DSAP
E406983
DSAP (Destination Service Access Point) is a field in IEEE 802.2 LLC headers that identifies the destination logical service or protocol endpoint within a networked device.
All labels observed (1)
| Label | Occurrences |
|---|---|
| DSAP canonical | 3 |
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
IEEE 802.2 LLC field
ⓘ
protocol header field ⓘ |
| abbreviationOf | Destination Service Access Point ⓘ |
| appearsIn | LLC header first octet ⓘ |
| bitLength | 8 bits ⓘ |
| category |
data link layer addressing
ⓘ
networking ⓘ |
| definedIn |
IEEE 802.2
ⓘ
surface form:
IEEE 802.2 LLC specification
|
| demultiplexes | incoming frames to appropriate higher-layer handler ⓘ |
| distinguishes | multiple higher-layer protocols on same link ⓘ |
| encapsulatesInformationAbout | destination protocol or service ⓘ |
| exampleValue | 0xAA ⓘ |
| exampleValueUsage | SNAP extension ⓘ |
| fieldType | addressing field ⓘ |
| fullName | Destination Service Access Point ⓘ |
| hasBit | Individual/Group (I/G) bit ⓘ |
| I/G bitMeaning |
0 indicates individual address
ⓘ
1 indicates group address ⓘ |
| I/G bitPosition | most significant bit ⓘ |
| interpretedBy | LLC sublayer ⓘ |
| layer | OSI Layer 2 ⓘ |
| pairedField | SSAP ⓘ |
| partOf |
IEEE 802.2
ⓘ
surface form:
IEEE 802.2 Logical Link Control header
|
| purpose |
identify destination logical service access point
ⓘ
identify destination protocol endpoint within a device ⓘ |
| relatedConcept |
IEEE 802.2
ⓘ
surface form:
Logical Link Control (LLC)
MAC sublayer ⓘ Service Access Point (SAP) ⓘ |
| roleInFrame | selects destination service access point ⓘ |
| scope | intra-node protocol demultiplexing at data link layer ⓘ |
| subLayer | OSI data link layer LLC sublayer ⓘ |
| usedInStandard | IEEE 802.2 ⓘ |
| usedOver |
IEEE 802.11
ⓘ
IEEE 802.3 Ethernet standard ⓘ
surface form:
IEEE 802.3 Ethernet
other IEEE 802 LAN technologies ⓘ |
| usedWith | SSAP ⓘ |
| valueRange | 0x00–0xFF ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.