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IT Management & Trends Blogs



CIO, Emerging Technologies, and Project Management Blogs



Published: 2017-05-27T16:55-07:00

 



OSI Interoperability and Internetworking with TCP/IP

Wed, 24 May 2017 23:24:19 GMT

we saw that the interconnection of OSI standard networks generally takes place through the Network Layer by use of a relay system. A message moves from one Open System network to another Open System network through peer Network Layers.



Light Java Project becomes Light-4j on Github

Wed, 24 May 2017 00:08:59 GMT

Designed for microservices that can be dockerized and deployed within containers



IGMP: Joining a Host Group

Tue, 23 May 2017 23:49:58 GMT

To eliminate unnecessary multicast traffic on a network, hosts and multicast routers use the Internet Group Management Protocol (IGMP).



MAC Level Bridges

Fri, 19 May 2017 21:44:55 GMT

Because a MAC bridge operates below the MAC service boundary, it is transparent to protocols operating above that boundary. A Bridged Local Area Network may provide for:



Organizations Will Never Realize the Benefits of Agile and DevOps by Reading the Internet

Wed, 17 May 2017 22:12:02 GMT

What I find worse is that when you at least attempt to coach teams along this path, they sometimes will say bizarre things like: ?Um. I think there is enough stuff written about continuous integration out there on the web that we can probably figure it out for ourselves.?



Accessing Other Networks in the Early Years

Wed, 17 May 2017 21:47:35 GMT

The network operating system or other networking software could make moving from one PC LAN to another either simple or complicated.



IGMP: Translating Between IP and Hardware Multicast Addresses

Tue, 16 May 2017 22:19:11 GMT

When a host leaves a host group, it calls procedure hgarpdel to remove the ARP cache entry and inform the hardware.



The Bygone days of LAN Gateways and Bridges

Mon, 15 May 2017 22:10:52 GMT

That was the state as we grew networks through the 1990s. But these devices also disappeared into routers and switches such that it was easier to simply light up a port in a switch that was used to bridge to another switch representing another network. These sorts of devices are rarely seen today as stand-alone hardware products.



Getting To and From Workgroup Computing

Mon, 15 May 2017 21:39:36 GMT

That was then ? now with everything connected to everything plus the internet, we take some of the stepping stones of the past for granted on how we got to our current connected world?



Terminal Emulation in the Beginning

Sun, 30 Apr 2017 22:55:38 GMT

Novell, DEC, IBM, and others were marketing LAN systems that allowed interconnection of IBM, DEC, and other computer products into an integrated network, providing for both 3270 and VTxxx emulations.



The Maturation of LANs

Sun, 30 Apr 2017 22:18:12 GMT

A good example was Novell's NetWare 4.x product, announced in mid-1993. Competition from IBM?s OS2 and Microsoft?s Windows NT server would soon eclipse Novell?s efforts.



Is Linux really that hard to use? Final, hopefully.

Sun, 30 Apr 2017 13:15:43 GMT

I have spent way too much time on comparing the different methods of installing programs in the various operating systems. It is only natural though because it is the most important part of using an operating system and it seems to be the most confusing part of running an operating system to those who may not be familiar with it.

 

Another reason is that not all commonly used




Is Linux really that hard to use? cont. 1

Sun, 30 Apr 2017 06:15:32 GMT

I thought I would have wrapped this subject up by now but it seems that I have more to say than I thought I would. Either that or the infinite monkeys in my head are gunning for extra overtime.

 

Previously I went through installing programs in windows and macos. Now I am going to ramble on about the Linux way of doing things. As you know Linux has many distributions and they




Is Linux really that hard to use? cont.

Sat, 29 Apr 2017 14:59:56 GMT

In this series about whether Linux is hard to use or not I previously discussed the method needed to install programs in the windows operating system.

 

This time I will discuss the macos. To be truthful I do find installing and removing programs in the Apple ecosystem to be simpler than with the windows operating system. For a start, there is the famed Apple app store which




Is Linux really that hard to use?

Sat, 29 Apr 2017 09:04:01 GMT

The most common complaint I am informed about regarding Linux is that it is hard to use. Personally, I find this complaint very puzzling. So I am going to compare some common tasks between Linux, windows and macos to see if Linux is really that hard to use.

 

I will base these comparisons on a fresh install of the operating system as it comes out of the box so to speak.

 

The




So you want to learn Linux?

Sat, 29 Apr 2017 02:23:08 GMT

It's been a while since I have done a Linux related article so I figure it is about time. This particular stringing of random words (in my head there are infinite monkeys) was inspired by someone who asked what many of us have asked at one time or another. That question is, how can I learn Linux?

 

However, just that question is not enough. It is too open-ended. It is like saying




LANs as the User Interface in a Distributed Network

Sat, 29 Apr 2017 00:02:14 GMT

The appropriate solution was to have only the connection to the LAN with the LAN gatewayed to the larger network and providing the appropriate terminal emulation.



Why go to the office?

Thu, 27 Apr 2017 15:46:32 GMT

It seems that the holy grail of our working lives is to be able to work from home. Provided, that is, that you work in a field which is applicable to working from home. Nowadays that seems to apply to more and more fields of work than ever before. Thanks to the wonderful counting machines we call computers.

 

All those offices which are little more than cubicle farms. Most of




No more TV for me

Thu, 27 Apr 2017 10:01:57 GMT

I do not watch television. I haven't watched it for years. By television I am talking (writing?) about the traditional model of television watching. The sitting in the living room in front of a screen, which used to be surrounded by a huge box holding high voltage electrical components, and changing channels when ever an advertisement comes on. The sort of thing which used to be done as a family




The ghost in the machine

Wed, 26 Apr 2017 15:40:15 GMT

There is a life cycle that everyone goes through. It doesn't matter if you are rich or poor, black, white or any colour in between ( in terms of total transparency I am a pasty white lacking vitamin D type of colour) the life cycle for all of us is the same.

 

Normally that would be the end of it. We start our existence with a few seconds of joy from our parents and hopefully,




The written word is dying.

Wed, 26 Apr 2017 08:55:20 GMT

There was a time once when we didn't communicate by language. We used a system of grunts, groans and posturing to get our points across. We also fought off sabre toothed cats and hunted woolly mammoths.

 

Since then our communication skills have progressed, somewhat. I am sure you all know people who communicate mainly through grunts and hand gestures. I have been guilty of




Origins of Linking LANs

Wed, 26 Apr 2017 00:05:51 GMT

In an organizational context, networks provided the means for allowing the computing power available to be used to its most complete extent.



IGMP: Managing Host Group Tables

Sun, 23 Apr 2017 00:17:08 GMT

If the underlying hardware supports multicast, IP uses the hardware multicast facility to send and receive IP multicast datagrams.



Six Industries Ripe for Digital Transformation

Thu, 20 Apr 2017 15:32:06 GMT

Following the presidential election in the U.S., it?s reasonable to assume that many industries are about to undergo fairly significant and sudden changes. Throw in other waves of global discontent and the rapid pace of technological change that?s already been marinating for several years and it?s clear that every industry is fair game for change.



Six Industries Ripe for Digital Transformation

Thu, 20 Apr 2017 15:32:06 GMT

Following the presidential election in the U.S., it?s reasonable to assume that many industries are about to undergo fairly significant and sudden changes. Throw in other waves of global discontent and the rapid pace of technological change that?s already been marinating for several years and it?s clear that every industry is fair game for change.



IGMP: Host Group Tables

Tue, 18 Apr 2017 00:48:53 GMT

A typical implementation will keep the host group information for all interfaces in a single, global table.



IGMP: Multicast Processing in IP

Sun, 16 Apr 2017 21:42:09 GMT

IP uses Class D addresses for multicast delivery. Conceptually, a Class D address defines a set of hosts that all receive a copy of any datagram sent to the address.



LANs and the Early Days of Office Automation

Sun, 16 Apr 2017 21:13:17 GMT

In the effort to find out how microcomputers were being used, even as early as 1982, as well as to refine further the meaning of "office automation," respondents to a survey were asked to list the uses their organizations made of micro computers.



DEC Ethernet Messages

Sun, 16 Apr 2017 20:58:21 GMT

The Ethernet Data Link has one type of message or frame. The construction and processing of frames is the result of the data-encapsulation function of the Data Link layer. The sub-functions of framing include addressing and error detection.



Light Java- a Next Generation Container Chassis for APIs and Microservices

Tue, 04 Apr 2017 15:24:42 GMT

Building the fastest API and Microservice infrastructure