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site level aggregation (IPv6) (SLA)

The Site Level Aggregation (SLA) is a 16-bit long data field in the addressing area of the IPv6 protocol, which represents the lowest level of the address, after Next Layer Aggregation ( NLA) and Top Level Aggregation( TLA), and follows the Next Level Aggregation data field.

The 16-bit Site Level Aggregation data field can be used to address 65,535 (`2^16-1`) different networks, resulting in correspondingly comprehensive routing tables.

IPv6 address formats

IPv6 address formats

Due to the division of the address space into Top Level Aggregation (TLA), Next Level Aggregation (NLA) and Site Level Aggregation (SLA), the routingeffort of the IPv6 protocol is limited to the relevant address part in the respective level aggregation, especially since the address range of the Site Level Aggregation can be divided into further hierarchy levels for network aggregation.

Englisch: site level aggregation (IPv6) - SLA
Updated at: 22.01.2022
#Words: 127
Links: data, field, addressing, area, Internet protocol version 6 (IPv6)
Translations: DE

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