Emulex InSpeed 350 manuali

Emulex InSpeed 350 Manuale Utente (6 pagine)

Marchio: Emulex | Categoria: Switch di rete | Dimensione: 0.59 MB |

Inglese

Indice

Model 350

1



2



2

Embedded Root Switch In

3

Disk Storage Systems

3



4



5

Emulex InSpeed 350 Manuale Utente (134 pagine)

Marchio: Emulex | Categoria: Switch di rete | Dimensione: 4.11 MB |

Inglese

Indice

Dummies

1

Computing Systems

3

List (http://www.top500.org)

4

LAN/WAN

5

Cloud Computing Environments

6

SC '13

7

• Hardware components

9

• Software components

9

• Ex: TCP/IP, UDP/IP

10

– E.g., PCI, PCI-X

11

– One bit per wire

11

– Not scalable:

11

IB Trade Association

15

• Network speed bottlenecks

17

• I/O interface bottlenecks

17

• Fast Messages (FM)

23

• Myricom GM

23

IB Hardware Acceleration

24

• Interrupt Coalescing

25

• Jumbo Frames

25

• Hardware Checksum Engines

25

TOE and iWARP Accelerators

26

• InfiniBand

32

• High-speed Ethernet Family

32

InfiniBand

33

Traditional Ethernet

33

TCP/IP Stack and IPoIB

34

IB Overview

36

Components: Channel Adapters

37

• Switches: intra-subnet

38

• Routers: inter-subnet

38

• May support multicast

38

(Courtesy Intel)

39

IB Communication Model

41

Global Region Creation

43

Queue Pair Model

44

Memory Registration

45

Memory Protection

46

(Send/Receive Model)

47

Send Recv

48

Hardware Protocol Offload

51

• Buffering and Flow Control

52

• Switching and Multicast

52

• Network Fault Tolerance

52

• IB WAN Capability

52

Buffering and Flow Control

53

Virtual Lanes

54

Service Levels and QoS

55

Traffic Segregation Benefits

56

Switch Complex

58

Leaf Blocks

59

Spine Blocks

59

More on Multipathing

60

IB Multicast Example

61

IB WAN Capability

63

IB Transport Services

65

Reliability

66

Transport Layer Capabilities

67

Data Segmentation

68

Transaction Ordering

69

Message-level Flow-Control

70

Concepts in IB Management

73

Subnet Manager

74

InfiniBand CA

76

Traditional Model

76

Possible SDP Model

76

RSockets Overview

77

HSE Overview

80

Differences

81

Current Usage of Ethernet

88

Myrinet Express (MX)

92

Datagram Bypass Layer (DBL)

93

• Solarflare approach:

94

FastStack DBL

95

• Pros:

98

• Cons:

98

SC'13

100

Presentation Overview

101

IB Hardware Products

102

Tyan Thunder S2935 Board

103

• 72-port “nano magnum”

104

• 10GE switches

105

• 40GE and 100GE switches

105

• Support for VPI and RoCE

106

– www.openfabrics.org

107

– Latest release is OFED 3.5

107

Verbs Interface

108

(libibverbs)

108

OpenFabrics Software Stack

110

Number of Systems

112

Performance

112

(http://www.top500.org

113

• Integrated Systems

114

Other HSE Installations

115

Case Studies

117

MVAPICH2/MVAPICH2-X Software

123

One-way Latency: MPI over IB

124

Bandwidth: MPI over IB

125

Bandwidth: MPI over iWARP

127

Convergent Technologies:

129

Concluding Remarks

131

Funding Acknowledgments

132

Personnel Acknowledgments

133

Web Pointers

134

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