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Add reference to HLA S-LaWA Community Report #61

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5 changes: 4 additions & 1 deletion README.md
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Expand Up @@ -218,7 +218,7 @@ This proposal is being evaluated against the [Use Cases and Requirements for Sta

### SVGMap, Hyper-Layering Architecture (HLA) and Layers as Web Apps (LaWAs)

[SVGMap](https://discourse.wicg.io/t/vector-tiling-on-svgmap/3135) and its Hyper-Layering Architecture (HLA), developed by Satoru Takagi from W3C member KDDI Corporation, represents a complementary approach to web mapping that shares MapML's commitment to hypermedia principles and decentralization while taking a different architectural path.
[SVGMap](https://discourse.wicg.io/t/vector-tiling-on-svgmap/3135) and its [Hyper-Layering Architecture (HLA)](https://svgmap.github.io/presentations/W3C_Maps4HTMLCG/HyperLayeringArchitectureCommunityReport.html), developed by Satoru Takagi from W3C member KDDI Corporation, represents a complementary approach to web mapping that shares MapML's commitment to hypermedia principles and decentralization while taking a different architectural path.

**Shared Philosophy:**
- Both embrace HATEOAS (Hypertext as the Engine of Application State)
Expand Down Expand Up @@ -283,6 +283,9 @@ The SVGMap/HLA proposal raises important architectural questions that require fu

These are valuable questions for the broader web mapping standardization discussion.

**Update (May 2026):** The HLA community has published a Community Group Report documenting **S-LaWA (Sandboxed LaWA)**, an implementation that addresses the security concerns noted above — DOM isolation via iframe sandboxing, explicit author control through `data-lawa-mode`, and message-based integration. See [HLA Community Report §7](https://svgmap.github.io/presentations/W3C_Maps4HTMLCG/HyperLayeringArchitectureCommunityReport.html#security-and-isolation).


**The Path Forward:**

A unified proposal incorporating both approaches could offer:
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