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spacer.gif   Hiroshi Esaki - Spotlight on IPv6 Challenges
Posted by : forum on Monday, December 18, 2006 - 01:30 PM
IPv6 Forum Information

An IPv6 Task Force SC Initiative

  • What are the challenges IPv6 is facing today in the market?
    1. Routing reachability of IPv6 transport.
    We observed some networks, that does have Ipv6 transport but does not have global connectivity by IPv6. Since the IPv6 address can be resolved by the IPv4 transport DNS query, once the IPv6 network does not have IPv6 global connectivity actual IP connection cannot established.
    2. Operational experiences
    Many network operators and system designers do not have any practical IPv6 networking.

  • Does IPv6 need a killer application to achieve accelerated deployment?
    1. Basically, VISTA by Microsoft would provide a big impact on the deployment of IPv6 network.
    2. There are huge poential market segments, that have not used IP technology. The people in these market does not care IP version, since it would be the first indtroduction of IP in their system. Facility networking, building automation, sensor networking would be some good exampled market segments.

  • Do you have any opinion on when we'll see IPv6 uptake globally?
    The end of 2007 would be the first time-frame, i.e., after the release of VISTA by Microsoft. The next time-frame would be 2010, when boradcast system will going to be digitaized.

  • When do you expect IPv4 addresses to become exhausted?, can you foresee other solution than IPv6 for a global Internet?
    Most of ISPs have already they must go to IPv6. They realize that it is avoidable, anymore. With other reason would be dueot the price and cost of IPv4 address maintenance. Already, in Japan, some large scale networking go with IPv6, since the cost of IPv4 is too expensive. Of course, they have realized the benefit of using the global IP address, as a long run. They know the cost of trouble shooting, the importance of end-to-end authentication or the cost of system merging with NAT.

  • What are in your opinion the biggest flaws of IPv6? Can they be tackled?
    At this time, the cost of network modification to enable their network IPv6 capabile. Engineers and operators of the equipment manufacturing and system operation.

  • What real benefits can IPv6 bring to end-users?
    1. By the introduction of IP technology into the system, that has not used IP technology, can be open system, leading to cost down for the end-users.
    2. Easy and less cost for the use of global IP address.
    3. Accellaration of contenct distribution and circulation.

  • Do you think security will be better with IPv6 than currently with IPv4, or is this a completely independent issue?
    Security itself is the same among IPv4 and IPv6, since the security is not only related with IP layer/module, but also for the other functions/modules/layers. However, when we look the IP layer/module, using the global IP address significantly improve the security. As we observed, recent deployment of IPSec for VPN service is amazing, even for us, This is because lower layer security is always easier and better than at the high layer.
    Also, the identification of end-station, that has the security problem, is recognized very important and very effective for robust operation, as well as faster toubleshooting.

  • Does IPv6 offer better privacy?
    It should be the same for IPv6 and IPv4. There is a opinion that allocating global IP(v6) address allow the individual tracing by some bad end-user. However, it 'is" actually very hard to do. Also, already, ISP will use DHCP for many users, who need global IP address but do not permanent global IP address. As for the users, who need permanent IP address, the issue on privacy theexactly the same for IPv4 and IPv6.
    We have many Randezvous system to meet the end-stations with global IP address, that are not permantly allocated to the end-stations.
    We must distinguish "permanent" global address and "non-permanent" global address.

  • Will applications become easier to deploy?
    Since a lot of installation base and engineers developping the application is familer with IPv4, development and deployment of IPv6 is not easy. However, when we can introduce them NAT free network, the development and deployment of the application should be eaiser than for the network, that must consider the existance of NAT. Yes, the programing branch and case can be reduced by the introductionof NAT-free network environment.

  • Do you see any major differences in training engineers for IPv6+IPv4?
    Routing design requires larger consideration. However, this should be the same level as the designing VPN with private IP addresses.

Political & Business Issues:

  • What are the drivers for IPv6?
    1. The reduce of total RoI (Return of Investiment).
    2. New business segments, that introduce IP technology.
    3. NGN and FMC.
    4. Contents delivery service, e.g., digital TV broadcasting

  • Is there a business case for IPv6?
    1. IP-phone system in nation-wide dormitries (20,000 handsets and 280 sites, in 18 month)
    2. IP-phone and Streaming service in NTT West, as Flets Premium
    3. FamilyMark store, nation-wide convenience store, networking. (7,000 stores in one year deployment)
    4. IPv6 based backbone building management and controlling systems (more than ten buidings)
    5. Tokyo metropolitan office facility and buiding management system

  • Does IPv6 have to demonstrate an ROI?
    Yes. Already, the above example are considering the ROI, and their consideration result was positive, i.e., impovement of ROI, as a long run.

  • Can IPv6 be a turning point regarding the global Internet?
    Probably yes. A lot of things are coincidate with the introduction of IPv6. Integration with real-space, digital contents distribution, sensor networking.

  • Why is Europe and the US lagging behind? And Is Asia really ahead of them?
    I do not think Asia is ahead of Europe and North America. Espacially, many network equipment vendors in North America has already let their products IPv6 ready. Only one reason might be the maintanence cost of global IPv4 address. Relatively, in Asia, the price and cost of IPv4 global address would be higher than in Europe or in North America.

  • Can China take leadership and become the center of new Internet solutions?
    Maybe or maybe not. However, China will be larege share holder as for number of users and as for the number products shipping to the global space.

  • What's the societal impact?
    Accellaration of peer-to-peer application. This leads the effective individual communication. Opinion of individuals and contents produced by individuals can be effectively and easily shared. Also, the increase of contents sharing and circulation would change the industrial structure of mass-communication industry. Already, the video and music distribution business has been in the process of changing the structure.

  • Can IPv6 empower the citizen?
    Yes. With less cost, the digital devices can be connected to each other.

  • What do you think about the current worldwide public addressing distribution process?
    As is should be fine. This means that allocating the addresses based on the actual request of usage is healthy. Only bad side would be that the address space is devided in reagins (Asia, Africa, North America, Europe, South Africa). The activity of people and enterprise is already global.

  • Can the IPv4 address shortage be used as a monopoly resource to control the Internet? Would there be a black market for IPv6?
    No, I do not think so. When we have good IPv6 global network. IPv4 will be gradually disappear. It will be the matter of cost.

  • Can Europe, and the World - one day - bear with the fact that the public Internet can't grow anymore because the addresses ran out? Can business live and thrive without that growth?
    Business continuation is ctritical for everubody. Therefore, when we can not have develop global IPv6 network, before running out of IPv4 address, the networking will be very costly, and it will give very bad effection on the economy.

  • What's the business impact of not doing IPv6?
    As answered above. Business continuation cost.

  • Can government play a role in driving IPv6 deployment?
    Not so much, actually. But, they could show the proof of technology by the actual operation of IPv6 network.

  • How would you qualify the support awarded by your government to IPv6 deployment?
    Japanese government should have actual demonstration on thier operational network. This should be a big impact in the industry, as the demonstration proofing the maturality of IPv6 technology.

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