A.A. 2017-18
Course schedule
PDF slides will be published on this site after each lesson.| Lesson no. | Date | Slides / References | Topics |
| 1 | 06/03/2018 | Course introduction. Datacenter architecture and organization. Rack layout. Cabling. TIA-942 Standard. Air conditioning and cooling plant. Power. Energy efficiency of a datacenter. Power Usage Effectiveness. Datacenter Tiers (UpTime Institute classification). Modular datacenters. Small-scale sample datacenter layouts. |
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| 2 | 13/03/2018 | Ethernet switching basic concepts. VLANs. VLAN trunking. Inter-VLAN routing. Multi-layer switches and Virtual Switch Interfaces. Datacenter networking infrastructure. Access layer and aggregation layer. Access layer: ToR and EoR organizations. Bandwidth aggregation techniques. IEEE 802.3ad Link Aggregation. IEEE 802.1ax Link Aggregation Protocol LACP. |
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| 3 | 20/03/2018 |
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Switching theory fundamentals. Head-of-Line blocking. Clos networks. Clos theorem. Loop management in Ethernet networks. STP protocol. Datacenter networks: aggregation layer. Datacenter network infrastructure evolution. Fat-tree topology. Leaf-spine topology. Some examples of large scale datacenter networks. |
| 4 | 27/03/2018 |
Fat-tree: a scalable, commodity data center network architecture. Transparent Interconnection of Lots of Links (TRILL) and its use in datacenter networks. Multiple path routing in datacenter networks. Equal cost multi-path (ECMP). Improving ECMP load balancing with Flowlets (FLARE). Virtualization technologies and their use in modern datacenters. A Linux-based hypervisor: KVM. |
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| 10/04/2018 | La lezione del 10/04/2018 è annullata per concomitanza con seduta di laurea. | ||
| 5 | 17/04/2018 |
Virtual switches in type-1 and type-2 hypervisors. VM networking in a Linux based host. Macvlan. Linux Bridge. Open vSwitch. Hardware support to virtualization in modern NICs: SR-IOV. Virtual networking in multitenant cloud datacenters. IEEE 802.1ad (Q-in-Q). MPLS. VXLAN. NVGRE. Virtual eXtensible Local Area Network (VXLAN): A Framework for Overlaying Virtualized Layer 2 Networks over Layer 3 Networks. |
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| 6 | 24/04/2018 |
Storage technologies for datacenters: DAS, NAS and SAN. Fibre Channel. Network convergence. iSCSI. Fiber Channel over Ethernet (FCoE). Cloud computing. Cloud service models: IaaS, PaaS, SaaS. Amazon AWS services: EC2. |
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| 7 | 08/05/2018 | A practical tour in OpenStack through its dashboard. | |
| 8 | 09/05/2018 |
Guided tour to the SCoPE datacenter (Monte S.Angelo campus) We will meet at 09:30 at the SCoPE Control Room in Monte S. Angelo. |
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| 9 | 15/05/2018 |
An introduction to OpenStack. OpenStack: a quick tour. OpenStack dashboard and CLI commands. Software Defined Networking: concept and applications. |
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| 10 | 22/05/2018 |
OpenFlow. OpenFlow networks: proactive vs reactive control. Open vSwitch as an OpenFlow switch. OpenFlow controllers. The Mininet network emulator. An OpenFlow tutorial with Mininet. |
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| 11 | 29/05/2018 |
The Floodlight OpenFlow controller. Demo of a simple Mininet scenario controlled by Floodlight. TCP performance problems in datacenter networks. TCP Incast. Datacenter-specific TCP variants: DCTCP. |
