February 2017

 

Case Study :

Smart City Cloud-Datacenter -- Part 2 of 2

Review :

 

The Customer. Our case subject is a prefectural-level city located in the East China Region; governing several city districts, counties, development and functional zones, and county-level cities; with size just over 3,000 square miles and a population of approximately 7.3 million. To protect its privacy, our customer has requested that we write this story under a pseudo name. We honor that request and from here on out, will simply refer to it as CSSC, short for Case Study Smart City.

CSSC is well placed by the Changjiang River and costal economic zones with easy access to its vast hinterlands via railway, highway, waterway; also to costal and international ports via seaway; which has enabled it to become a regional and national economic and trade center through centuries of evolution.

Background : Smart City Initiatives in China

A Prefectural-level city is an administrative division of the People's Republic of China (PRC), ranking below a province and above a county in China's administrative structure. Prefectural-level cities form the second level of the administrative structure (alongside prefectures, leagues and autonomous prefectures).

A smart city is an instrumented, interconnected, and intelligent city that uses smart computing technologies to make the critical infrastructure components and services of a city – which include administration, education, healthcare, public safety, real estate, utilities, and transportation – more intelligent, interconnected, and efficient.

China has attached great importance to building smart cities. Between January 2013 and April 2015, MOHURD (Ministry of Housing and Urban-Rural Development) selected a total of more than 300 pilot project sites in three batches; including prefectural-level cities, districts, counties and townships across the country; of which CSSC is among the second batch.

Challenge : Support Cloud-based IAAS Datacenter for a Smart City. The goal of building a smart city is to improve quality of life by using urban informatics and technologies to improve the efficiency of services and meet residents' needs. At the center of it all, is the cloud-based datacenter that delivers the essential Infrastructure as a Service (IAAS) to make everything operational, around the clock.

The IAAS datacenter’s design must be of high availability (HA), which must be addressed at all levels including application, host, network, and storage. A sound HA solution should deploy software-clustered hosts and virtual host technology, to ensure the availability of hosts and continuity of applications; as well as fully redundant FC switches to ensure the availability of network paths. In addition, the SAN storage must be enabled to deliver equivalent availability, so that an end-to-end redundancy from hosts through network to storage may be achieved.

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