and spoke. This post assume that [...]

Cisco: Quick IOS check in 4 simple steps

Calin — Tue, 10 Feb 2009 11:25:50 +0000

This post is rather for the beginners in Cisco’s world than for advance professionals, but still I encounter situation when IOS image was corrupted even if it was uploaded to the device by a network guru. Why? It’s quite simple! Because you can be the master of the Cisco networking, but still sometime you cannot [...]

Cisco: OSPFv3 point-to-point network configuration

Calin — Thu, 29 Jan 2009 20:40:02 +0000

In the previous post I explained some basic stuff about IPv6 and how to configure IPv6 addresses on Cisco’s interfaces. Following this subject, I want to explain now how you can configure unicast dynamic routing protocols for IPv6 networks. The same as IPv4, the v6 generation of IP addresses supports routing protocol like OSPF, RIP [...]

Cisco: IPv6 basics and configuration how-to

Calin — Tue, 27 Jan 2009 18:02:37 +0000

Today, I had to deal with IPv6 configuration for my CCIE preparation and I said to write a small tutorial about IPv6 for it’s basic stuff. First of all IPv6 is not more complicated that IPv4, it just look like it is. Second, and this is my personal opinion, I think that as long as [...]