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Justification: A global request for DGN can generate a lot of traffic, especially if the DGN is universally supported. We do not want to completely ban global requests, but limit their use to avoid DGNs that might cause a traffic jam.

Text: Insert immediately after Table 3.2.4.3b.

"Global requests may generate large bursts of traffic and should be used only in limited circumstances. They are specifically not allowed for requests to PRODUCT_ID, ADDRESS_CLAIM, and DM_RV."