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Wireless Glossary

DiffServ (Differentiated Services)

Differentiated Services, consistent with RFC 2474. A byte in the type of service (TOS) field of packets whose values correlates to the channel on which the packet should be sent. The value is a numeric code point. Motorola Canopy, for example, maps each of 64 code points to values of 0 through 7. Three of these code points have fixed values, and the remaining 61 are settable. Values of 0 through 3 map to the low-priority channel; 4 through 7 to the high-priority channel. The mappings are the same as 802.1p VLAN priorities. Among the settable parameters, the values are set in the AP for all downlinks within the sector and in the SM for each uplink.

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