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just grammatical changes here
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@ -9,7 +9,7 @@ the world, as observed in the Internet routing tables.
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<img src="./Section5_Table2.jpg" alt="Table shows 18% annual IPv6 growth 2018 to 2022">
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The percentage of IPv6-capable ASNs is growing over the years, which is
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a good sign. On the other hand, the table does not allow to understand
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a good sign. On the other hand, the table does not distinguish
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the degree of adoption across the different industries, that is whether
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the ASNs are associated to a carrier, a service provider or an
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entreprise. To zoom in at that level, it is necessary to look at more
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@ -26,7 +26,7 @@ Comcast, T-Mobile and Verizon all exceed 70% of IPv6 use in their
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networks. In Europe, both Belgium and Germany reach 50% of IPv6 traffic.
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Proximus, Telenet, DT, Telefonica Germany, Versatel and Vodafone Germany
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range from 50% to 70%. India shows 51% IPv6 adoption. Carriers there
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also have high IPv6 rate. Bharti, Reliance Jio and Vodafone India find
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also have a high IPv6 rate. Bharti, Reliance Jio and Vodafone India find
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themselves between 60% and 70%.
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Whilst it cannot be gneralized, in countries with lower IPv6 adoption
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@ -7,14 +7,14 @@ IPv6 readiness from outside the enterprise's network.
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[NIST](https://fedv6-deployment.antd.nist.gov/cgi-bin/generate-com)
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provides a method to infer whether US enterprises support IPv6 by
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checking its external services, such as the availability of Domain Name
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System (DNS) AAAA records, of an IPv6-based mail service and of the
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System (DNS) AAAA records, an IPv6-based mail service, or the
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support of IPv6 on their website. The same method can be applied to
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[Chinese](http://218.2.231.237:5001/cgi-bin/generate) and
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[Indian](https://cnlabs.in/IPv6_Mon/generate_industry.html) enterprises.
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DNS has a good support in all cases: more than 50% of the enterprises in
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the three economies considered have AAAA records, a sign that IPv6
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support is generally available. The same cannot be said or the other
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support is generally available. The same cannot be said of the other
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services that have much lower adoption.
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\[[RFC9386](https://www.rfc-editor.org/info/rfc9386)\] provides other
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statistics about more specific industry domains.
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@ -41,8 +41,8 @@ resources will be organizational size. The size of a given organization
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often (but not always) dictates the criticality of networking resources
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which includes both physical assets (routers, switches, security
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appliances) as well as human resources, and the level of skill available
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either by direct employment or by contacted assistance. Also included in
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these resources is the logical elements requires for a presence on the
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either by direct employment or by contracted assistance. Also included in
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these resources is the logical elements required for a presence on the
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global internet in the manner of addressing. Larger or more mature
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organizations may already posses network resources such as Autonomous
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System Numbers (ASNs), legacy IP resources, and possibly existing
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@ -92,7 +92,7 @@ Provider Assigned (PA) address space consists of address space that is
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assigned to a specific upstream provider and sub-delegated to a
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customer.
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If receiving PA from an upstream provider designs such as multihoming is
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If receiving PA from an upstream provider, designs such as multihoming is
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a more involved process that will involve coordination with the upstream
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transit provider that owns the IP resources. (See
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\[[6. Multi-prefix operation](../6.%20Management%20and%20Operations/Multi-prefix%20operation.md)\]
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@ -48,8 +48,8 @@ There is a caveat, though, we may want to consider. The method used by
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APNIC cannot be fully employed in China, due to local policy filtering
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traffic from abroad. An independent
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[Chinese research](https://www.china-ipv6.cn/#/activeconnect/simpleInfo)
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reports 713 millions measured IPv6 customers as of September 2022,
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against the 220 reported by APNIC. If we add the difference between the
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reports 713 million measured IPv6 customers as of September 2022,
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against the 220 million reported by APNIC. If we add the difference between the
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two statistics to the global count, we end up with a Ratio of 43.68% in
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September 2022, not that far from the "psychological" threshold of 50%.
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