1.
26 Jan, 2014
SAKURA Internet Research Center
Senior Researcher / Naoto MATSUMOTO

2.
40/100GbEの物理限界を知ろう
40GbE PCI Express Gen2 NIC*
PCIe Gen 2.0 x8 interface, 32Gbps
8b/12b line encoding, 20% overhead, 25.6Gbps
40GbE PCI Express Gen 3 NIC*
PCIe Gen 3.0 x8 interface, 1GB per lane or 64Gbps
64/66 line encoding, 3% overhead, 62.0Gbps
100GbE PCI Express Gen 3 NIC?**
PCIe Gen 3.0 x16 interface, 128Gbps
64/66 line encoding, 3% overhead, 124.1Gbps
*SOURCE: Evaluation of 40 Gigabit Ethernet technology for data servers . Azher Mughal, Artur Barczyk , Caltech / USLHCNet ,CHEP-2012, New York
**SOURCE: SAKURA Internet Research Center. 08/2013 Project THORN.

3.
高密度集積化でケーブリングって大変...

4.
最近の10/40GbE NICパケット処理性能
10/40GbE-NIC 64Byte Short Packet Processing Bechmark (RX)
1.39Gbit/s
Need more Traffic Generators
1.41Gbit/s
2.81Mpps
1.39Gbit/s
2.62Mpps
© Copyright 2013 Chelsio Communications
Corei7-3930K CPU @ 3.20GHz / 32GB DDR3-DIMM / PCI Express 3.0 using linux standard pkt-gen with NETMAP.
Mpps
(Million Packet/sec)
SOURCE: SAKURA Internet Research Center. 12/2013 Project THORN.

5.
10/40GbE NICパケット処理向上の検討
14Mpps
≒
14-35Mpps
＞
2.7Mpps
Intel 10GbE NIC
10/40GbE NIC (H/W Offload)
10/40GbE NIC (Standard)
Intel DPDK Network Driver
TCP/IP Network Driver
TCP/IP Network Driver
App+ Modify Source Codes
Network Application
Network Application
*Mpps: Million Packets per second.
SOURCE: SAKURA Internet Research Center. 12/2012-01/2014 Project THORN.

6.
10/40GbEデータ転送性能を知ろう
1/10/40GbE NIC (Standard)
5.58 Gbit/sec
8.00 Gbit/sec
10/40GbE NIC (H/W Offload)
(NO DATA)
13.68 Gbit/sec
18.23 Gbit/sec
40/56Gps Infiniband HCA
RAMDISK(READ) to RAMDISK(WRITE) over Network DATA Transfer using Intel Xeon Core i7 3.3GHz
SOURCE: SAKURA Internet Research Center. 12/2012-01/2014 Project THORN.

7.
10/40GbEの標準的なデータ転送実測値
10/40GbE SW
9.61 Gbit/s 820,347 pps(TX)
9.61 Gbit/s 820,304 pps(TX)
10GbE
10GbE
9.61 Gbit/s 820,300 pps(TX)
9.61 Gbit/s 820,301 pps(TX)
10GbE
10GbE
9.61 Gbit/s 820,302 pps(TX)
9.61 Gbit/s 820,302 pps(TX)
10GbE
10GbE
9.61 Gbit/s 820,300 pps(TX)
9.61 Gbit/s 820,352 pps(TX)
10GbE
10GbE 40GbE
<MTU 1500Byte>
Trunk mode
<MTU 1500Byte>
40GbE
40GbE x1
40GbE SW
9.52 Gbit/s 822,882 pps(RX)
9.52 Gbit/s 822,901 pps(RX)
9.53 Gbit/s 823,345 pps(RX)
9.52 Gbit/s 822,984 pps(RX)
Source: SAKURA Internet Research Center. 05/2013 Project THORN.

8.
10GbE H/W Offload NICの実測性能
10GbE H/W Offload vs Softwre Dirver Packet Processing(RX) Graph chart
packet/sec
7.55 Gbit/s
Increasing Short Packet Process Performance
© 2010-2013
Solarflare Communications, Inc.
All rights reserved.
9.07 Gbit/s
1.79 Gbit/s
6.96 Gbit/s
9.40 Gbit/s
8.19 Gbit/s
9.58 Gbit/s
9.01 Gbit/s
Corei7-3930K CPU @ 3.20GHz / 32GB DDR3-DIMM / PCI Express 3.0 using linux standard pkt-gen with NETMAP.
SOURCE: SAKURA Internet Research Center. 05/2013 Project THORN.

9.
3-5年先の100GbE Networkingって？
目的地
現在地

10.
その性能って本当に必要なの？...
そう用途に応じてNICを選ぶんだ！
SAKURA Internet Research Center.