A marketplace driven direction for SDI: Towards an Open Cloud Exchange
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1 A marketplace driven direction for SDI: Towards an Open Cloud Exchange Orran Krieger (BU), Peter Desnoyers (NU), John Goodhue (MGHPCC), Azer Bestavros (BU), Johnathan Appavoo (BU), Margo Seltzer (Harvard), Larry Rudolph (TwoSigma), Rodrigo Fonseca (Brown)
2 Definition of SDI Software-defined infrastructure (SDI) is the definition of technical computing infrastructure entirely under the control of software with no operator or human intervention. It operates independent of any hardware-specific dependencies and are programmatically extensible That s great, but The assumption is that one entity controls the SDI. e.g., one controller for SDN, one entity stands up each cloud, Have Contrail, ODL, Midonet, Big Switch, Nicera, Pexxi all saying solve problems, but they are the solution
3 For example, consider today s IaaS clouds
4 For example, consider today s IaaS clouds One company responsible for implementing and operating the cloud Typically highly secretive about operational practices Exposes limited information to enable optimizations
5 What s the problem Lots of innovation above the IaaS level but consider EnterpriseDB, or Akamai Lots of different providers but bandwidth between providers limited offerings incompatible; switching a problem price challenges to moving No visibility/auditing internal processes Price is terrible for computers run 24x7x365
6 More challenges Provider incentive not aligned with efficient marketplace: stickiness in price, in differentiation advantage other services homogeneity for efficiency Hard for large provider to efficiently support niche markets, radically different economic models Niche providers probably can t support rich ecosystem
7 More challenges Provider incentive not aligned with efficient marketplace: We are in the equivalent of the stickiness pre-internet in price, in world, differentiation where AOL and CompuServe dominated online access advantage other services homogeneity for efficiency Hard for large provider to efficiently support niche markets, radically different economic models Niche providers probably can t support rich ecosystem
8 Is a different model possible? An Open Cloud exchange (OCX)
9 Is a different model possible? An Open Cloud exchange (OCX) C3DDB
10 Is a different model possible? An Open Cloud exchange (OCX) C3DDB
11 Is a different model possible? An Open Cloud exchange (OCX) C3DDB
12 Is a different model possible? An Open Cloud exchange (OCX) Web Big Data HPC C3DDB
13 Is a different model possible? An Open Cloud exchange (OCX) Web Big Data HPC C3DDB
14 Is a different model possible? An Open Cloud exchange (OCX) Web Big Data HPC C3DDB
15 Is a different model possible? An Open Cloud exchange (OCX) Web Big Data HPC C3DDB
16
17
18 Why is this important Anyone can add a new service and compete in a level playing field History tells us the opening up to rich community/marketplace competition results in innovation/efficiency: The Cathedral and the Bazaar by Eric Steven Raymond The Master Switch: The Rise and Fall of Information Empires by Tim Wu This could fundamentally change systems research: access to real data access to real users access to scale seamless boundary for transition to practice
19 Without that solving the spherical horse problem
20 This isn t crazy really Current clouds are incredibly expensive Much of industry locked out of current clouds lots of great open source software lots of great niche markets; markets important to us lots of users alienated by business practices of big guys this doesn t need to be AWS scale to be worth it Past a certain scale; little advantage to economy of scale John Goodhue
21 MGHPCC 15 MW, 90,000 square feet + can grow
22 The Massachusetts Open Cloud
23 The Massachusetts Open Cloud
24 We are confident initial service Changes to OpenStack to enable resource federation HaaS service Small number of production providers Small number of fixed storage providers Simple directory service locate all the providers Very simple pricing model Status: Initial production 48 servers & 50 TBytes Moving to larger number servers and.5pbytes storage in next few months Simple federation with CSAIL OpenStack cloud
25 Research challenges Marketplace mechanisms (David Parks, Margo Seltzer): How can users/intermediaries describe their needs/ constraints/preferences? How do providers describe their services? How do we provide incentives for providers to provide high quality services? To provide rich information? Secure HaaS to enable marketplace all the way down Multi-provider cloudlet Software defined storage
26 Research challenges Marketplace mechanisms (David Parks, Margo Seltzer): How can users/intermediaries describe their needs/ constraints/preferences? How do providers describe their services? How do we provide incentives for providers to provide high quality services? To provide rich information? Secure HaaS to enable marketplace all the way down Multi-provider cloudlet Software defined storage (Peter Desnoyers)
27 HDFS Ceph Luster
28 HDFS Ceph Luster
29 Research challenges Networking: Multi-provider SDN, SDX on top of SDI in cloud DC, between cloud DC. How give user choice of SDX? Hierarchical SDN, app specific customization on IaaS on top of HaaS Can we expose rich information about services while not violating customer privacy How can we correlate between the information between the different layers? How can we identify source of failures?
30 Research challenges Networking: (Rodrigo Fonseca) Multi-provider SDN, SDX on top of SDI in cloud DC, between cloud DC. How give user choice of SDX? Hierarchical SDN, app specific customization on IaaS on top of HaaS Can we expose rich information about services while not violating customer privacy How can we correlate between the information between the different layers? How can we identify source of failures?
31 Common view: Networking is like air conditioning, or power Part of the infrastructure, provided by the datacenter
32 Basic Architecture Storage Compute Jointly administered machines w/ internal network GPUs
33 Multi-Provider Inter-Pod Network Edge of Pod switch
34 Multi-Provider Inter-Pod Network Edge of Pod switch
35 Multi-Provider Inter-Pod Network Edge of Pod switch
36 Research challenges Networking: Multi-provider SDN, SDX on top of SDI in cloud DC, between cloud DC. How give user choice of SDX? Hierarchical SDN, app specific customization on IaaS on top of HaaS Can we expose rich information about services while not violating customer privacy How can we correlate between the information between the different layers? How can we identify source of failures?
37 Web
38
39 Research enabled New hardware infrastructure; e.g. FPGAs, new processors Cloud security and composability of security properties; e.g., MACS project Smart cities Analysis of cloud internal information (logs, metrics) for security, for optimization Highly elastic environments; e.g., 1000 servers for a minute:
40 Research enabled New hardware infrastructure; e.g. FPGAs, new processors Cloud security and composability of security properties; e.g., MACS project Smart cities: Azer Bestavros Analysis of cloud internal information (logs, metrics) for security, for optimization Highly elastic environments; e.g., 1000 servers for a minute:
41 Example: Smart cities MOC
42 Research enabled New hardware infrastructure; e.g. FPGAs, new processors Cloud security and composability of security properties; e.g., MACS project Smart cities Analysis of cloud internal information (logs, metrics) for security, for optimization : Alina Oprea Highly elastic environments; e.g., 1000 servers for a minute:
43 MOC VM VM VM 30
44 MOC VM VM VM 30
45 MOC VM VM VM 30
46 Additional user protection MOC VM VM 31
47 Additional user protection MOC VM Proxy VM 31
48 Additional user protection MOC VM Proxy Internet VM 31
49 Additional user protection MOC VM Proxy Internet VM 31
50 Additional user protection MOC VM Proxy Internet VM Data collection HTTP headers Storage 31
51 Additional user protection MOC VM Proxy Internet VM Data collection HTTP headers Behavioral models Classification Clustering Storage Markov models Graph-based models 31
52 Research enabled New hardware infrastructure; e.g. FPGAs, new processors Cloud security and composability of security properties; e.g., MACS project Smart cities Analysis of cloud internal information (logs, metrics) for security, for optimization Highly elastic environments; e.g., 1000 servers for a minute: Jonathan Appavoo
53 Example Supporting Interactive, Bursty HPC Elastic Software Applications Elastic Infrastructure Linux Front-End Web Interface B Library OS Back-EndsB EbbRT distributed library OS [Appavoo BU]: Front-end Linux allocates bare-metal back-end nodes on demand Back-end nodes library OS customized to single application needs B Infrastructure as Elastic Resource Pool XSP compute service based on Kittyhawk [Appavoo IBM] Fast provisioning based on broadcast Hardware level based on HaaS IaaS level by pre-allocating VMs out of OpenStack [Appavoo]
54 Example Supporting Interactive, Bursty HPC Elastic Software Applications Elastic Infrastructure Linux Front-End Web Interface B Library OS Back-EndsB EbbRT distributed library OS [Appavoo BU]: Front-end Linux allocates bare-metal back-end nodes on demand Back-end nodes library OS customized to single application needs B Infrastructure as Elastic Resource Pool XSP compute service based on Kittyhawk [Appavoo IBM] Fast provisioning based on broadcast Hardware level based on HaaS IaaS level by pre-allocating VMs out of OpenStack [Appavoo]
55 Fetal Image Reconstruction
56 Fetal Image Reconstruction
57 Fetal Image Reconstruction
58 resized, cropped 96x96 50 slices Fetal Image Reconstruction
59 APP 24hrs IRTK resized, cropped 96x96 50 slices Fetal Image Reconstruction
60 APP 24hrs IRTK resized, cropped 96x96 50 slices Fetal Image Reconstruction synthetic 1024x slices Exemplar seconds ~2.4hrs ~24s 0 PC BG1K BG4k BG16k
61 Concluding remarks OCX model could become important component of clouds Major research challenge New research opportunities in this world OCX model important to enable research coexists with commercial efforts with: real data, real users, real scale
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