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protocol (MAC) messages to direct the traffic, which can use either ringlet of the ring. The nodes also negotiate for bandwidth among themselves using fairness algorithms, avoiding congestion and failed spans. The avoidance of failed spans is accomplished by using one of two techniques known as
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ring networks. The standard began development in
November 2000 and has undergone several amendments since its initial standard was completed in June 2004. The amended standards are 802.17a through 802.17d, the last of which was adopted in May 2011. It is designed to provide the
183:. Under steering, if a node or span is broken, all nodes are notified of a topology change and they reroute their traffic. In wrapping, the traffic is looped back at the last node prior to the break and routed to the destination station.
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RPR works on a concept of dual counter rotating rings called ringlets. These ringlets are set up by creating RPR stations at nodes where traffic is supposed to drop, per flow (a flow is the ingress and egress of data traffic). RPR uses
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ring, in which the bandwidth is consumed around the entire ring) it can reuse the freed space to carry additional traffic. The RPR standard also supports the use of learning bridges (
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networks (50 ms protection) but, instead of setting up circuit oriented connections, provides a packet based transmission, in order to increase the efficiency of
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One drawback of the first version of RPR was that it did not provide spatial reuse for frame transmission to/from
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342:"IEEE-SA Standards Board Project Authorization Request (PAR) (2000-Rev 1)"
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49:. Unsourced material may be challenged and removed.
359:"IEEE 802.17 Resilient Packet Ring Working Group"
376:IEEE 802.17 Resilient Packet Ring Working Group
223:Another concept within RPR is what is known as
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109:Learn how and when to remove this message
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272:Ethernet Automatic Protection Switching
191:All traffic on the ring is assigned a
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47:adding citations to reliable sources
254:802.17b, which defines an optional
187:Class of service and traffic queues
317:Ethernet Ring Protection Switching
16:Technology for computer networking
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34:needs additional citations for
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151:Synchronous Digital Hierarchy
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1707:IEEE Standards Association
197:committed information rate
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307:Dynamic Packet Transport
256:spatially aware sublayer
250:. This was addressed by
1712:Category:IEEE standards
209:excess information rate
58:"Resilient Packet Ring"
301:Nokia Siemens Networks
297:Open Transport Network
277:Spatial Reuse Protocol
122:Resilient Packet Ring
1738:Network architecture
172:Media Access Control
43:improve this article
287:Metro Ring Protocol
246:not present in the
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165:Technical details
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795:WiMAX · d · e
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248:ring topology
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219:Spatial reuse
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60: –
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54:Find sources:
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38:
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32:This article
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99:October 2016
96:
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79:
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65:
53:
41:Please help
36:verification
33:
1274:legacy mode
237:IEEE 802.1Q
233:IEEE 802.1D
1727:Categories
1652:Superseded
723:802 series
328:References
161:services.
143:resilience
69:newspapers
1527:Bluetooth
145:found in
132:standard
1733:IEEE 802
1702:See also
1659:754-1985
1616:Proposed
960:Ethernet
446:Revision
266:See also
213:Internet
181:wrapping
177:steering
155:Ethernet
1643:P1906.1
1504:Wi-Fi 8
1480:Wi-Fi 7
1446:Wi-Fi 6
1395:Wi-Fi 5
1340:Wi-Fi 4
419:Current
201:latency
83:scholar
1547:Zigbee
1515:802.15
1255:802.11
493:1149.1
205:jitter
134:802.17
85:
78:
71:
64:
56:
1638:P1823
1633:P1699
1628:P1619
1623:P1363
1405:WiGig
1269:-1997
1260:Wi-Fi
969:-1983
955:802.3
837:802.1
713:42010
708:29148
703:16326
698:16085
693:14764
688:12207
683:11073
345:(PDF)
321:ITU-T
311:Cisco
281:Cisco
147:SONET
90:JSTOR
76:books
1689:1471
1684:1364
1679:1362
1674:1233
1669:1219
939:LACP
678:2050
673:2030
668:1905
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518:1284
513:1278
508:1275
503:1164
498:1154
488:1076
483:1016
478:1014
473:1003
252:IEEE
229:SNCP
203:and
179:and
157:and
149:and
130:IEEE
62:news
1664:830
1588:.4z
1583:.4g
1578:.4f
1573:.4e
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426:488
260:SAS
239:).
126:RPR
45:by
1729::
1603:.7
1598:.6
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1543:.4
1538:.3
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1523:.1
1499:bn
1494:bk
1491:bi
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