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Network Construction of Data Center Resource Pool

The network architecture built with TRILL technology can better meet business needs of data centers in the era of cloud computing

Background

1.High reliability and high availability: network services must be uninterrupted, continuous; When any device or line fails, network services can quickly converge and self-heal.

2.Application flexibility: The new generation network architecture must help application systems break existing computer room/cabinet physical location limitations, and deploy the applications anywhere under the new generation network architecture.

3.Application scalability: The new generation network architecture must have excellent adaptability to the requirements for scalability and migration of virtualization, distributed computing and big data applications.

4.High performance of network: The new generation network architecture can meet the demand of large throughput traffic forwarding brought by scaling of large-scale distributed computing systems, migration of virtual systems, deployment of big data applications and use of high-performance NAS clusters, and provide an ultra-high performance backbone network for data center.

5.Efficient and convenient O&M: The deployment of new generation network architecture must be highly automated and protocol configuration must be simple so that many configuration parameter ratios can be automatically generated, and most protocol parameters can be configured by default. It must be plug and play, convenient and easy to use like a traditional Layer 2 network.

 


Solution Overview

TRILL has the characteristics of efficient forwarding, effective loop avoidance, rapid convergence, and convenient deployment. The TRILL-based network architecture can well meet the business needs of data centers in the cloud computing era.

FabricPath is a superset that Cisco has added a lot of private data centers to TRILL. There is no obvious difference between the basic control plane and the data plane.

VXLAN (virtual Extensible LAN) is a kind of overlay network technology and a kind of Tunnel technology. VXLAN is encapsulated by MAC in UDP. VXLAN provides large-scale two-layer segment in a multi-tenancy environment. It allows virtualization of the boundary of transnational physical Layer 2 network, and enables the operational flexibility of deploying virtual machines to any data center. VXLAN can work in existing data center switches and routers, and alleviate network scalability problems related to server virtualization.

Features

Flexible deployment of applications: Applications can be deployed anywhere under the network architecture;

Layer 2 loop-free highly reliable network: Construct a Layer 2 loop-free highly reliable network environment between data centers;

Cloud-ready infrastructure architecture:  Automate scheduling and deployment with Openstack, and make network deployment flexible with SDN.

Customer Pain Points And Challenges

Qty

The number of application systems shows a dynamic trend. With the development of financial Internet in the future, the number of applications will change with the development of demand.

Capacity

With the increasing performance capacity of application systems, the requirements for network performance are getting more and more stringent.

Association

It is more and more difficult to divide various application systems by simple production and office concepts

Security

Layer 2 physical loop, Layer 2 broadcast storm; Network not highly reliable, and spanning tree protocol not highly self-healing.

Customer Benefits

Construction principle:  1. Standardized: Standardized design of resource pool; 2. Flexible: Server access not subject to location factors; 3. Scalable: New functional areas rapidly deployed to meet business needs

Problems solved: 1. Insufficient utilization of TOR port; 2. Network deployment subject to the scale of business zone, making fast launch impossible; 3. Network equipment tightly coupled with business zones, and O&M complex.

Benefits:  1. Reduce the total cost of investment by use of virtualization; 2. Layer 2, easy to scale, and loop-free networking for data center; 3. Flexible access to servers and rapid scaling of services.

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