Tradeoffs Network High Utilization Proportionality Network Proportionality BWA=1/2 C BWB=1/2C A A B B B B
Tradeoffs L B1 B3 B2 B4 A1 A3 A2 A4 BwB = 1/2 C BwA = 1/2 C Network Proportionality Network High Utilization Proportionality
Tradeoffs Network High Utilization Proportionality Uncongested path A ≠(A B AABB B
Tradeoffs L B1 B3 B2 B4 A1 A3 A2 A4 P Network High Utilization Proportionality Uncongested path
Tradeoffs Network High Utilization Proportionality Network Proportionality Uncongested path BWA+B、zBN Bwa< BW A ≠(A Tenants can be disincentivized B B to use free resources If a values a1A,orA3→A B B more than A,) A3
Tradeoffs L B1 B3 B2 B4 A1 A3 A2 A4 BwA < BwB Network Proportionality L L Tenants can be disincentivized to use free resources If A values A1→A2 or A3→A4 more than A1→A3 BwA+BwA = BwB P L L P Network High Utilization Proportionality Uncongested path
Tradeoffs Network High Utilization Proportionality Congestion Uncongested path proportionality Network proportionality A A,)applied only for flows traversing congested links ≠(A Shared by multiple tenants B B B B
Network Proportionality Tradeoffs L B1 B3 B2 B4 A1 A3 A2 A4 P Network proportionality applied only for flows traversing congested links shared by multiple tenants High Utilization Uncongested path Congestion Proportionality
Tradeoffs Network High Utilization Proportionality Congestion Uncongested path proportionality A Congestion Proportionality ≠(A Bv A BW B B B B
Network Proportionality Tradeoffs L B1 B3 B2 B4 A1 A3 A2 A4 Uncongested path P BwA = BwB Congestion Proportionality L L High Utilization Congestion Proportionality