Cloud and Optical Data Centre
The emergence of cloud computing has made a tremendous impact on the Information Technology (IT) industry, since it can provide the business owners several compelling features from both capital expenditure (CAPEX) and operating expense (OPEX) aspects. Data centre (DC), which is the home to the computation power and storage, is central to cloud computing. It contains thousands of devices such as servers, switches and routers, and the network that interconnects them. Proper planning of this network architecture is critical, as it will heavily influence applications performance and throughput in such a distributed computing environment. Further, scalability and resiliency features need to be carefully considered.
The performance and availability of the cloud services are highly dependent on the cloud physical infrastructures, which are DC infrastructures (i.e., computing, storage, and general IT resources) and the network interconnection between DCs and the end users. In the future, the request of cloud services/applications is ever-increasing, such as engines and web services. Optical network infrastructures is utilise for inter-DC connectivity, due to its high-performance and high-capacity characteristics.
Apart from it, scalability and performance optimisation of the cloud infrastructure are also challenging with key focuses on both networking and control technologies. Thus, apart from adopting optical infrastructure, the future cloud infrastructure needs to have a tighter integration between optical network and services/resources provided by DCs.