Gadgets below developed by
Takashi
Arano's
Intec iNetcore
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IP v4 Exhaustion Counter - Visualizing the
status of IPv4 address exhaustion, a mashup of "IPv4 Global Unicast
Address Assignments" provided by IANA and "IPv4 Address Report"
researched by Geoff Huston of APNIC.
Get your own gadget from
inetcore.com/project/ipv4ec/index_en.html
|
Each row shows, for google.com as the
selected site, the access ratio of IPv4 and
IPv6 during a day. The latest (today's) access data is rightmost.
The orange bar means IPv4 access, green bar means IPv6 access.
Get
you own gadget from
inetcore.com/project/46meter/ |
See also: Regional registry IPv4 address exhaustion countdown
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CommsDay - Telecom news and analysis in Australia and the Asia-Pacific
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Australian Government sites ...
Communications and technology for consumers
>> Broadband and Internet
>> Broadband for Consumers
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China Builds a Better Internet (with IPv6) -
Americans have been hogging Internet addresses for decades, leaving late-comers like China to divvy up the few remaining slivers.
But China is fighting back by vaulting to an addressing standard that could rewrite the rules of the Internet—and business innovation—for decades to come.
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Header Drawings -
some drawings for the structure of the headers for IP, TCP, UDP and ICMP
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Port Forward -
help and tools for setting up port forwarding on your router or firewall.
(Because "Many Internet users are not aware of how to configure their router or firewall
in order to use applications like Peer-to-Peer file sharing (PtoP), Internet Games, Web serving,
FTP serving, WebCams, IRC DDC, and Instant Messaging such as AIM, ICQ, Yahoo and MS Messenger.")
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IPv4 Address Space Report - as at 02 November, 2005, predicts:
- Complete exhaustion of all available IPv4 address space by: July 2022
- Exhaustion of the IPv4 unallocated address pool by March 2013
- But then read
A Pragmatic Report on IPv4 Address Space Consumption (September
2005) which is not so optimistic: ... "the sustained trend in allocation
growth rate suggests that the lifetime of the remaining central IPv4 pool is
4 years +/-1." ... "Now is the time to recognize the end to sustainable
growth of the IPv4-based Internet has arrived and that it is time to move
on. IPv6 is ready." ... "The recent consumption rates of IPv4 will not be
sustainable from the central pool beyond this decade [year 2010], so
organizations would be wise to start the process of planning for an IPv6
deployment now. Those who delay may find that the IANA pool for IPv4 has run
dry before they have completed their move to IPv6. Although that may not be
a problem for most, organizations that need to acquire additional IPv4 space
to continue growing during the transition could be out of luck."
- And a comment:
Out of IPv4 Addresses in Five Years?
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Next Generation TCP/IP Stack in Windows Vista and Windows Server "Longhorn" -
the TCP/IP protocol stack provided with Windows XP and Windows Server 2003 was originally designed in the early 1990s and was modified and enhanced over time
to meet the needs of home and enterprise users. The Next Generation TCP/IP stack in Windows Vista and Windows Server "Longhorn" is a complete redesign of TCP/IP
functionality for both Internet Protocol version 4 (IPv4) and Internet Protocol version 6 (IPv6) that meets the connectivity and performance needs
of today's varied networking environments and technologies.
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A Computer Geek's History of the Internet
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35 Easy Fixes for Network Problems -
help from MSN for real-world hassles--from dead spots to security threats to streaming-media hiccups.
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Breaking Network Logjams -
An approach called network coding could dramatically enhance the efficiency and reliability
of communications networks. At its core is the strange notion that transmitting evidence about messages
can be more useful than conveying the messages themselves.
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Peculiarities of Cyberspace - Building Blocks for an Internet Sociology (English version) -
Albert Benschop starts off: "Computers all over the world are connected with each other via high-speed
telecommunication lines. Behind their screens there are people of all nationalities, all ethnic-cultural groups,
social classes and professions, of all religions and political convictions, of all ages and life-styles, of both
sexes who together, but also among themselves show such a rich diversity of preferences and disfavors, expectations
for the future and fears, likes and dislikes." ...
Dutch version -
"Internet is een nieuw medium waarmee mensen vanaf elke gewenste plaats en vanaf elk gewenst tijdstip met elkaar kunnen
communiceren. Communicatie is uitwisseling van informatie, maar ook zingeving of interpretatie aan informatie. Internet
is in technologisch en sociologisch opzicht de meest belangwekkende gebeurtenissen van het einde van de vorige eeuw."
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Networking Theory ...
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Professor Shivkumar Kalyanaraman's Online Audio and Video Lectures on Computer Networking
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Connected: An Internet Encyclopedia -
"an attempt to take the Internet tradition of open, free protocol specifications, merge
it with a 1990s Web presentation, and produce a readable and useful reference to the technical operation of the Internet."
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Understanding IP Addressing
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Networking Basics - Architecture -
Discusses three network architectures in exploring the basics of LAN network protocol and topology - Ethernet, ARCnet, Token Ring
>> Differences between Network Architectures
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Oslo University College - Networking course materials online
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Network Protocols Handbook & poster -
the Network Communication Protocols Map (poster)
"includes protocols from all data network communication and telecommunication standard organizations
such as IEEE, IETF, ITU, and ISO, plus leading technology vendors such as Cisco, IBM, Microsoft, HP, Bell Labs, SUN, Novell and Apple.
It covers protocols of all technology domains in network communication such as TCP/IP, VoIP, SAN, Security, VPN,
LAN (including Ethernet), MAN, WAN (including ATM) and UNIX."
-
NetworkingCertifications.com
and VPNtools.com
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Communications Server for z/OS V1R7 TCP/IP, Volume 1 -
Volume 2 -
Volume 3? -
Volume 4 ...
"For more than 40 years, IBM® mainframes have supported an extraordinary portion of the world's computing work - providing centralized corporate
databases and mission-critical enterprise-wide applications. The IBM System z9™, the latest generation of IBM’s distinguished family of mainframe systems,
has come a long way from its IBM System/360™ heritage. Likewise, its z/OS® operating system is far superior to its predecessors - providing, amongst many
other capabilities, world-class, state-of-the-art, support for the TCP/IP Internet protocol suite. ... TCP/IP is a large and evolving collection of communication
protocols managed by the Internet Engineering Taskforce (IETF) - an open, volunteer, organization. Because of its openness, the TCP/IP protocol suite
has become the foundation for the set of technologies that form the basis of the Internet. The convergence of IBM mainframe capabilities with Internet technology,
connectivity, and standards - particularly TCP/IP - is dramatically changing the face of information technology and driving requirements for ever more secure,
scalable, and highly available mainframe TCP/IP implementations."
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Netcomm Learning Centre -
provides background information essential for understanding PC networking, the Internet,
and broadband connections, for non-specialist users.
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Understanding How to Use and Adopt IP Telephony -
Enticed by cheap long distance? Don't be fooled. The value of IP telephony lies elsewhere: in collaboration,
the agile efficiencies of voice recognition and centralized network management. But will it save you money?
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Troubleshooting Networks
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Handbook of Local Area Network Testing
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Biggest Networking Myth of 2004 - More Bandwidth Gives You Better Performance -
"Speed and efficiency count. Networks carry huge volumes of mission-critical data - including financial, logistics,
customer, inventory - and there is little room for error. Enterprise-wide applications can be brought to a crawl by traffic
jams on the network. ... As bandwidth becomes more constrained, traffic engineering and
prioritization become more important."
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10 ways to improve network performance
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Boost your broadband speed for free -
About maxing-out your broadband connection: including interleaving, fine tuning MTU settings,
firmware updates, ADSL filters and splitters, and electrical noise in your wiring.
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HomeNetHelp -
"the home computer networking and Internet connection sharing resource"
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10 tips for improving your wireless network -
Is your wireless signal stronger in some parts of your home than in others? You can extend
the range and strength of your wireless network by following these simple tips.
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The Security Plan for Your Wireless LAN -
the five security areas that will help you and your users get the most from a wireless LAN, without all the nightmares.
- Network Uptime
-
From
Vicomsoft ...
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NDIS Developer's Reference - NDIS is short for the "Network Driver Interface Specification".
The primary purpose of NDIS is to define a standard API for "Network Interface Cards" (NICs).
The details of a NIC's hardware implementation is wrapped by a "Media Access Controller" (MAC) device driver in such a way that
all NIC's for the same media (e.g., Ethernet) can be accessed using a common programming interface. NDIS also provides a library of functions
(sometimes called a "wrapper") that can be used by MAC drivers as well as higher level protocol drivers (such as TCP/IP). The wrapper functions
serve to make development of both MAC and protocol drivers easier as well as to hide (to some extent) platform dependencies.
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DSTC -
Distributed Systems Technology Centre (Australia) - Key
technology areas for DSTC include Workflow, CORBA, Java, XML,
Distributed Object Middleware, Internet Systems, Knowledge Management,
Metadata, Collaborative Computing, GroupWare, Security and Network
infrastructure. DSTC is active in key international standards bodies
such as W3C, JCP, the OMG and IETF.
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BroadcastPapers.com ...
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The Future of the Network (Sun Microsystems)
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Distributed Computing Economics -
considers the relative costs of computing resources and the implications this has for distributed system design.
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Why Web Applications Can be Problematic and Unreliable -
a fundamental source of all these problems is the HTTP communication
layer of the Web, based on the HTTP "Request/Response" model.
Initially designed for presenting and sharing hyperlinked documents
in the form of Web pages, the Internet has since evolved far beyond
simply supporting browsing activity and is now being utilized as an
interactive platform for supporting mission-critical enterprise
applications. ... The messaging layer does not support guaranteed
message delivery, nor does it guarantee the order of message
delivery. Further, the Web's messaging layer does not support
server-initiated or server-push communications; it supports client-pull only. ...
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PURL - Persistent Uniform Resource Locator - "The now-familiar Uniform Resource Locator (URL)
can change at the whim of hardware reconfiguration, file system reorganization, or changes in organizational structure, leaving users
stranded in 404 limbo... Document Not Found. ... The general solution to this problem is the development of Uniform Resource Names, or URNs. ... To aid
in the development and acceptance of URN technology, OCLC has deployed a naming and resolution service for general Internet resources. The names, which can be
thought of as Persistent URLs (PURLs), can be used both in documents and in cataloging systems. PURLs increase the probability of correct resolution and
thereby reduce the burden and expense of catalog maintenance."
-
NetAction
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The Eight Fallacies of Distributed Computing (by Peter Deutsch)
>> Essentially everyone, when they first build a distributed application, makes the following eight assumptions.
All prove to be false in the long run and all cause big trouble and painful learning experiences ...
|
The Eight Fallacies of Distributed Computing - "Deutsch's Fallacies"
|
| 1. |
The network is reliable |
| 2. |
Latency is zero |
| 3. |
Bandwidth is infinite |
| 4. |
The network is secure |
| 5. |
Topology doesn't change |
| 6. |
There is one administrator |
| 7. |
Transport cost is zero |
| 8. |
The network is homogeneous |
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See also
James Gosling's view
-
Fallacies of Distributed Computing Explained
- From IBM ...
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CSIRO >>
Telecommunications and Industrial Physics
(TIP)
-
WKMN Training
- Security expert recommends 'Net diversity -
the latest security threats and what network executives can do to mitigate them. "The whole enterprise is no longer an island;
it's an archipelago of islands that need to be protected individually, even down to the single-machine level.
This means that you have to treat all of those machines as outside your perimeter for purposes not only of protecting them
but of protecting your other machines from them. So when somebody comes back in with a laptop after they've been off-site,
you can't trust it simply because it's a company-issued laptop unless you have applied specific control measures.
This mode of thinking has to go down to the individuals who are using the systems....
With network diversity, they won't have to reboot the entire enterprise. In fact, if they have diversity
and appropriate alarms in place, they may detect the attack sooner."
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Broadband Internet Access Guide -
Broadband internet access articles covering all aspects of high speed internet. Broadband related terms defined and questions answered.
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