This graph represents what actually happens with an unmanaged IP WAN link. It is free for all! Some IP applications will misbehave and will use all bandwidth available: a large Web download, a Software update or a large e-mail attachment are good examples. In the mean time, VoIP or Citrix packets will have to wait until those other, less important applications are transmitted. Predictably this causes jitter, delay and garbled conversations. In the Citrix case, a key board stroke to refresh an screen will suffer unacceptable delays. CTX 600 fixes this problem by guaranteeing bandwidth and priority for the important applications while allocating the remaining bandwidth to the rest or less-important ones. The result is toll-quality VoIP and optimal utilization of your WAN link bandwidth.. Without the cost, complexity and effort required by other solutions available.
Products available today have been fine for the applications historically in use. Looking forward, these network centric products are not adequate for the more demanding applications envisioned by the enterprise. Existing router network : Routers are best at fast forwarding of packets. They take a packet-by-packet view of the world, coarsely managing bandwidth at the level of traffic classes, not end user sessions or VoIP calls. Adding bandwidth does not solve the problem, because more bandwidth does not guarantee how that bandwidth is used. Web traffic can still stop a VoIP call. While building a separate VoIP and data network may improve performance - it does so at a very high cost. Application Delivery/Acceleration appliances . These products are often application specific, solving a single problem in what may be a proprietary way. For example, some are designed to improve Microsoft office application performance - which by the way has been addressed with a solution that is now ready for deployment by Microsoft. None of these products solve the bigger problem of holistically making all business applications perform - each with their own policy guarantees. MPLS : Many enterprises are considering MPLS at the core as a way to manage end-to-end application performance. In reality, MPLS still requires a solution at the customer edge to groom traffic with session level guarantees into the aggregate classes of traffic being managed end-to-end. One note: traffic must still be discovered, classified, and marked before handing to the MPLS network. This process can be difficult for routers.
Companies of all sizes are looking for methods to reduce their costs. When it comes to increasing a company’s profitability, reducing costs by $1 is the same as increasing revenues by $5. When companies are experiencing unacceptable application performance over their WAN, they typically add additional expensive telecomm services Companies need to think outside the box and not just throw more bandwidth at the problem to address network performance, congestion and growth issues The Application Aware Network Overlay solution that Converged Appliances creates can improve the bottom line by: Significantly reduce telecommunications costs either by eliminating the need to upgrade WAN capacity or by reducing present line speed and capacity Improve productivity of professional and production staff through faster application response-times Simplify network operations by leveraging the existing infrastructure
Customer environment Global media company with mobile organizations Separate voice & data networks Needed to be setup & torn down Tens or Hundreds of phone lines
This major UN agency has permanent offices in over 180 locations around the world. Many offices are in third world countries with poor and/or expensive terrestrial telecom infrastructure. In addition to the permanent offices, temporary offices are created in distressed areas with little telecom infrastructure, literally around the clock. Add to that highly mobile personnel that have an urgent need to be in touch with their field offices via both phone and email. The mandate to rapidly cover “hot-spots” all over the world motivated significant changes in the network. Over the years, this organization had moved to dedicated frame relay over either terrestrial lease line or VSAT links ranging in speed from 64Kbps to 256 Kbps. Utilization was generally in the 40% range but the organization had little knowledge of what was consuming the bandwidth. The voice network was separate and expensive. Temporary lines were difficult and expensive to acquire, install, use and change. Meanwhile, the data network was generally underutilized. To reduce cost, IT management decided to converge voice and data onto the frame relay and VSAT networks. Voice quality had to be maintained. The first step was to characterize traffic for each type of office. Sites were classified not only by type but also expected trends for applications and traffic. This allowed the IT organization to create several generic templates representing all field sites. The policies created first allocated specific bandwidth and priority for important applications and set a default class with capped bandwidth for all other non-business applications. VoIP traffic was then added, with each site given support for a guaranteed number of calls. The results were spectacular. International toll charges were dramatically reduced. High telephony quality was achieved on a very reliable basis - meeting or exceeded the metrics achieved through the PTT network. Business applications received consistently low response times and guaranteed bandwidth. Non-business applications used whatever bandwidth was left after the priority applications were satisfied. In addition, network utilization in some cases exceeded 90%. The savings from toll charges exceeded the cost reduction goals and funded incremental VSAT bandwidth as well as a new email system for the agency.
By integrating these core technologies across products that include the company’s Converged Traffic Manager (CTM) series, Converged Access Point (CAP) series and Converged Policy Manager (CPM), the company delivers a number of solutions for small, medium, and large enterprise customers. Delivering Toll-Quality VoIP : Rising end user complaints and support costs are eliminated as the network delivers toll-quality performance for each VoIP call. Converged Access meets this business use standard with a solution that can also manage the impact on other network applications. Business Application Performance Guarantees : Business applications like Citrix, SAP, and Point of Sale receive performance guarantees to assure customer response, improved employee productivity, and optimized WAN efficiency. This solution protects existing router network investments while enabling the migration to toll-quality VoIP when the enterprise is ready. Converged Application Performance Control: The enterprise is empowered with cost savings and new business value as data, VoIP, and video applications perform as expected and emerging rich media, collaboration and Web services are able to become part of the business application mainstream.
In a small branch, users can connect all devices to a switch and then the switch to the CTX. In a Small Business, the CTX 4 switch port may be sufficient to connect directly all needed devices. Although there are many different scenarios, CTX 600 must see ALL traffic in order to inspect and control it. If the routers in this picture were to have a WAP interface, that traffic would escape the CTX traffic management control.
Professional VoIP – State of the Art VoIP Becomes Business Class
Professional VoIP – State of the Art VoIP Becomes Business Class Juan Carlos Garcia VP Product Management Converged Access
Agenda <ul><li>VoIP Market Overview </li></ul><ul><li>What are the barriers to adoption? </li></ul><ul><li>What are the solution options? </li></ul><ul><li>Guaranteeing business class VoIP </li></ul><ul><li>Questions and answers </li></ul>
The VoIP Market is Here 2004 2009 $B Year $ 4.4bln $ 11bln VoIP Equipment H/W, Phones, S/W 2005 $ 3.1bln VoIP Equipment Market ($B, Worldwide) Source: Synergy Research Group
VoIP Implementation Trends <ul><li>By 2008, 74% of large enterprises expect to fully migrate to IP-based voice networks </li></ul>
What wa s Limiting VoIP Deployment? We need to deal with these issues to provide Business Class VoIP.
New Solutions – New Challenges LOW HIGH Text e-mail E-commerce Internet/ intranet E-mail with Attachments ERP VoIP Citrix/SNA Streaming Video Video Conferencing Gaming Bandwidth Requirements Latency Sensitivity HIGH Business Critical & Latency Sensitive Applications NEED Prioritization!
The “VoIP Does Not work” Problem Traffic After applying control Priority and bandwidth guarantees ensure toll-quality VoIP performance Lack of QoS results in poor VoIP performance Traffic Before any control
Today’s Options Are Limited <ul><li>The Existing Router Network </li></ul><ul><ul><li>Good at “better, faster, cheaper” forwarding of packets </li></ul></ul><ul><ul><li>Packet-by-packet control (not application-aware) </li></ul></ul><ul><ul><li>Not designed for real-time traffic guarantees </li></ul></ul><ul><ul><li>Complex to configure </li></ul></ul><ul><li>MPLS Backbone </li></ul><ul><ul><li>Manages delay and jitter within the core </li></ul></ul><ul><ul><li>Last mile/access point (customer edge) must still be managed </li></ul></ul><ul><li>Add More Bandwidth </li></ul><ul><ul><li>Dual, separate links </li></ul></ul><ul><ul><li>Increase bandwidth </li></ul></ul>These are generally network-centric solutions
Today’s Options: More Bandwidth Dual WAN Links Wide Area Network Second T1 Access Link T1 Access Link Dual access lines ─ Double the cost and defeat the promise of convergence! KEY: Voice Traffic Business Data Traffic Non-critical traffic
Today’s Options: Even More Bandwidth Higher Speed WAN Pipes Wide Area Network Bonded N x T1 Access Link Bigger WAN pipes do not guarantee better performance – VoIP packets can still be impacted by data packets and the cost increases
Converged Access’ Solution <ul><li>Guarantees bandwidth availability and priority for: </li></ul><ul><ul><li>Voice traffic </li></ul></ul><ul><ul><li>Mission critical data applications </li></ul></ul><ul><li>Dynamic bandwidth allocation ─ makes unused bandwidth available for other applications </li></ul><ul><li>Optimal bandwidth use ─ more calls and less bandwidth costs </li></ul><ul><li>Full traffic visibility </li></ul>Converged Traffic Manager Router Wide Area Network KEY: Voice Traffic Business Data Traffic Non-critical traffic
Case Study: TV Network Lowers Costs with High-Quality News Driven VoIP/Data Solution <ul><li>Challenge: </li></ul><ul><ul><li>Decrease long distance phone bills caused by telephone infrastructure for news and sports events </li></ul></ul><ul><ul><li>Moved from satellite based circuit-switched data network to an IP backbone eased data network complexity, but voice network was still “a nightmare” </li></ul></ul><ul><ul><li>Converge Voice & Data networks to reduce costs, simplify tasks and enable quicker implementation </li></ul></ul><ul><li>Solution: </li></ul><ul><ul><li>Traffic manager installed at several events </li></ul></ul><ul><ul><li>Monitored and classified traffic by application </li></ul></ul><ul><ul><li>Reported detailed profile for each event </li></ul></ul><ul><ul><li>Helped qualify the overall health of the network: Congestion levels, latency & overall utilization </li></ul></ul><ul><ul><li>Built a typical profile for each type of event </li></ul></ul><ul><ul><li>Generated policy templates to pre-load and deploy traffic manager </li></ul></ul>Winter Olympics 2006 Torino, Italy
Case Study: TV Network Lowers Costs with High-Quality News Driven VoIP/Data Solution <ul><li>Results: </li></ul><ul><ul><li>Reduced bandwidth required for events from several T1’s to a single T1 </li></ul></ul><ul><ul><ul><li>Up to 96 compressed VoIP calls on a single T1 </li></ul></ul></ul><ul><ul><li>Improved response times for all Latency Sensitive Data traffic because of guaranteed bandwidth </li></ul></ul><ul><ul><ul><li>All Non-Business traffic is monitored AND capped </li></ul></ul></ul><ul><ul><li>Reduced by 10 fold the time for set-up/tear-down </li></ul></ul><ul><ul><li>Extended converged data/voice implementation to ALL fixed sites, and added video onto the network </li></ul></ul><ul><ul><li>Increased predictability of network </li></ul></ul><ul><ul><ul><li>Staff gained confidence in the ability to manage and control traffic at the session level, with great reliability and repeatability </li></ul></ul></ul>
Case Study: UN Agency Delivers Toll-Quality VoIP and Data to 180 Countries Fixed and Temporary Field Offices <ul><li>Challenge: Lower voice costs with guaranteed voice quality while converging voice and data over a multi-country frame relay and VSAT network. </li></ul><ul><ul><li>Performance Results: MOS 3.9 </li></ul></ul><ul><ul><li>2 calls/64Kbps VSAT link </li></ul></ul>Results: ROI within 6 weeks. Savings from International toll charges funded incremental VSAT bandwidth and new email system. Headquarters Remote, mobile field employees IP PBX CTM Router Terrestrial and VSAT Business data Internet access Voice over IP Converged Policy Manager Internet Remote Access IP over Frame
An Enterprise Solution <ul><li>Toll-Quality VoIP Performance </li></ul><ul><li>Business Application Performance Guarantees </li></ul><ul><li>Hosted VoIP Services </li></ul><ul><li>IP PBX VoIP Based Solutions </li></ul><ul><li>Hosted/Managed Business Service </li></ul>IP VPN, MPLS, FR, DSL WAN Data Center Regional/Branch Sites Branch/Remote Sites
A SMB Solution <ul><li>SMB and small branch business deploying VoIP solutions over an IP WAN </li></ul><ul><ul><li>Retail, Travel, Real State, Professional Services, Health Care ( Nurse, Doctors, Diagnostics networks), Brokers, etc. </li></ul></ul><ul><li>Installed base of VoIP IP WAN solutions which: </li></ul><ul><ul><li>Have poor quality VoIP </li></ul></ul><ul><ul><li>Have high support costs </li></ul></ul><ul><li>Small Branch enterprises facing performance issues with a single critical data application: Citrix, HTTPS, Lotus Notes, etc. </li></ul><ul><li>Branch-of-one converged sites </li></ul><ul><ul><li>Brokers, Executive Telecommuter, Sales Professionals, & Knowledge Workers </li></ul></ul>
SMB Deployment Scenarios SMB with several devices: PC’s, WAP and IP Phones Non Wireless Router SMB with up to 4 directly connected devices Non Wireless Router/DSL Router
Thank you Juan Carlos Garcia Converged Access, Inc. 305 Foster Street Littleton, MA 01460 Main: 888-748-2720 Direct: 978-742-1406 [email_address] www.convergedaccess.com
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