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A unique local address (ULA) is an Internet Protocol version 6 (IPv6) address in the address range fc00:: / 7. [1] These addresses are non-globally reachable [ 2 ] (routable only within the scope of private networks, but not the global IPv6 Internet).
Telus has deployed IPv6 support for business services and residential customers with 61.23% IPv6 usage in August 2021 according to World IPv6 Launch measurements. [ 92 ] Origen Telecom [ 93 ] is a Canadian internet service provider operating in Montreal and Toronto, and supports IPv6 connectivity for its business clients.
The American Registry for Internet Numbers (ARIN) is the regional Internet registry for the United States, Canada, and many Caribbean and North Atlantic islands. ARIN manages the distribution of Internet number resources, including IPv4 and IPv6 address space and AS numbers.
Shared address space [4] for communications between a service provider and its subscribers when using a carrier-grade NAT 127.0.0.0/8 127.0.0.0–127.255.255.255
An IPv6 packet is the smallest message entity exchanged using Internet Protocol version 6 (IPv6). Packets consist of control information for addressing and routing and a payload of user data. The control information in IPv6 packets is subdivided into a mandatory fixed header and optional extension headers.
It is also possible to declare an area both totally stubby and not-so-stubby, which means that the area will receive only the default route from area 0.0.0.0, but can also contain an autonomous system boundary router (ASBR) that accepts external routing information and injects it into the local area, and from the local area into area 0.0.0.0.
While IPv4 uses 32 bits for addressing, yielding c. 4.3 billion (4.3 × 10 9) addresses, IPv6 uses 128-bit addresses providing c. 3.4 × 10 38 addresses. Although adoption of IPv6 has been slow, as of January 2023, most countries in the world show significant adoption of IPv6, [10] with over 41% of Google's traffic being carried over IPv6 ...
At the area border router, selected type-7 LSAs are translated into type 5-LSAs and flooded into the backbone. 8 Link-local LSAs (OSPFv3) Each internal router within an area Link A Type 8 LSA is used to give information about link-local addresses and a list of IPv6 addresses on the link.