Computer Network Technology and Application

Chapter 30 Appendix China Oil and Gas Network Interconnection

China National Petroleum Corporation Limited (hereinafter referred to as "PetroChina") is a large oil and gas company formed by professional companies, and is widely engaged in various businesses related to oil and natural gas, including exploration, development and production of crude oil and natural gas, Refining, transportation, storage and marketing of crude oil and petroleum products (including import and export business), production and sales of chemical products, transmission, operation and sales of natural gas.

After successfully listing, PetroChina has become an international and market-oriented company. In order to meet the requirements of international operation and market competition, PetroChina must have strong technological innovation capabilities and advanced scientific management methods, and make full use of information technology to improve management levels , Establish a complete, standardized, integrated and open business management system.In information technology, a set of guaranteed network infrastructure is the basis for the operation of all information systems. The development of enterprise management and production requires more collaboration within and between enterprises. Enterprises need to build a network infrastructure that can meet current and future needs. sustainable network infrastructure.

1. Application status
PetroChina's WAN carries a wealth of data services, and the data of each professional company within its coverage has both the same and unique parts.The common data include e-mail data, anti-virus system data, joint-stock company EIP data, video conferencing, e-commerce data, Internet access data and office automation data. The specific data of each professional company includes the production and operation data of exploration and production professional companies, The production data of companies in the refining and chemical area, the production, sales and inventory system for refining and sales, and the management system for chemical sales, etc.

In the next few years, with the improvement of the informationization level of China's petroleum enterprises, more application data will be transmitted in the wide area network, mainly including upstream earth science and drilling systems, exploration and production information systems, pipeline information systems, and GIS systems ; Downstream oil refining and chemical production systems, customer service systems, gas station management systems; and ERP data, CRM system data, IP voice communication data, data warehouses, data centers, enterprise disaster backup, etc.

2. Network construction requirements
China Petroleum WAN is an important basic component of the entire China Petroleum information construction.Its improvement and construction need to adopt the advanced achievements of modern network technology in technology, and always maintain a certain technical foresight, so that China Petroleum's WAN construction can enter the advanced ranks of world oil companies; at the same time, economic rationality, corporate Based on the current situation and practical application of the network, combined with the future development requirements of the enterprise, and under the premise of unifying network management and security strategies, it will play its due role in serving Chinese oil companies.

3. Solution Introduction

PetroChina's WAN adopts a hierarchical tree-structured WAN design scheme, that is, with the region as the center, companies in each region are connected to the regional center nearby, and then connected to the joint-stock company's network connection method from the regional center.The network construction is carried out in two phases. In the first phase, 7 regional centers will be established, namely Daqing District, Dalian District, Xi’an District, Liaohe District, Xinjiang District, Southwest District, and Southeast District. The others will be the second phase.PetroChina regional companies in the region are directly connected to the regional center, and then connected to the headquarters of the joint-stock company through the regional center.

针对中石油对高品质业务、高性能、高安全、高可靠以及高可扩展性能的具体需求，建设方案采取了不同网络节点运用不同性能网络设备的构建模式。其中，总部和10个区域中心节点统一采用了华为3COM的Quidway NetEngine40-8通用路由器，84个地区公司则采用了华为3COM的AR4640路由器和万兆交换机S8505作为服务器群接入交换机。

3.1 Quidway NetEngine40-8 series high-end core routers

In the construction of PetroChina's WAN, both the headquarters and the regional center have adopted Huawei's Quidway NetEngine40-8 series high-end core routers (USR).The router fully inherits the design concept and key technologies of the NE80 core router, and is a high-end network product of Huawei 3Com for large enterprise networks, industry networks, IP MANs and IP backbone networks.

Based on distributed network processor hardware forwarding and non-blocking switching technology, NE40 has excellent scalability and can support IPv6 through smooth software upgrades. The NE40 integrates the powerful IP service processing capability of the core router and the low-cost switching capability of the Layer [-] switch to provide richer services, more flexible networking and better cost performance.

NE40 is an important driving force for the development of Internet backbone network and IP metropolitan area network towards broadband, security, and service. Its high-quality QoS capability is an important technical basis for network services. The NE40 realizes intelligent service awareness, provides advanced queue scheduling algorithm and SARED congestion control algorithm, thereby accurately guaranteeing the bandwidth, delay and jitter of different services, and meeting the "differentiated service" requirements of different users and different service levels.

Based on distributed hardware processing, NE40 has high-performance business capabilities and can provide comprehensive MPLSVPN services. Gigabit wire-speed NAT and other services. NE40 has fast and good expansion capabilities, and can smoothly support IPv6 and future new services through software upgrades. It is the condition for sustainable development of future networks and an important cornerstone of future IP Telecom Networks (IPTN) and next-generation Internet.

3.2 Quidway AR4640 Router

Quidway AR46 series intelligent service center routers are Huawei 3Com's high-performance, high-reliability multi-service routers for enterprise cores, industries, and operator networks. Business, open business model.This series of routers adopts a unique dual-bus architecture, two independent PCI buses and high-performance PowerPC, and cooperates with the IPTurbo Engine TM technology with independent intellectual property rights, which greatly improves the system forwarding performance.Its forwarding capability is as high as 350Kbps (155M interface wire-speed forwarding), which is much higher than the same level of products in the industry. The high performance of the AR46 series routers is the high performance of services, and the forwarding performance will not be significantly reduced when processing various services.

Considering the future development, through the upgrade of the motherboard, Quidway AR46 series routers can provide 3Mbps service performance, and the system bus bandwidth can be increased by 4~8Gbps, which will comprehensively improve the service performance of enterprise centers and large-scale industry application environments. Quidway AR46 series routers fully consider the high reliability requirements of network applications and incorporate high-end router technologies.The key components of the equipment, such as the bus, power supply, cooling system, BootRom, etc., all adopt redundant design, adopt dual power supply (1+1 backup) modules for mutual redundancy backup, and support AC and DC input; all interface boards, power supplies, and fans support The hot-swap function fully meets the needs of network maintenance, upgrade, and optimization.

4. Solution effect
Huawei 3COM Company provides the unified bearing of data, video and voice services on the IP network for the network construction of PetroChina, enabling the national backbone network of China National Petroleum Corporation to fully realize the integration of three networks, not only ensuring the effective connection of the entire network business , which further ensures the strong manageability of the system.

The realization of enterprise informatization is an important means and the only way to promote enterprise system innovation, technological innovation, management innovation and enhance the core competitiveness of enterprises. 3COM has provided China National Petroleum Corporation with a high-security, high-performance, and manageable information solution, which fully meets the needs of China National Petroleum Corporation for various businesses, and will further improve China National Petroleum Corporation's office Efficiency, comprehensively enhance the competitiveness of enterprises.

(End of this chapter)