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Specify the compression window sizes for zstd-d and br-d #2769

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Apr 8, 2024
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Specify the compression window sizes for zstd-d and br-d #2769

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03ad337
Specify the compression window sizes for zstd-d and br-d
pmeenan Apr 3, 2024
828b392
Switched content encoding definitions to a list and point the IANA re…
pmeenan Apr 4, 2024
e22f620
Added the window sizes back to the IANA entries
pmeenan Apr 5, 2024
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24 changes: 12 additions & 12 deletions draft-ietf-httpbis-compression-dictionary.md
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Expand Up @@ -300,12 +300,12 @@ negotiating content encoding in HTTP.

This document introduces two new content encoding algorithms:

|------------------|----------------------------------------------------|
| Content-Encoding | Description |
|------------------|----------------------------------------------------|
| br-d | Brotli using an external compression dictionary |
| zstd-d | Zstandard using an external compression dictionary |
|------------------|----------------------------------------------------|
|------------------|--------------------------------------------------------------------------------------------|
| Content-Encoding | Description |
|------------------|--------------------------------------------------------------------------------------------|
| br-d | Brotli using an external compression dictionary and a compression window of up to 16 MB. |
| zstd-d | Zstandard using an external compression dictionary and a compression window of up to 8 MB. |
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|------------------|--------------------------------------------------------------------------------------------|
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The dictionary to use is negotiated separately and advertised in the
"Available-Dictionary" request header.
Expand Down Expand Up @@ -345,12 +345,12 @@ Vary: accept-encoding, available-dictionary
IANA is asked to update the "HTTP Content Coding Registry" registry
({{HTTP}}) according to the table below:

|--------|---------------------------------------------------------------------------------------|-------------|
| Name | Description | Reference |
|--------|---------------------------------------------------------------------------------------|-------------|
| br-d | A stream of bytes compressed using the Brotli protocol with an external dictionary | {{RFC7932}} |
| zstd-d | A stream of bytes compressed using the Zstandard protocol with an external dictionary | {{RFC8878}} |
|--------|---------------------------------------------------------------------------------------|-------------|
|--------|--------------------------------------------------------------------------------------------------------------------------------|-------------|
| Name | Description | Reference |
|--------|--------------------------------------------------------------------------------------------------------------------------------|-------------|
| br-d | A stream of bytes compressed using the Brotli protocol with an external dictionary and a compression window of up to 16 MB. | {{RFC7932}} |
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| zstd-d | A stream of bytes compressed using the Zstandard protocol with an external dictionary and a compression window of up to 8 MB. | {{RFC8878}} |
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|--------|--------------------------------------------------------------------------------------------------------------------------------|-------------|

## Header Field Registration

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