Dynamic resource allocation in LR-PON
-
Upload
lei-guan -
Category
Technology
-
view
177 -
download
2
Transcript of Dynamic resource allocation in LR-PON
Dynamic Resource Allocation in LRDynamic Resource Allocation in LRDynamic Resource Allocation in LRLei Guan, Séamas McGettrick, Alan Hill, David B. Payne
Problems: Upstream Traffic Congestion Potential Solutions: DBA & DWA
Dynamic Bandwidth Allocation
Dynamic Wavelength AllocationDynamic Wavelength AllocationSimplified LR-PON Architecture
Technical Perspective
Our work focus on:1) DBA for 512 1) DBA for 512 2) Meet the fairness requirement;3) Minimize the overhead;3) Minimize the overhead;4) Minimize the average latency;
Max ONU number per PONMax ONU number per PON
Max active user number per ONU
Max TSimplified Relation of Upstream Service Bandwidth (BW) to ONU Bandwidth
Max T
Meet your various bandwidth Meet your various bandwidth Meet your various bandwidth needs dynamicallyneeds dynamically
Dynamic Resource Allocation in LR-PONDynamic Resource Allocation in LR-PONDynamic Resource Allocation in LR-PONLei Guan, Séamas McGettrick, Alan Hill, David B. Payne, Marco Ruffini
End User PerspectiveNetwork Operator Perspective
Fairness among ONUs /T-conts QoS or QoE indicationNetwork ThroughputFairness among ONUs /T-conts QoS or QoE indicationNetwork Throughput
Packets DroppingPackets Dropping
Average Packets Delay Long LatencySystem EfficiencyAverage Packets Delay Long LatencySystem Efficiency
Ongoing Work on Algorithm Ongoing Work on Evaluation Platform
Our work focus on:DBA for 512 - 1024 ONUs;DBA for 512 - 1024 ONUs;Meet the fairness requirement;Minimize the overhead;Minimize the overhead;Minimize the average latency;
Technical aspect ValueTechnical aspect Value
Reach (distance) 100 – 125 km
Transmission RTT 1 ms for 100 kmTransmission RTT(5 us/km)
1 ms for 100 km1.25 ms for 125 km
Max ONU number per PON 1024Max ONU number per PON 1024
active user number per ONU 4
Max T-cont number per user 4Proposed Hardware-based Testing Platform
Max T-cont number per user 4