In this paper, we propose virtual data center (VDC) as the unit of resource allocation for
multiple tenants in the cloud. VDCs are more desirable than physical data centers because …

Providers of" Infrastructure-as-a-Service" need datacenter networks that support multi-
tenancy, scale, and ease of operation, at low cost. Most existing network architectures …

Multi-tenant datacenters represent an extremely challenging networking environment.
Tenants want the ability to migrate unmodified workloads from their enterprise networks to …

Cloud computing promises to provide on-demand computing, storage, and networking
resources. However, most cloud providers simply offer virtual machines (VMs) without …

With the growth of data volumes and variety of Internet applications, data centers (DCs) have
become an efficient and promising infrastructure for supporting data storage, and providing …

The scalability of modern data centers has become a practical concern and has attracted
significant attention in recent years. In contrast to existing solutions that require changes in …

Cloud computing promises to provide computing resources to a large number of service
applications in an on demand manner. Traditionally, cloud providers such as Amazon only …

Virtualizing data center networks has been considered a feasible alternative to satisfy the
requirements of advanced cloud services. Proper mapping of virtual data center (VDC) …

Data centers lower costs by sharing the physical infrastructure among multiple services.
However, the data center network should also ideally provide bandwidth guarantees to each …

In multi-tenant datacenters, jobs of different tenants compete for the shared datacenter
network and can suffer poor performance and high cost from varying, unpredictable network …