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Multi-Service control gateway



Quidway ME60 Series Multi-Service Control Gateway

Overview

The ME60 Multi-Service Control Gateway (MSCG) series products are characterized by large capacity, high performance, powerful service processing capability, and integrated control capability. As a MSCG, the ME60 is a key device for transforming the IP network that bears the pure Internet service to the telecom network that bears voice, video, 3G and NGN services.


The ME60 integrates the functions such as user management, service control, and security control, to meet the requirements of different customers. As a PE device, the ME60 provides powerful layer-2 and layer-3 VPN features, thus it can provide VPN services for enterprises and subscribers. The customized service feature enables the operators to launch the value-added service, and enhance the operation and management capability. For the NGN service and IPTV service, the ME60 provides the NGN proxy, multicast control, firewall, and 5-level QoS scheduling features. Besides, the ME60 provides security and carrier-class guarantee for these services. The ME60 fully supports IPv6, thus it can meet the network requirements in the future.

Based on the ME60, the operator can build up a secure, reliable, operable and full-service Ethernet network with excellent QoS assurance. It converges traditional telecom services and new IP services into a unified platform, thus the Capital Expenditure (CapEx) and the Operation Expenditure (OpEx) can be reduced. The ME60 can help the operator develop various value-added services, implement elaborate operation and improve the Average Revenue per User (ARPU).

The ME60 series includes three models: ME60-4, ME60-8 and ME60-16, which have 4, 8 and 16 I/O slots respectively.


Features

Carrier-Class Availability

The ME60 chassis is designed on the basis of the carrier-class telecom architecture. It can be fixed in an N68-22 (the ME60-8 can also be fixed in N68-18) cabinet or a 19” standard cabinet. All the LPUs and fans can be plugged in or out without having to power off the device.

The key components of the ME60, such as MPU, SFU, fans and management bus, support redundancy backup, auto-swapping, hot-plug in and out, and automatic recovery. Other components, such as memory, power supply module, interfaces, and boards, provide multiple protection and alarming methods to ensure the smooth running of the ME60. The ME60 uses the forwarding mechanism based on distributed hardware, and separates the data channel from the control channel. Thus the control channel is not impacted when the traffic is heavy.

The ME60 is designed with software reliability. The applications can be dynamically loaded, selected, upgraded, and restored. The configuration files can be remotely backed up and loaded. The data on the active and standby units can be backed up in real time and switched smoothly, and thus the software environment is stable. The ME60 can also monitor the faults on the software. After finding a fault, it removes fault and records the exceptional event.

With a device monitoring system, the ME60 can manage, monitor and maintain LPUs, fans, LCD and power supply modules through the MPU.

The ME60 supports non-stop forwarding (NSF) and graceful restart (GR) . Therefore, when an error occurs to the control plane, the data plane still forwards packets without losing any packets. The ME60 also supports hitless switchover to provide non-stop services.

The ME60 supports cross-board and cross-device backup. If the line card fails, the online users are switched to the backup line card or the backup device. Thus the services are not interrupted.

For the firewall and SBC services, the ME60 supports the hot backup of the service boards, and thus the service reliability is ensured.

Multi-service Provision

As a multi-service control gateway, the ME60 has a powerful multi-service integration capability. It provides solutions to MPLS L2VPN/PWE3, MPLS VPLS, MPLS L3VPN, and leased line connection between commercial users. These VPN solutions are extensible and easy-to-deploy. In addition, the ME60 can map the access terminal to the MPLS L3VPN, thus providing more choices in wholesale service.

The multi-service integration provided by the ME60 is aware of the terminals. That is, the ME60 can enforce the policies based on terminal.

User and Service Management

The ME60 can manage both users and services. Users can access the network through Ethernet, xDSL, WLAN, WiMAX or PON.

The following authentication methods are available with ME60:

* PPP authentication
* 802.1X authentication
* Web authentication
* Binding authentication
* Fast authentication

The following accounting methods are available with ME60:

* None accounting
* RADIUS accounting
* HWTACACS (Huawei Terminal Access Controller Access Control System)

The ME60 also supports multiple service functions, such as captive portal, wholesale service, multiservice selection, and multicast duplication.

IPTV Solution

The ME60 provides a perfect IPTV solution. By using the powerful terminal management capability, the ME60 separates the IPTV terminals. Thus, the terminals are secure and the QoS is ensured.

The ME60 can copy multicast packets based on ports and VLANs. A dedicated multicast copy engine can speed up channel switchover and reduce the delay, which bring perfect service experience to IPTV users.

The ME60 can also copy multicast packets based on sessions. In the networks where the Digital Subscriber Line Access Multiplexer (DSLAM) cannot copy packets for users, the ME60 copies the packets for PPPoE users directly. Therefore, carriers need not upgrade the DSLAM and the earlier investment on the IPTV service is reduced.

In addition, the ME60 can grant the multicast rights to users. That is, the ME60 defines which channels a user can use. Then, the ME60 copies only the packets of the authorized channels. This function can simplify the service deployment and reduce the service operation cost. Besides, by increasing the priority of the multicast traffic, the ME60 prevents the multicast service from being interrupted in the case of network congestion.

NGN Gateway

As a multi-service control gateway, the ME60 also acts as a high-performance gateway of the NGN service by using the SBC service. The ME60 is a proxy for the NGN signaling and media stream. Through the SBC, the ME60 provides security protection for the devices and terminals in the NGN core network, and QoS for the VoIP service.

At the convergence layer of the MAN, the ME60 uses the SBC to ensure the security and QoS of the NGN, and simplify the networking. Thus the network deployment is simple.

The SBC service uses a 10G forwarding engine, which ensures the efficient forwarding and avoids the bottleneck in the network.

Security

The ME60 ensures the security of devices by:

* Separating the data plane from the control plane
* Authorizing users hierarchically
* Controlling the overloading
* Avoiding the DoS attack
* Encrypting protocol packets

In addition, the ME60 ensures the security of access terminals by:

* Authenticating the terminals
* Identifying and isolating the fraudulent terminals
* Controlling the access
* Limiting the access rate

The ME60 uses a high-performance stateful firewall to ensure the security of a network. The firewall of the ME60 supports Application Specific Packet Filter (ASPF).

The ME60 also enables attack tracing through logs.

H-QoS Support

Complying with the QoS scheduling model defined in DSL TR-059, the ME60 provides QoS scheduling by using a traffic management (TM) chip.

The ME60 can:

* Provide five-level QoS scheduling capability.
* Support the QoS of the access network, thus avoiding network congestion.
* Provide QoS scheduling for each terminal and session.

The policy is separated from behavior, so the QoS is configured flexibly and deployed conveniently. Moreover, the TM is separated from the packet forwarding engine (PFE), so the QoS processing does not decrease the forwarding speed.

The ME60 provides QoS scheduling for the IP and MPLS networks. To meet the QoS demands of the new services such as IPTV and Metro Ethernet, the ME60 performs traffic classification and congestion management on multicast flows and layer 2 information. Thus the quality of new services can be ensured.

 

 
 
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