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<ul><li>Huawei Symantec Provides Customers with a Consolidated and Flexible Storage Network with High Security and High Av...
Joining Forces to Build a Global Leading Storage Enterprise <ul><li>Creating a new field that integrates IT with CT, secur...
Profile of Huawei Symantec Service Sales Market Others R&D 25% 10% 5% 5% 55% At present, Huawei Symantec has about 3600 em...
Integration with International Market, Global Deployment, and Quick Market Response Six R&D centers US Silicon Valley, Bei...
Continuous Investment for Seven Years in the Storage Field <ul><li>2007 </li></ul><ul><li>Entered the enterprise network m...
Challenge Challenge: Storage Present Situation and Continuous Changes Solution: Huawei Symantec VIS Virtual Storage System...
Present Situation One: Serious Heterogenization of Hosts and Storage Devices Application layer WINDOWS Network layer Stora...
Present Situation Two: Low Usage of Storage Devices Caused by Traditional Storage Approaches Usage of 50% Usage of 99% Usa...
Present Situation Three: Huge Investment in Traditional Data Migration and Disaster Recovery Production center Disaster Re...
Present Situation Four: Many Problems in Unified Disaster Recovery Through Traditional Approaches Production center Disast...
Continuous Changes of Customers’ Requirements Adding or migrating a data center due to acquisition, merger, and restructur...
Conflict Between Storage System and User Data The data center  is between the two. <ul><li>Power </li></ul><ul><li>Costs <...
Challenge Challenge: Storage Present Situation and Continuous Changes Solution: Huawei Symantec VIS Virtual Storage System...
Position of Virtual Intelligent System (VIS) Products <ul><li>The Oceanspace ™ VIS6000 series are leading virtual storage ...
Advanced Technologies: Virtualization Based on Network Layer VIS is a virtualization technology based on network layer, wh...
Advanced Technologies: Modular Design to Ensure the Hardware Flexibility <ul><li>Providing the clustered architecture, ful...
Key Applications of the Oceanspace VIS6000 Series Migration Copy Snapshot Replication Hierarchy Expansion Consolidation Mi...
Main Features of the Oceanspace VIS6000 Series Oceanspace VIS6000 Simplifying the basic storage architecture to build a fl...
Values of VIS <ul><ul><li>I/O-based replication technology </li></ul></ul><ul><ul><li>Multiple replication policies: </li>...
Oceanspace VIS6000 -- Storage Consolidation VIS virtual storage platform Snapshot Consolidation Mirroring Consolidating he...
Oceanspace VIS6000  --  Data Protection Across Storage Platforms Array 1 Array 2 Array N 1) The host accesses the data on ...
Oceanspace VIS6000 -- Dynamic Data Migration Source array Adding a VIS and an array, and connecting them to the switch new...
Oceanspace VIS6000 -- Unified Disaster Recovery Platform Unix Linux Win Unix Linux Win FC SAN EMC IBM HP dell Production c...
Challenge Challenge: Storage Present Situation and Continuous Changes Solution: Huawei Symantec VIS Virtual Storage System...
IBM SVC <ul><li>Storage virtualization product: SAN Volume Controller (SVC) </li></ul><ul><li>Product form: </li></ul><ul>...
Comparison Between Huawei Symantec VIS and IBM SVC Data mirroring across arrays; space optimization for virtual disk The s...
EMC Invista & Recover Point <ul><li>The products acquired by EMC from Kashya  </li></ul><ul><li>Invista: virtualization pr...
Comparison Between Huawei Symantec VIS and EMC Invista & Recover Point Number of consistency groups: 1024 Number of consis...
Comparison Between Huawei Symantec VIS and H3C IV Series Maximum number of LUNs: 2048; maximum capacity of LUN: ≥ 2 TB Unk...
Comparison About Replication Technologies Between VIS and IV Series <ul><li>The replication technology adopted by the IV56...
Huawei Symantec Sales and Service Networks All Over the World Six R&D centers Silicon Valley, Beijing, Shenzhen Chengdu, H...
Sales and Service Networks All Over China Four logistics centers Covering all 37 provinces, municipalities, and autonomous...
 
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Huawei Symantec Oceanspace VIS6000 Overview

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Huawei Symantec Oceanspace VIS6000 Overview

  1. 1. <ul><li>Huawei Symantec Provides Customers with a Consolidated and Flexible Storage Network with High Security and High Availability </li></ul>Turning Complexity into Simplicity Global Storage Product Sales Dept.
  2. 2. Joining Forces to Build a Global Leading Storage Enterprise <ul><li>Creating a new field that integrates IT with CT, security with storage, technology with management, and becoming a leader in the industry </li></ul><ul><li>Inheriting and developing the capability and technical accumulation in All-IP network products and solutions of Huawei, hence enforcing the foundation of basic networks </li></ul><ul><li>Integrating Symantec’s capabilities in storage, security core intellectual property rights and software, which take the lead in the industry, hence leading professional storage and security technologies </li></ul>
  3. 3. Profile of Huawei Symantec Service Sales Market Others R&D 25% 10% 5% 5% 55% At present, Huawei Symantec has about 3600 employees totally, more than 2000 of which are full-time technical engineers. More than 300 patents have been applied for in the storage and security technical field. <ul><li>Establishment time </li></ul><ul><ul><li>Established in May 2007, and listed on stock exchange in February 2008. </li></ul></ul><ul><li>Equity composition </li></ul><ul><ul><li>Huawei Technologies Co., Ltd. (Huawei) holds 51% of the shares; Symantec (NASDAQ: SYMC) holds 51% of the shares. </li></ul></ul><ul><li>Management team </li></ul><ul><ul><li>John Thompson, chairman and CEO of Symantec, acts as the chairman of Huawei Symantec; Ren Zhengfei, CEO of Huawei, acts as the CEO of Huawei Symantec. </li></ul></ul><ul><li>Business field </li></ul><ul><ul><li>The joint venture develops and manufactures global leading security and storage products for global telecom carriers and enterprises, and provides a complete set of end-to-end solutions and services. </li></ul></ul>
  4. 4. Integration with International Market, Global Deployment, and Quick Market Response Six R&D centers US Silicon Valley, Beijing, Shenzhen Chengdu, Hangzhou, India Seven marketing centers China, Asia Pacific, Latin America Europe, CIS Middle East & North Africa, South Africa Integrated product development (IPD); integrated supply chain (ISC) HR system and employee stock ownership plan, and leadership development Quality management Organization change Globally-covered system of market development, technical support, and after-sales service Marketing center R&D center consulting
  5. 5. Continuous Investment for Seven Years in the Storage Field <ul><li>2007 </li></ul><ul><li>Entered the enterprise network market with storage and network security products </li></ul><ul><li>Announced the establishment of a joint venture with Symantec </li></ul><ul><li>2006 </li></ul><ul><li>Built the storage and network security product line, and experienced transformation from providing auxiliary products for carriers to selling products on an independent market </li></ul><ul><li>Introduced the second-generation 4 GB series of FC storage products </li></ul><ul><li>2005 </li></ul><ul><li>Introduced the prototype of the 4 GB series of FC storage products </li></ul><ul><li>R&D personnel for storage products exceeded 200 </li></ul><ul><li>2004 </li></ul><ul><li>Formally released the F800, the first-generation 2Gb series of FC storage products </li></ul><ul><li>2003 </li></ul><ul><li>Formally released the D100, the first-generation DAS storage product </li></ul><ul><li>2002 </li></ul><ul><li>Established the storage product R&D department </li></ul><ul><li>Introduced the prototype of storage products </li></ul><ul><li>2008 </li></ul><ul><li>Formally listed for operations </li></ul><ul><li>Targeted the SMB market and the third-generation S2600 </li></ul><ul><li>Improved storage products such as the VIS6000 and the N8000 </li></ul><ul><li>Storage management software </li></ul><ul><li>Storage and backup solution </li></ul><ul><li>2001 </li></ul><ul><li>Initiated the pre-research for storage technologies </li></ul>The accumulative investment has reached 1.1 billion RMB , and professional storage personnel exceed 1500 .
  6. 6. Challenge Challenge: Storage Present Situation and Continuous Changes Solution: Huawei Symantec VIS Virtual Storage System Competition: Advantages of Huawei Symantec Products over Competitive Products Contents
  7. 7. Present Situation One: Serious Heterogenization of Hosts and Storage Devices Application layer WINDOWS Network layer Storage layer Heterogeneous host operating systems Heterogeneous storage devices AIX HP-UX Solaris Linux
  8. 8. Present Situation Two: Low Usage of Storage Devices Caused by Traditional Storage Approaches Usage of 50% Usage of 99% Usage of less than 10% Application layer Storage layer File server Database server OA server Insufficient space Various departments of an enterprise purchase a large number of storage devices by stage based on different businesses. The usages of storage devices, however, range from less than 10% to nearly 100%. When the network cannot meet the capacity requirement, the enterprise must purchase devices with larger capacity to expand the network.
  9. 9. Present Situation Three: Huge Investment in Traditional Data Migration and Disaster Recovery Production center Disaster Recovery center Vendor A Vendor B Vendor C Vendor D Data migration and Disaster Recovery Server Server
  10. 10. Present Situation Four: Many Problems in Unified Disaster Recovery Through Traditional Approaches Production center Disaster Recovery center Problem 1: DAS storage Problem 2: Heterogeneous SAN storage devices Problem 3: Certain storage devices do not provide the remote replication function. Unified Disaster Recovery center HQ Branch Branch Branch
  11. 11. Continuous Changes of Customers’ Requirements Adding or migrating a data center due to acquisition, merger, and restructuring of enterprises. Sharp increase of information storage requirements, and storage capacity Change of business model; service migration, upgrade, and convergence Newly-emerged technologies Continuous changes of storage requirements
  12. 12. Conflict Between Storage System and User Data The data center is between the two. <ul><li>Power </li></ul><ul><li>Costs </li></ul><ul><li>Space </li></ul><ul><li>Heat </li></ul><ul><li>Demand </li></ul><ul><li>Users </li></ul><ul><li>Services </li></ul><ul><li>Access </li></ul>Static Fixed Isolated Closed Dynamic Increasing Open Interactive
  13. 13. Challenge Challenge: Storage Present Situation and Continuous Changes Solution: Huawei Symantec VIS Virtual Storage System Competition: Advantages of Huawei Symantec Products over Competitive Products Contents
  14. 14. Position of Virtual Intelligent System (VIS) Products <ul><li>The Oceanspace ™ VIS6000 series are leading virtual storage products. </li></ul><ul><li>The Oceanspace ™ VIS6000 series meet customers’ requirements for consolidating heterogeneous storage, simplifying management, and building multi-level disaster recovery system. </li></ul><ul><li>The Oceanspace ™ VIS6000 series implement centralized management, data migration, and data protection under heterogeneous environment to provide customers with a secure, reliable, and flexible storage architecture. </li></ul>VIS6000
  15. 15. Advanced Technologies: Virtualization Based on Network Layer VIS is a virtualization technology based on network layer, which is implemented by adding a VIS device on the storage area network (SAN). Server <ul><li>Free from hosts, without consumption of host resources </li></ul><ul><li>Supporting heterogeneous hosts and storage devices </li></ul><ul><li>Unifying the data management functions of different storage devices </li></ul><ul><li>Building a unified management platform, with good scalability </li></ul>Advantages of virtualization technologies based on network layer SAN+VIS
  16. 16. Advanced Technologies: Modular Design to Ensure the Hardware Flexibility <ul><li>Providing the clustered architecture, full redundancy, full modular design, real-time monitoring alarms, and multiple service interfaces to meet different service requirements and ensure the flexibility, reliability, and scalability of hardware. </li></ul>① Control frame module ② Virtualization engine main module ③ Power module ④ System indicator module ⑤ Fan module ⑥ Service interface board module Component modules 4 Gbit/s FC GE Multiple service interfaces to meet different service requirements SAS 10GE
  17. 17. Key Applications of the Oceanspace VIS6000 Series Migration Copy Snapshot Replication Hierarchy Expansion Consolidation Mirroring <ul><li>Storage consolidation </li></ul><ul><ul><li>Protecting the data across storage platforms, and improving data availability based on the entire SAN network </li></ul></ul><ul><ul><li>Implementing centralized storage management to improve the usage of storage resources </li></ul></ul><ul><li>Remote disaster recovery </li></ul><ul><ul><li>Providing disaster recovery service for the entire data center </li></ul></ul><ul><ul><li>Implementing remote disaster recovery under heterogeneous environment. </li></ul></ul><ul><li>Data migration </li></ul><ul><ul><li>Moving the data to any location without service interruption </li></ul></ul>
  18. 18. Main Features of the Oceanspace VIS6000 Series Oceanspace VIS6000 Simplifying the basic storage architecture to build a flexible storage system based on actual needs <ul><li>Reducing the TCO </li></ul><ul><ul><li>Simplifying the storage architecture, and Implementing centralized storage management </li></ul></ul><ul><ul><li>Implementing centralized deployment, and reducing duplicate investment </li></ul></ul><ul><li>Improving the ROI of storage assets </li></ul><ul><ul><li>Allocating storage resources based on actual needs, and readjusting them dynamically </li></ul></ul><ul><ul><li>Consolidating the heterogeneous storage space, and Implementing the hierarchical storage across storage platforms </li></ul></ul><ul><li>Improving service continuity </li></ul><ul><ul><li>Adopting the remote replication technology across storage platforms </li></ul></ul><ul><ul><li>Adopting snapshot and mirroring technologies across storage platforms </li></ul></ul><ul><ul><li>Adopting the technology of dynamic data migration </li></ul></ul>
  19. 19. Values of VIS <ul><ul><li>I/O-based replication technology </li></ul></ul><ul><ul><li>Multiple replication policies: </li></ul></ul><ul><ul><li>• Synchronous </li></ul></ul><ul><ul><li>• Asynchronous </li></ul></ul><ul><ul><li>• Cyclical </li></ul></ul><ul><ul><li>Redundancy for key components </li></ul></ul><ul><ul><li>Supporting multi-path systems </li></ul></ul><ul><ul><li>Multiple active nodes in a cluster </li></ul></ul><ul><ul><li>Building an open storage system </li></ul></ul><ul><ul><li>Preventing locking by vendors </li></ul></ul><ul><ul><li>Separating device management from service management </li></ul></ul><ul><ul><li>Implementing centralized management for heterogeneous devices </li></ul></ul>Storage consolidation Simplified management Disaster recovery Values to Customers High security dddd
  20. 20. Oceanspace VIS6000 -- Storage Consolidation VIS virtual storage platform Snapshot Consolidation Mirroring Consolidating heterogeneous arrays, and outputting a unified storage resource pool: 1. Consolidating heterogeneous storage devices to implement centralized storage management and reduce the TCO 2. Improving the usage of devices and allocating resources based on actual needs 3. Improving the storage performance to prevent expected and unexpected breakdown of devices
  21. 21. Oceanspace VIS6000 -- Data Protection Across Storage Platforms Array 1 Array 2 Array N 1) The host accesses the data on Array 1 properly. 2) The host writes the data into Array N, without affecting the host 1) The host accesses the data on arrays properly. 2) The host creates a snapshot for Volume A of HP array, and stores the snapshot in EMC array. EMC IBM HP 3) The host creates a snapshot for Volume B of HP array, and stores the snapshot in IBM array. <ul><li>Mirroring across storage platforms guarantees the continuity of applications </li></ul><ul><ul><li>The source volume and mirroring volume are stored in different storage devices manufactured by different vendors. </li></ul></ul><ul><ul><li>If the source volume is faulty, the mirroring volume takes over the services of the source volume, without affecting the host during the handover. </li></ul></ul><ul><li>Snapshot across storage platforms protects the consistency of data </li></ul><ul><ul><li>Creating snapshots across storage devices of different vendors, without affecting the services of the host </li></ul></ul><ul><ul><li>Creating snapshots in a short time, and capturing a copy of online data in real time </li></ul></ul>
  22. 22. Oceanspace VIS6000 -- Dynamic Data Migration Source array Adding a VIS and an array, and connecting them to the switch new array Source array new array Synchronizing the data on the source array to the new array Writing the data into two arrays at the same time <ul><li>Dynamic data migration </li></ul><ul><ul><li>Migrating data dynamically without service interruption </li></ul></ul><ul><ul><li>Migrating data dynamically to any location </li></ul></ul><ul><ul><li>Losing no data during the data migration </li></ul></ul><ul><li>Process of dynamic data migration </li></ul><ul><ul><li>The VIS and new array are connected to the switch or the VIS6000 on the legacy network smoothly. </li></ul></ul><ul><ul><li>The host writes I/O data to both the source array and the new array. </li></ul></ul><ul><ul><li>The data on the source array is synchronized with the new array. </li></ul></ul><ul><ul><li>After the data on the source array and the new array is fully synchronized, the services of the host are switched over to the new array. </li></ul></ul>
  23. 23. Oceanspace VIS6000 -- Unified Disaster Recovery Platform Unix Linux Win Unix Linux Win FC SAN EMC IBM HP dell Production center Transmission network (WAN/LAN/dedicated line) VIS6000 Array Disaster recovery center IP/FC SAN Host VIS6000 <ul><li>Providing remote disaster recovery for the entire storage network: </li></ul><ul><ul><li>Implementing unified construction, deployment, and management </li></ul></ul><ul><ul><li>Providing flexible scalability, and connecting new hosts or arrays to the unified Disaster Recovery platform seamlessly </li></ul></ul><ul><ul><li>Reducing the TCO, initial purchasing cost, and O&M cost </li></ul></ul><ul><li>Implementing remote disaster recovery under the environment of heterogeneous hosts or arrays: </li></ul><ul><ul><li>No change to the host configuration, no change to the original networking mode, and no consumption of processing capabilities of hosts and arrays </li></ul></ul><ul><ul><li>Implementing multi-point disaster recovery, and building a system across regions, departments, and services </li></ul></ul><ul><ul><li>Supporting synchronous, asynchronous, and cyclical remote replication </li></ul></ul>IP SAN
  24. 24. Challenge Challenge: Storage Present Situation and Continuous Changes Solution: Huawei Symantec VIS Virtual Storage System Competition: Advantages of Huawei Symantec Products Over Competitive Products Contents
  25. 25. IBM SVC <ul><li>Storage virtualization product: SAN Volume Controller (SVC) </li></ul><ul><li>Product form: </li></ul><ul><li>1. Integrated into an IBM blade server with the model of X3550. This product form is similar to the VIS6000 of Huawei, functioning as a competitor of the VIS6000. </li></ul><ul><li>2. Integrated into a Cisco MDS FC switch, and sold as a bundle. </li></ul>SVC Controller SVC Controller with FC Switch
  26. 26. Comparison Between Huawei Symantec VIS and IBM SVC Data mirroring across arrays; space optimization for virtual disk The space is allocated only when the data is written into the virtual disk. Data mirroring across arrays; space optimization for virtual disk The space is allocated only when the data is written into the virtual disk. Transmission Obtaining a free space from multiple arrays; data migration or hierarchical storage Obtaining a free space from multiple arrays; data migration or hierarchical storage Improvement of usage Supported Supported Virtual snapshot Maximum number of LUNs in a single VIS: 2048; capacity of LUN: ≥ 2 TB Maximum number of LUNs: 8192; capacity of LUN: 2 TB LUN 2–8 2–8 Number of clusters 24 x 4 GB FC, 12 x 1 GB IP, 6 host interface modules FC/IP is available for choice, further supporting 10GE, 10GFC, and SAS 4 x 4 GB FC, 2 x 1 GB IP, at most 2 PCIE extended slots Scalability 4 x quad-core CPUs, with the cache of 64 GB Special storage server, designed for I/O access 2 x quad-core Xeon, with the memory of 8 GB Processing capability Clustered architecture, full redundancy, and full modular design High reliability, performance, and efficiency 1U common PC server, with the low-end IBM model of X3550; Low reliability, performance, and efficiency Architecture Centralized management through ISM, including Oceanspace arrays and other compatible arrays Multi-point management, including the SVC console and the TPC console Management and maintenance I/O-level; supporting synchronous, asynchronous, and cyclical remote replication ; IP/FC-based remote replication I/O-level; supporting synchronous and asynchronous remote replication; IP/FC-based remote replication Disaster recovery Based on network virtualization Based on network virtualization Work principle Huawei Symantec VIS6000 IBM SVC
  27. 27. EMC Invista & Recover Point <ul><li>The products acquired by EMC from Kashya </li></ul><ul><li>Invista: virtualization product </li></ul><ul><li>Recover Point: special disaster recovery product </li></ul><ul><li>Separating virtualization from disaster recovery increases the cost. </li></ul><ul><li>Calling different agents on Cisco and Brocade intelligent switches </li></ul><ul><li>Two sets of software products </li></ul><ul><li>No fixed design for hardware architecture </li></ul><ul><li>Installed on a platform server </li></ul>
  28. 28. Comparison Between Huawei Symantec VIS and EMC Invista & Recover Point Number of consistency groups: 1024 Number of consistency groups supported by each RPA: 30 Number of consistency groups supported by each cluster: 60 Consistency group 2–8 RP supports 2–8 clusters; SE supports 2 clusters Number of clusters Managing network replication bandwidth and data replication rate Replication based on IP or FC No additional transmission conversion device (such as FC/IP Bridge) is required. Managing network replication bandwidth and data replication rate Replication only based on IP No additional transmission conversion device (such as FC/IP Bridge) is required. Transmission Supporting heterogeneous storage arrays and heterogeneous operating systems; No agent is required on the host. Supporting heterogeneous storage arrays and heterogeneous operating systems; No agent is required on the host. Heterogeneous capability Recovering data based on write I/O log volume, thus restoring the data at any time point; supporting a data consistency group Recording each write I/O through logs, thus restoring the data at any time point; supporting a data consistency group Data protection Installed on a high-end storage server, with full redundancy design, and high reliability, performance, and efficiency No fixed design for hardware architecture and installed on a PC server platform Architecture Centralized management through ISM, including Oceanspace arrays and other compatible arrays Multi-point management, including RecoverPoint console, intelligent switch console, ECC, and Navisphere Management and maintenance A common switch is configured for VIS in the disaster center, which reduces the investment. A high-end intelligent switch is configured for RPA in both the disaster center and the production center. Investment saving VIS6000 Invista&RecovePoint  
  29. 29. Comparison Between Huawei Symantec VIS and H3C IV Series Maximum number of LUNs: 2048; maximum capacity of LUN: ≥ 2 TB Unknown LUN 2–8 Unknown Number of clusters 24 x 4 GB FC, 12 x 1GB IP, 6 host interface modules; FC/IP is available for choice, further supporting 10GE, 10GFC, and SAS 16 x 4 GB FC interface (LC multi-mode interface) 16 x GE interface (RJ45) The maximum number of each type of interfaces cannot exceed 16. Scalability 4 x quad-core CPUs, with the cache of 64 GB Special storage server, designed for I/O access Maximum configuration: 2 x quad-core CPUs, with the cache of 16 GB Processing capability Clustered blade architecture, full redundancy, and full modular designHigh reliability, performance, and efficiency Dual-controller structure Architecture The synchronous/asynchronous replication technology adopted by the VIS is based on dynamic I/O replication. Each I/O granularity is refined, and RTO/RPO granularity is very small. RTO may be equal to zero, which brings real-time replication in real sense. The announced continuous data protection (CDP) technology is not the one in real sense. Data replication is based on block; A data block with minimum size of 512 bytes can be replicated to the remote end. No data replication based on I/O granularity is available. The replication is not real-time. Replication technology Adopting a flexible replication policy so that the data can be replicated based on the set timing or quantifying conditions. The compression fuction does not adopt a flexible technology, but adopts an open and standard compression algorithm. Real-time replication based on I/O granularity is not available. Compression technology The overall VIS architecture is designed on the basis of many current mature technologies, such as multi-path management, virtualization management, disaster recovery replication solution, and cluster management. The product architecture is designed on the basis of an excellent platform, which implements a high reliability. Immature technologies about multi-path management, virtual management, and real-time replication, without a guarantee of system reliability. Design Based on network virtualization and block virtualization VIS is a self-developed product of Huawei Symantec, with proprietary source codes. Problems can be located quickly. H3C IV Series are implemented on the basis of the IPstor software of Falcon, which causes restrictions on function expansion. Since the codes are provided by other vendor, H3C fails to locate the problems quickly. Work principle Huawei Symantec VIS H3C IV Series Item
  30. 30. Comparison About Replication Technologies Between VIS and IV Series <ul><li>The replication technology adopted by the IV5600 is based on snapshot, with a high value of RPO. </li></ul><ul><li>To replicate the data, create a snapshot first. Creating a snapshot consumes a large number of host resources. If snapshots are created frequently, the quality of the services provided by the host is affected greatly. </li></ul><ul><li>Snapshot based replication is not an advanced technology, and is implemented without difficulties. </li></ul>VIS IV5600 Replication technologies are adopted to implement disaster recovery for user data based on IP or FC network. Vendors adopt different replication technologies that have different work principles and mechanisms. Huawei adopts the replication technology that is advanced currently to provide lossless disaster recovery for the data of existing production systems. <ul><li>The replication technology adopted by the VIS is based on dynamic I/O replication. Each I/O granularity is refined, and RPO may be equal to zero, which brings real-time replication in real sense. </li></ul><ul><li>The replication technology adopted by the VIS requires no support of snapshot, and the services of the host cannot be affected during the replication. </li></ul><ul><li>I/O-based replication requires advanced technologies, and is a development trend in the industry. </li></ul>
  31. 31. Huawei Symantec Sales and Service Networks All Over the World Six R&D centers Silicon Valley, Beijing, Shenzhen Chengdu, Hangzhou, India Seven marketing centers   China, Asia Pacific, Latin America Europe, CIS Middle East & North Africa, South Africa Globally-covered system of market development, technical support, and after-sales service Marketing center R&D center Huawei Symantec, based in Chengdu, has six R&D centers in US Silicon Valley, Beijing, Shenzhen, Chengdu, Hangzhou, and India. Huawei Symantec has seven marketing centers in China, Asia Pacific, Latin America, Europe, CIS, Middle East & North Africa, and South Africa, and more than 100 branches all over the world. The marketing and service networks of Huawei Symantec cover the entire globe, providing quick and high-quality services for customers.  
  32. 32. Sales and Service Networks All Over China Four logistics centers Covering all 37 provinces, municipalities, and autonomous regions   Beijing, Shanghai, Guangzhou, and Chengdu 400 sales and service persons 90 sales outlets 80 authorized service centers Five strategic partners Eight regional centers 37 sales outlets 300 sales persons 100 technical advisors 200 service persons

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