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    High availability Networks


ASCE Networks' award winning OMNIRANGE WAN/ Internet Load Balancing and Traffic Management products ensures fastest content delivery for Multi-Homed networks. It simplifies multi-link implementation and provides intelligent traffic load balancing while avoid the shortcoming of traditional solutions which just provide "cold-backup" and could not use the multi-link resources simultaneously.

The Internet continues to grow, with seemingly no end in sight. As more data traverses the global IP backbone, the need for continuous " up time" and reliable data access becomes more crucial. To ensure constant Internet access, networks ranging from a corporate entity to e-commerce sites are deploying multiple Internet connections, usually through multiple Internet Service Providers (ISPs). This network architecture is commonly referred to as MultiHoming. Although this design creates a more resilient network and Internet access model, it also introduces certain complexities that are not always easily resolved. To help manage traffic in such a network design, ASCE Networks introduces the OMNIRANGE, an Internet Traffic Management product specifically designed for simplifying networks that utilize a multi-homed scheme.
Omnirange is especially suitable for the organizations, enterprises, campuses, e-commerce Web sites or small/medium ISPs who have multiple links to the internet.

Business Goal

Ensure 100 percent continuous Internet connectivity.

Network Topology

Omnirange is placed in front of multiple Internet routers of any mixed bandwidth capacity (E1/T1, Frame Relay, ISDN,Ethernet,Cable, DSL, etc). These connections can be from the same Internet service provider, or various providers for additional failure protection.

Performance Requirements

Distribute Internet (WAN) connections across a number of Internet links, greatly increasing the performance and availability of an organizations connection to the Internet.
Balancing traffic among multiple ISP links provides two critical benefits:
 Increased performance from the additional bandwidth;
 Redundancy in case of link failure.
When a link failure is detected it's dynamically removed from activity and re-added upon its recovery, transparent to the end user.

Omnirange performs WAN balancing, guaranteeing Increased Internet bandwidth and reliability.


Benefits of Load Balancing Across Internet/WAN Links

OMNIRANGE provides robust WAN load balancing options for organizations that require guaranteed availability and performance of their "multi-homed" Internet connection. The network administrator can transparently add or remove Internet links to increase Internet bandwidth capacity or perform router maintenance. Traffic is dynamically balanced across the WAN links in the cluster using advanced algorithms that ensure optimal link usage and traffic balance.

Scaleable Internet Bandwidth

With the ability to add and mix additional Internet connections, an organization can scale their bandwidth quickly and seamlessly as their needs increase. Add a DSL, cable modem, T1/E1, Ethernet, ISDN, or other connections into the pool of available Internet links and you'll be efficiently utilizing and monitoring these links in a matter of minutes.

Connectivity Failure Protection

With WAN load balancing enabled, a failure on a link to an ISP does not result in complete loss of Internet connectivity. OMNIRANGE continuously monitors the availability of the Internet links in the load-balanced cluster. If one of the links is determined to be down, it is dynamically removed from the cluster. Upon its recovery, it is added back into the pool of available links. Additionally, two OMNIRANGE appliances can be installed that monitor each other for failure, further guaranteeing uninterrupted Internet connectivity.

Simple Administration

Adding new Internet links and balancing traffic among these is achieved using a simply, drag-and-drop interface. Traffic is efficiently directed to the optimal link without the nightmare of configuring advanced proprietary router protocols.

Transparent Router Upgrades

Load balancing a group of Internet routers provides the flexibility of upgrading or replacing a router without bringing down the entire service. For example, a router can be gracefully brought out of service, updated with the latest software, and placed back into service, while the load has been evenly distributed to the other routers in the cluster during the process.


Other Functions and Features

Server Load Balancing:

Can be used to efficiently balance traffic for services such as web sites, ftp, e-mail, LDAP and most other IP-based applications. Omnirange can track session state when needed to guarantee that the same server receives all traffic from a client, which is critical for many e-commerce transactions. Many algorithms are available to determine the traffic distribution among the servers including round robin, weighted round robin, least connections and fastest response time. Additionally, if all of the servers use Windows NT/2000 for their operating system, traffic can be balanced on any performance monitor counter that is common among the servers, such as lowest CPU or memory utilization.

Detailed Traffic Statistics:
With detailed traffic statistics available in all ASCE Networks's products, you can quickly determine which server, user or application is generating traffic on the network. Policies can then be quickly created to limit or prioritize the traffic to match your business goals and policies.

Secure Your Network.:
Omnirange's Source and Destination NAT improve network security, maximize IP address usage, and redirect packets to different IP addresses.

Handling High-Volume E-Commerce:
Packets from a user are handled as a flow and not just as individual packets, which is critical for applications such as e-commerce traffic where all traffic flowing from one user must be directed to the same physical server for accurate processing

Security Device Load Balancing:
Can be used to efficiently balance traffic for security devices such as firewalls, proxy server and VPN devices£¬ensure link security and high performance for data transfer.

URL Inspection and Switching:
Manage web traffic based on the HTTP URL. For example, dynamic content (*.cgi, *.asp, etc.) can be handled by one group of web servers while static content is served by another group.

SMTP Alerts:
Standard email (SMTP) alerts are sent to the configured email addresses when triggered by specific events such as a server failure, server re-activation, Internet connection problem and more.

Cache Redirection:
HTTP requests can be filtered and redirected to a cache server for increased performance and Internet bandwidth savings.

Remotely Set Microsoft TCP/IP Address Settings:
The Omnirange can configure TCP/IP settings on a remotely administered computer.

Remote Network Diagnostic Utilities:
When remotely connected to an Omnirange, the administrator can issue Ping and Traceroute commands and examine/manipulate information in the remote computer's ARP and IP route tables.

Technical Specifications

Standards Supported
10Base-T/100Base-TX(IEEE 802.3, 802.3u)‚1000BASE-SX(IEEE 802.3z)‚IP‚RIP‚OSPF‚ Telnet(RFC 854)

Network Interface
10/100 full or half-duplex (auto-negotiation) with RJ-45 connections for UTP ports
1000-Base-SX full or half-duplex with SC connector

Width: 432mm
Depth: 432mm
Height: 44mm(1U)
Weight: 5kg

- Temperature 0°C to 40°C
- Humidity 5% to 95% (non-condensing)

- Auto-ranging supply: 90-265 VAC@ 47-65 Hz

Emissions: FCC, CFR 47 Part 15, Subpart A ANSI C63.4D11.4 1991, VCCI Class 1, FCC OST 55, CISPR 16, CISPR 22, CSA C108.8-M1983 (R1989), EN55022, CE, EN6100-3-2, EN60555-2
Safety: UL 1950, CUL, DIN/VDE 0805, CSA 22.2, No. 950-93, IEC 950, EN 60950 TUV EMKO-TSE (74-SEC) 207/94 Nordic Deviations to EN 60950


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