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The Nortel Application Switch provides comprehensive
resiliency support for voice, data and video in the event
of link, node and site failures, by using true
active/active failover.
What makes Application
Switch OS outstanding?
The Nortel Application Switch with OS
24.0 integrates routing and switching by
forwarding traffic at Layer 2 speed using
Layer 4-7 information. The result is
sophisticated load balancing that is based
not only on network traffic volume, but
also on the nature of the traffic, server
responsiveness, CPU utilization and
server health.
The offering supports multiple applica-
tions and services on a single platform:
• Load balancing and Layer 2-7 content
switching
• Application acceleration and Secure
Sockets Layer (SSL) offload
• Security with integrated IPS and
Denial of Service (DoS) protection
• Disaster recovery/high availability
• Bandwidth management and traffic
shaping
• Rogue application management
• WAN link load balancing —
multi-homing
Flexible, scalable and built for the future,
the OS 24.0 provides extraordinary
control over application traffic. Unlike
many other application switches, the
Nortel Application Switch can be
deployed at Layer 2, allowing deploy-
ment without changing your existing
IP addressing scheme.
1
Requires Intelligent Traffic Manager (ITM) or
Bandwidth Management (BWM) license
2
Requires ITM and Symantec Intelligent
Network Protection license
3
Updated quarterly; DoS or ITM license
required
4
Model 2424-SSL E only
2
Exceptional features
The Application Switch with OS 24.0
offers rich features to deliver enhanced
security, greater application availability
and higher performance.
Application optimization
• Simplified and Intuitive web GUI for
easy configuration and management
• Local and global server load balancing
with health checks and persistence
• Virtual server-based load balancing with
up to 1,024 virtual servers, each distrib-
uting up to eight different services
• Filtered-based load balancing
• Content-based load balancing
• WAN link load balancing
• VoIP (SIP) call server load balancing
• Wireless Application Protocol (WAP)
load balancing
• Real Time Streaming Media (RTSP)
load balancing
• Multiple and Rapid Spanning Tree
Protocol (MSTP and RSTP) support
• Web services (XML/SOAP) inspec-
tion/redirection
• Sophisticated filtering rules
• TCP connection optimization and
multiplexing
• Domain Name Server (DNS) load
balancing
• Lightweight Directory Access Protocol
(LDAP) server load balancing
• Bandwidth management and traffic
shaping
1
The Nortel Application Switch with OS 24.0 has been
tested and certified to support a wide range of
applications from leading vendors such as Microsoft,
IBM, Oracle and SAP.
• Cache redirection and load balancing
• Disaster recovery through instant
failover with persistence and DC
support
• Management virtualization
• IPv6 Layer 4 load balancing support
• SSL acceleration
• Full network address translation
• Supports up to 2,048 packet filtering
rules and 1,024 real servers
Application integration
• Tested Solution with Microsoft Office
Communication Server (OCS)
• Tested solution for Microsoft's Live
Communication Server and supports
Windows Terminal Services
• Tight integration with IBM's
Enterprise Workload Manager and
DataPower XML Security
• Tested and integrated with
Softricity, Oracle, SAP, BEA and
other applications
• Open XML Application Programming
Interface
Application-layer security
• Symantec
Intelligent Network
™
Protection with LiveUpdate to detect
network intrusions
2
• Extensive DoS protection (TCP, IP,
UDP, ICMP)
3
• Bogus IP (Bogon) filtering
• Deep packet inspection with custom
filtering
• ACL filtering
• Detect and block rogue applications
• Enforcement point for Nortel's Threat
Prevention System (TPS)
• SSL Virtual Private Network (VPN)
remote access
4
• Firewall, VPN and IDS load balancing
3
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