1 hp prcurve netwrking business april 2003 preparing the enterprise netwrk fr VIP business white paper table f cntents intrductin 2 chsing the right VIP slutin 3 evaluating slutins 3 critical success factrs 4 PrCurve VIP readiness 5 PrCurve: Ethernet switches 8 and Mitel strategic partnership 8 value prpsitin 8 summary 9 fr mre infrmatin 9
2 1 Hchmuth, Phil and Green, Tim. Answers t yur VIP Questins. Netwrk Wrld Article. 2 Vice ver Internet Prtcl intrductin Is Vice ver Internet Prtcl (VIP) really less expensive than maintaining separate vice and data netwrks? Is VIP cmplex t deply and maintain? Is the technlgy reliable enugh fr tday s demanding business envirnments? What des it take t upgrade an existing netwrk t supprt VIP services? Mst imprtantly, d the benefits f VIP utweigh the risks when cnsidering mving away frm a traditinal circuitswitched telephne netwrk? A grwing number f enterprise cmpanies are asking these types f questins as they lk t integrate vice and data netwrks int a single multi-service netwrk. Many cnsider deplying VIP when legacy cmmunicatin equipment cannt supprt nextgeneratin applicatins such as unified messaging, cllabrative data sharing, vide streaming and vide cnferencing, push-t-talk Web pages, netwrk-enabled call centers and mre. Because f this, VIP is a bright spt in the therwise dim telecmmunicatin industry. Mre than 40 percent f U.S. businesses with mre than 500 emplyees have begun t implement IP lcal area netwrk (LAN) telephny systems. In additin, industry experts believe that the VIP market will duble in VIP technlgy digitally transmits analg vice signals by cmpressing them int IP packets and mving the infrmatin ver the Internet and private switched Ethernet netwrks. The challenge with vice packets is that they are real-time, tw-way traffic types that are adversely affected by delay, jitter, and packet lss. As a result, quality f service (QS) and bandwidth issues must be addressed as an enterprise cmpletes its netwrk assessment, develps its VIP radmap and migrates t VIP services. In additin t prviding an pprtunity fr significant cst savings, VIP deplyed in an enterprise netwrk ffers several benefits. Using ne netwrk infrastructure t meet an enterprise s cmmunicatins needs prvides increased flexibility fr adding new phne features and extensins; the pprtunity t reduce verhead via tll bypass and resurce cnslidatin; the additin f new cmmunicatin capabilities with advanced applicatins; and the ability t future-prf the enterprise netwrk. Mrever, by cmbining vice and data services, enterprises can simplify and streamline netwrk resurces while psitining their netwrk fr lng-term viability. In the shrt term, the challenge is t understand bth the business and technical requirements fr successfully delivering VIP while maintaining suitable QS and bandwidth utilizatin. Enterprises must perfrm the required due diligence n their existing netwrk infrastructure and cmpnents, and assess their cmmunicatin needs as they relate t current and future business bjectives. This paper is designed t help enterprises prepare fr VIP by lking at netwrking slutin requirements. With a clear migratin strategy, alng with a well-designed and managed netwrk, enterprises can eliminate many f tday s VIP challenges. The PrCurve Netwrking business prvides the PrCurve Netwrking Adaptive EDGE Architecture that supprts all leading VIP slutins with easy-t-use traffic management technlgies and an infrastructure that prvides intelligent cntrl t the edge f a netwrk. Plus, PrCurve delivers data and vice cnnectivity ver the mst affrdable and easy-t-manage infrastructure available tday.
3 2 IDC research. IDC Says Market fr IP Telephny Will Weather the Telecm Strm. January 29, Press release. 3 Vice ver Internet Prtcl chsing the right VIP slutin evaluating slutins Enterprise telephny slutins shuld be driven by telephny requirements and business demands, nt restricted by LAN infrastructure needs. In ther wrds, enterprise decisin makers must evaluate and understand the critical set f telephny services and features required fr their business when they prepare fr and implement VIP. Once business requirements are determined, the LAN can be designed and adapted t accmmdate the VIP slutin r set f services. As mentined, VIP has emerged as a bright spt in the therwise dim telecmmunicatin industry. Research firm IDC prjects the verall IP telephny market will increase at a cmpund annual grwth rate f 45 percent t reach a revenue base f $15.1 billin by the year Mrever, IDC prjects the best grwth in enterprise systems such as IP- private branch exchange (PBX)s Fr this year, the current frecast shws a 66 percent increase in equipment sales t enterprises. 2 This means that there are and will cntinue t be a variety f IP LAN telephny slutins available, ranging frm systems with limited feature sets t high-end PBX slutins. PrCurve switches interperate with any standards-based IP telephny equipment an enterprise business chses t meet its cmmunicatin requirements. Thus, enterprises can make IP LAN telephny decisins based n the features that best meet their critical business needs. Accrdingly, by prviding a standards-based netwrk infrastructure, PrCurve enables enterprises t chse the right VIP slutin withut being lcked int buying features they dn t need r want. The PrCurve prduct family gives infrmatin technlgy (IT) managers the freedm t mve ahead with VIP with the cnfidence that they will be able t serve their enterprises well in the future. Traditinally, enterprises have used bth a public switched telephne netwrk (PSTN), als knwn as a circuit-switched netwrk, and a separate Ethernet/IP netwrk carrying data files fr business cmmunicatins. As enterprises evaluate cnverging existing netwrks and chse VIP slutins, they need t cnsider the fllwing questins: Des the IP vice slutin ffer all the capabilities and features the rganizatin will need t successfully run its enterprise? Hw will the enterprise telephny slutin be deplyed t ensure reliability? Is the IP telephny slutin based n standards and interperable with pen industry netwrking slutins, r is it prprietary? What is the ttal cst f wnership ver the life f the slutin? Hw well des the equipment wrk in a multi-vendr envirnment? Can the system expand as needs change and grw? In additin t asking these questins, enterprises shuld cnsider using nly standardsbased fferings t reduce netwrk cmplexities and increase the lng-term flexibility and verall manageability. Implementing a multi-service netwrk allws cmpanies t transitin frm circuit-based t packet-switched phne systems and ffers reliable and affrdable cmmunicatins. Unfrtunately, sme next-generatin IP-PBX vendrs use the rip and replace methdlgy fr installing new vice systems, which can lck custmers int prprietary slutins and expensive hardware.
4 Vice ver Internet Prtcl PrCurve suggests that enterprise custmers create a lng-term netwrk plan fcused n standards-based, pen slutins that are designed t maximize netwrk investments. This radmap prvides flexibility and an intelligent architecture that can evlve dynamically with industry advances. T increase netwrk efficiency, decisins abut netwrk access, traffic priritizatin, traffic flws and bandwidth ptimizatin can n lnger be centralized at the cre f the netwrk. As new applicatins becme pervasive, mre functinality must mve t the edge f the netwrk t effectively supprt users while making efficient use f the netwrk resurces. Many IP-PBX systems have evlved t include features cmmnly fund in traditinal PBX systems, but at a much mre affrdable price. Enterprises als need t evaluate whether a system has the flexibility and reliability required t handle current telephny traffic types. Additinally, the ideal slutin must scale t handle netwrk expansins effectively and in a cst-effective manner. There are many advanced features available in VIP systems that are designed t slve critical enterprise cmmunicatin needs including: H.323 cmpatibility: H.323 ensures IP telephny slutins can cmmunicate with ther vendrs IP telephny equipment, such as IP telephnes, Web phnes r Micrsft NetMeeting. SIP (sessin initiatin prtcl) cmpatibility: SIP is a standard fr call set-up and signaling. An enabling technlgy, SIP is driving vendr develpment f PC-t-Phne integratin and user-defined cmmunicatins. Messaging system integratin: The ability t cmbine , instant messaging, fax and vice mail int a single mailbx. Paging: This feature is especially useful if the campus paging system des nt prvide cntrl ver which parts f the building receive a given page. Autmatic call distributin (ACD) supprt: ACD is key fr help desks r ther situatins where incming calls must be quickly and efficiently distributed amng a number f call agents t prperly handle all custmers including pririty custmers and issues. Cmputer-telephny-integratin (CTI): Enterprises can cmbine CTI features with ACD supprt t bst revenue and custmer satisfactin in Web-based e- cmmerce applicatins. Fr example, while nline, custmers can press a talk t me buttn t speak with a service agent in real-time. Integratin with existing systems such as billing (call reprting) r htel prperty management systems (PMS). Tll reductin: The mst tuted benefit f VIP, tll bypass capabilities prvide reduced lng-distance charges which can be especially imprtant with internatinal calls. critical success factrs T prvide the flexibility t chse the IP telephny slutin that best fits cmmunicatin needs, the enterprise IP infrastructure must be based n industry standards and penness. In additin, selecting the best VIP slutin fr an enterprise envirnment requires assessing five critical success factrs that cmbined, are nt nly imprtant t the IP-PBX, but als t the LAN (see figure 1). These critical success factrs are all aimed at helping the netwrk manager evaluate different vendrs fferings and lng-term strategies. 4
5 Vice ver Internet Prtcl rich feature ffering vendr viability VIP slutin security slid netwrk health vendr reliability figure 1. Critical success factrs 1. Feature fferings: Des the IP LAN telephny system fit business requirements? 2. Perfrmance f the netwrk: Des the IP infrastructure supprt vice? 3. Security: Des the netwrk prvide the security features t supprt access security, management security and attack resiliency? 4. Reliability: What is the supprt ffering and prduct quality prvided by the IP netwrk vendr and IP LAN telephny vendr? 5. Vendr viability and supprt: Will the IP netwrk vendr and IP LAN telephny vendr be in business and accessible fr supprt if a prblem ccurs? PrCurve VIP readiness The PrCurve netwrking slutins ffer an unparalleled range f traffic priritizatin features t prvide traffic type cexistence and QS functins that virtually eliminate the need fr custm netwrk design architectures and ensure supprt f current and future vice, vide and cntent delivery applicatins. The architecture has flexibility built-in t handle different traffic types. In simplest terms, enterprises can manage their netwrk t change behavir and respnses based n all existing and ptential requirements and pprtunities. In additin, PrCurve VIP slutins are develped t deliver cnnectivity at the edge f the netwrk ver an easy-t-manage, standards-based infrastructure. Only cntrl t the edge securely prvides the rbust functinality necessary t supprt all current and future traffic and applicatin types. 5
6 Vice ver Internet Prtcl PrCurve s apprach t VIP aligns directly with custmer needs and includes the fllwing capabilities and rich functinalities: 1. QS /vice quality: PrCurve s strategy fr LAN QS prvides prvisining, traffic cntrl and priritizatin which wrk tgether t maintain the health f the netwrk. PrCurve slutins als easily integrate QS features that scale t meet future needs and ffer standards-based features including: Prvisining: PrCurve switches prvisin the netwrk s that cngestin is eliminated in all but the mst extreme instances. Priritizatin: PrCurve switches priritize critical traffic in rder t prvide predictable thrughput even under extreme cnditins using Layer 2 IEEE 802.1p and Layer 3 IP type f service (IP TOS), IP precedence and differentiated services (DiffServ). Mst cmpeting Layer 2 switches have limited traffic priritizatin capabilities and if included, they cannt preserve the priritizatin thrughut the netwrk end-t-end. Cntrl: PrCurve switches prvide netwrking technlgies such as virtual LANs (VLAN)s t eliminate unwanted traffic. Class f service: PrCurve 5300xl switches ffer a queuing mechanism t limit delay and imprve QS via weighted fair queuing (WFQ) which is a packet scheduling technique that allws guaranteed bandwidth services. The purpse f WFQ is t allw several traffic types t share the same link and t prvide fair treatment fr all types f traffic. Priritize prts: Pririty can be set fr untagged packets received n any given prt. This functinality allws administratrs t assign higher pririty t specific prts helping t enable faster access and higher bandwidth fr VIP, vide-n-demand, IP-TV and thers. Flexible traffic classificatin: T give custmers maximum netwrk adaptability, PrCurve prducts supprt new and existing prtcls including; UDP/TCP Prt, Surce Prt, VLAN, Ethernet Prtcl, IP address, and/r IP TS (t update the 802.1p pririty r TOS Byte). PrCurve als uses flexible DiffServ Cde Pint (DSCP) plices fr IP priritizatin. 2. Standards: is leading the charge fr interperable, pen industry standards. Recent Tlly Grup testing shws PrCurve multi-service netwrks deliver vice quality with Mitel n par r better than Cisc and 3Cm VIP slutins. A truly netwrked wrld must cmmunicate crss-platfrm and crss-prduct. PrCurve slutins are interperable and with industry-standard cmpnents, PrCurve prducts are ready fr all types f traffic. PrCurve multi-vendr testing and interperability mean universal VIP supprt. 6
7 Vice ver Internet Prtcl 3. Investment prtectin: The PrCurve Netwrking Business prvides investment prtectin by ffering sftware updates at n additinal cst and a lifetime warranty. 4. Security: PrCurve s security t the edge slutins include a framewrk f access security, management security and attack resiliency. Access security cntrls wh and hw users are cnnecting in a wired and wireless wrld. Management security includes the prtectin f the netwrk infrastructure itself and prevents unauthrized users frm verriding ther security prvisins. Attack resiliency creates a mre reliable and available netwrk infrastructure designed t survive a netwrk attack withut interrupting service r ging dwn. In additin, PrCurve Netwrking prvides Simple Netwrk Management Prtcl versin 3 (SNMPv3), 802.1X security and rbust functinality t supprt current and future traffic and applicatin needs at the edge where traffic enters and exits the netwrk. PrCurve security slutins are cmprehensive, easy t manage and are built n industry standards t ensure the highest security in the industry. 5. Reliability/resiliency: PrCurve Netwrking delivers reliability and legendary quality. This ensures fault-tlerant designs, the highest levels f prduct integratin and htswappable cmpnents. In additin t a lifetime warranty, 's wrldwide service and supprt teams are available 24 x 7. PrCurve Netwrking phne supprt (during business hurs) and Web supprt (all the time) are included in the purchase price f the prduct. 6. Investment prtectin: T prtect IT investments, an enterprise netwrk infrastructure must allw fr the implementatin f new technlgies tday and in the future withut cmplete prduct replacements. The PrCurve 5300lx Switch Series prtects custmers lng-term capital interests by including advanced QS features with an affrdable Layer 3 price, free sftware updates, netwrk management and lifetime warranties. In Fall 2003, the PrCurve 5300xl chassis will be upgradeable t 802.af Pwer ver Ethernet. PrCurve Netwrking price/perfrmance leadership means cnsistently delivers the perfrmance and functinality that enterprise cmpanies require t meet tday and tmrrw s netwrk and business needs. 7
8 Vice ver Internet Prtcl PrCurve: Ethernet switches PrCurve has a cmplete line f Ethernet switches that ffer end-t-end VIP readiness Layer m Layer 2 & gl Layer 2, 3, & xl Layer 3 & m IEEE 802.1Q VLAN supprt recgnize IEEE 802.1p pririty recgnize IP TOS bits (DiffServ) insert 802.1p/q tag translate IP TOS t 802.1p preserve vice packet pririty n ruted packets hardware queues per prt # f queue scheduling algrithms and Mitel strategic partnership value prpsitin PrCurve, the number-three enterprise switch prvider, and Mitel, the number-tw IP- PBX prvider, frmed a strategic partnership t deliver wrld-class VIP cmmunicatins slutins. This team jined frces t prvide custmers with next-generatin slutins that deliver the pwer f vice, data, and vide t users wherever and whenever they need it. Wrking tgether, these cmpanies were amng the first t deliver cnverged vice and data prducts that leverage LAN cnnectivity in vice cmmunicatin systems. Thrugh this partnership, PrCurve and Mitel lead the way with easy-t-use reliable enterprise-class slutins at an affrdable price. PrCurve Netwrking Business meets custmer needs by cnsistently delivering n its value prpsitin which includes the fllwing key elements: high availability; affrdability; security; ease-f-use and interperability. The cmpany has a prven track recrd f inventin and experience that allws them t deliver an adaptive and 8
9 Vice ver Internet Prtcl affrdable infrastructure fr tday s and tmrrw s VIP needs. summary fr mre infrmatin As VIP gains mmentum, enterprises are evaluating and planning fr multi-service netwrks. This is driven nt nly by ptential cst savings, but als by the pprtunity t quickly and easily deply next-generatin applicatins t imprve business cmmunicatin and cllabratin. T ensure a successful VIP deplyment, enterprises shuld assess their cmmunicatin needs as they relate t current and future business bjectives. Decisins shuld be based n cmmunicatin requirements, nt restricted by the LAN envirnment. What is mre, the requirements fr VIP d nt have t be cmplex. Deplyments shuld capitalize n pen systems t ensure interperability, create prductivity gains and prtect investments. PrCurve suggests that enterprises mve intelligence t the edge f the netwrk. This strategy reduces VIP implementatin cmplexity by adding mre cntrl and functinality at the edge f the netwrk where the user cnnects. In additin, by using the PrCurve EDGE Architecture, enterprises can easily make decisins based n the user and user cmmunities, and at the same time prvide cntrl f QS and bandwidth ptimizatin. The requirements f the next-generatin netwrk can nly be met with mre cntrl and functinality at the edge f the netwrk. PrCurve further reduces the cmplexity f VIP implementatins by ffering free upgrades and lifetime warranties n its prducts. With the PrCurve Adaptive EDGE Architecture, an enterprise s netwrk infrastructure is ptimized t handle cnvergence, mbility and security in a unified and cst-effective way that will scale t meet future needs. T learn mre abut PrCurve Netwrking slutins, cntact yur lcal sales representative r visit the cmpany s Web site at: The infrmatin in this dcument is subject t change withut ntice. Cpyright 2003 Hewlett-Packard Develpment Cmpany, L.P. 04/ EN 9
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