FusionStorage Aids On-demand Telco Services

Latest reply: Dec 16, 2016 18:15:07 1053 1 0 0
Background 

Zhejiang Telecom Corporation, a large branch of China Telecom, has been gradually migrating services to cloud resource pools since 2011. Zhejiangʼs goal is to improve its network, brand image, technology, and talent by providing diversified, high-quality, on-demand services for its customers:

  • 18 million intelligent PSTN subscribers 
  • 8 million broadband subscribers 
  • 3G services for 8 million mobile subscribers (both mobile service revenue and mobile subscriber bases are increasing steadily) 

Zhejiang has total assets of over USD $7.6 billion, 53,000 employees, and operates 76 subsidiaries. 

Challenges 

Today, Zhejiang Telecom utilizes cloud computing technologies more than any other China Telecom branch. Some 95 percent of Zhejiang Telecom’s service platforms have been migrated from midrange servers to the cloud. Zhejiang also virtualized all its databases. 

However, after the network and computing resources of the core architecture had been virtualized and pooled, the following challenges emerged: 

  • More open storage resources required that were also secure, reliable, and instantly available 
  • O&M expansion resulted in higher costs due to the use of pricey high-end storage devices from multiple vendors 

These challenges stalled Zhejiang Telecom’s strategic transformation and delayed the launch of on-demand services (on-demand services require cloud-based distributed storage — also known as Software-Defined Storage, or SDS.) But, unfortunately, existing storage resources were the weakest link in the architecture in terms of reliability and scalability:  

  • Storage was a bottleneck that inhibited system performance 
  • Service departments planned for more storage based on future expansion rather than actual needs, leading to low utilization of existing storage 
  • Linear capacity expansion was difficult since only two disk chassis could be added, yet dedicated storage was expensive and required more maintenance 

The company also needed a reliable partner to help them transform their IT infrastructure. 

Solution 

Zhejiang Telecom began to evaluate new distributed, virtual storage technologies that use block storage. The company knew that block storage was expensive, but also enabled high performance. File storage was the least expensive method, but yielded low performance. 

Huawei proposed its FusionStorage distributed cloud architecture products. After performance testing, the Shanghai Institute of China Telecom and Zhejiang Telecom agreed that Huawei’s solution was, indeed, the best. Huawei’s distributed storage proved its competitive edge against conventional high-end SAN storage and distributed file systems. 

As a result, Zhejiang Telecom was able to launch a Software-Defined Storage platform that now supports all its core telecommunication services. The telecom corporation successfully transformed their core IT architecture from scale-up to scale-out. This permits large-scale elastic expansion of the IT infrastructure for future requirements. Zhejiang Telecom also has deployed commercial SDS applications services that solved key issues in the construction of distributed, agile data centers. 

Benefits 

Zhejiang Telecom now leads the industry with its distributed FusionStorage and x86 rack server system, along with cloud-based storage resources using SDS. Today, the Wireless Application Protocol (WAP) gateway, and network planning and optimization services all interoperate within the SDS platform. Single-disk performance is 5 to 10 times better than conventional SATA disks, and 3 to 5 times better than SAS disks. Delays are 30 percent lower than with high-end SAN storage. 

The flattened P2P IP network architecture virtualizes disks in x86 servers into an elastic, high-performance, super-large-capacity block storage resource pool. The resource pool replaced medium and high-end storage devices and a Fibre Channel storage network. Other benefits included: 

  • Large-scale elastic expansion that reduced overall TCO by over 30 percent 
  • Storage resource pool with unified management that improved efficiency by more than 100 percent and resource utilization by more than 50 percent 
  • Parallel I/O processing that provided 1.3 million IOPS and 120 Gbit/s bandwidth at the bottom layer
  • Construction of the x86-based, universal open storage system took just two weeks  

Zhejiang Telecom has become a pioneer for cloud resource pool implementation within its parent company. Deployment of the distributed storage system strengthened Zhejiang’s competitive advantage and has made its performance the benchmark for China Telecom.

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Admin Created Dec 16, 2016 18:15:07 Helpful(0) Helpful(0)

thanks for your sharing!
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Come on!

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