Data Center Revolution Impact on Ethernet and MPLS

Transcription

1 USB Data Center Revolution Impact on Ethernet and MPLS Umesh Kukreja Hans-Jürgen Schmidtke Kim Jones FutureNet, April Nokia Siemens Networks Copyright Nokia Siemens Networks, All rights reserved.

2 Key Points Dramatic bandwidth increase for data center networking on a nationwide scale change of the nature of services Large build-outs of data center applications are happening Carrier Ethernet Transport platform new economic optimization points with DWDM and Carrier Ethernet technology. enables effective multiple layer optimization for DWDM and CE Topological growth flexibility and ease-of-use are key Page 2

3 Data Center Revolution - Agenda Data Center and Market Trends Data Center Metro Networks Data Center National Network Architecture Conclusions Page 3

4 100 x Increase in Traffic by 2015 Applications pre-dominantly in Internet Applications pre-dominantly in Internet 5 Billion people connected Broadband Everywhere Multitude of business models 100-fold traffic increase This implies that: Total cost of ownership must decrease Technology break as IP reaches economical limits High data rate support Page 4

5 General Applications Trends Changing business environment Telco The Service Aware Network Data Variety of applications and resulting services: Business Mobile Backhaul GPON Ethernet Business Residential: Triple / Quadruple play Business: Managed services Video Server Video Distribution Residential Mobile backhaul TV-Headend Cryptography Requirement: Deployment flexibility and service dynamics Page 5

6 The Data Center Challenge Bandwidth demand increases continuously Technology challenges as IP reaches economical limits Total cost of ownership must decrease dramatically 1. Ethernet gains further momentum: From enterprise services to consumer data applications Carrier Ethernet Transport (CET) is emerging technology Entering the classical telco transport domain to overlay or replace SONET/SDH 2. Dynamic optical networks are a necessity to support the value proposition optical layer (DWDM) is expanding to facilitate the transport of increasing packet traffic volumes driven by data centric applications 3. Converged and simplified end-to-end networks Network application flexibility necessary for easy topological growth highest deployment flexibility Page 6

7 Data Center Management Key Requirements Eliminate network layers while reducing complexities and equipment costs Improve resource use to achieve optimal bandwidth efficiency Simplify end-to-end provisioning to improve time-to-market Automate network management for scalability and reduced operating expenses Automatically detect problems resolve them faster across the entire network Page 7

8 Data Center Revolution - Agenda Data Center and Market Trends Data Center Metro Networks Data Center National Network Architecture Conclusions Page 8

9 Data Center Transport Technology Options Strategic Growth Markets Established Markets Meshed optical networking Fully agile optical and meshed networking ROADM Ring and p-t-p Carrier Ethernet 40G NGN SDH/ SONET Legacy SONET 100G Emerging Chasm Chasm Growing Mature Declining Page 9 New technologies enable many new powerful and cost-effective architectures / solutions

10 Telco & Data Center Networks - Comparison Telco Networks Intra metro connectivity increasing at dramatic speeds. Ethernet connectivity services ranging from 10M to 1G Typically 4 to 5 POPs with 10G metro connectivity Business SLAs are mission critical with financial penalties Data Center Networks Intra-datacenter connectivity exploding Intra-cage connectivity ranging from 100M to nx10g 2 to 4 Datacenters in Metro for resiliency; 10G to 40G bandwidth SLA s between Cages and servers are mission critical Long haul Network nx10 G long haul network Multiple carriers involved in building a nationwide network. Long haul Network Need to deploy 40G and 100G national network Simplicity of management is key to an ultra scalable network. Page 10

11 Flexibility and Simplicity for Data Centers Flexibility of Bandwidth CIR for applications requiring SONET like bandwidth guarantees EIR bandwidth for best effort applications such as occasional bursts. Flexibility of Service Creation Enables flexible service packages to meet specific market demands and dynamics. Example 10M bundle (3M CIR and 7M EIR) for small and medium customers Flexibility in delivering customized solutions for each tenant Create customized services for large business customers. Simplicity of Service Upgrades Enables commitment to fast service upgrades CNM delivers Customer Controlled service upgrades for premium customers Simplicity of Up Selling Customer Bandwidth Sales teams are empowered to upgrade customers bandwidth up to 100M or 1G. Page 11

12 Hard SLAs Without Changing IT Processes Port Tagged/ Untagged VLAN Untagged Internet Access UDP High Priority Connection TCP Low Priority Connection Content Provider TV provider Main Site Ethertype DSCP or 802.1P DSCP Mapping VOIP IGMP Mapping TV Broadcast Request ISP Location Video Source Servers Source IP Destination IP Untagged Traffic -> Internet Access UDP -> Remote Site #1 via Connection 1 TCP -> Remote Site #1 via Connection 2 Cage #2 PBX Protocol Type Data Center #1 Video Conferencing Carrier-Ethernet Cage #1 IP PBX Server SAP Server RGW Provider 1 Untagged -> Internet Access DSCP -> VOIP Site-2Site IGMP -> TV Broadcast Page 12

13 Connection Oriented Carrier Ethernet: Hard QoS for All Services EIR CIR End-to-end Service Connection Committed Information Rate (CIR): 64Kb/s to 1Gb/s Connection Admission Control Excess Information Rate (EIR): 64Kb/s to 1Gb/s Configurable burst window Network delay priority & jitter options: CES Delay Sensitive Business Critical Normal Protection Page 13

14 Data Center Revolution - Agenda Data Center and Market Trends Data Center Metro Networks Data Center National Network Architecture Conclusions Page 14

15 Data Center Transport Vision: Network Simplification OSI- Layer L5-L7 Dramatic simplification of network architecture Most cost efficient transport: use the lowest possible layer Enable an end-to-end connectivity with differentiated QoS Content Business Business Data Center L1 L2 L3 L4 IP VPN, IP VPLS Page 15 DWDM DWDM ULH / Regional Core Access Ethernet as service and transport technology

16 Example of an Data Center Transport Architecture HIS, VoD, VoIP, Game Data Center, Content, Storage, Multimedia VoIP Services L2VPN E-Line/ ROADM DWDM ROADM ROADM Transport / Data ROADM ROADM DWDM ROADM ROADM Reliability Manageability Control MPLS/ GMPLS / ASON Hard QoS Scalability oob Management for FCAPS E2E Monitoring OTN G.709 Planning Tools Service aware network is only possible with a tight integration of service, transport/data, control and management plane. Multi-Layer Optimization (L1-L3) is a necessity. Page 16

17 Ethernet (IP) over optics (WDM) technology enables the cost efficient Terabit Connection Today Services Services Services Services TDM IP FR X.25 ATM TDM IP ATM TDM IP IP SDH SDH Ethernet SDH Ethernet Ethernet Leased Lines DWDM Dark fiber DWDM Dark fiber DWDM Dark fiber Cross-layer optimization will disruptively improve overall cost Direct IP over WDM technologies, along with packetized optical networks will serve a new Internet connectivity infrastructure. Simplification of stacks will drive Convergence of telco and data networks Page 17

18 Deployment in Data Centers is Underway Deployments of meshed transparent optical networks have been announced Deployment flexibility In a real world scenario deployment flexibility is key Mesh networks Any variation in one part of the network shall never have an influence on any other part of the network. Meshed networks are by nature strongly inter-connected with all their entities. The hardware and software need to be capable to counter-act those potential challenges Planning and Deployment Processes and procedures of large-scale or continent-wide meshed networks are different than those used for the planning and deployment of smaller segmented networks. Page 18

19 Network Planning Tools Computer based tools Network planning tools with increased computer calculation power became a key element for optical meshed networks deployments. Site optimization Network planning tools calculate the consolidation of sites as well as the concentration of switches/ routing sites. Integrated network planning Service providers are requesting not only a network planning tool, but an ordering, provisioning and maintenance work flow package that is supported by one tool. Management system interface Interfacing of the network planning tool to the management system appears to be a necessary step to handle the complexity of meshed network planning. Page 19

20 Network Planning Tool much more than adding up OSNR Network simulations consider physical effects such as dispersion, non-linear effects, OSNR and component aging from 1channel up to full channel count Benefit: Guaranteed end-of-life performance without unnecessary margins (CapEx optimizer) Advanced routing algorithms map meshed traffic demands to links and wavelengths Benefit: Optimizes the number of wavelengths in a mesh scenario Input for ordering, installation and commissioning LOM, cabling plan, card placement, commissioning parameters, network configuration files Benefit: automation of planning, ordering, commissioning; speeding up processes, and eliminating faults An easy-to-use planning tool providing expert results to non-experts Page 20

21 Data Center Revolution - Agenda Data Center and Market Trends Data Center Metro Networks Data Center National Network Architecture Conclusions Page 21

22 Conclusions Carrier Ethernet + DWDM MPLS can be used to create connection oriented Ethernet services Trends towards next generation services eg video has accelerated the trend towards Ethernet / Optical based infrastructure. The meshed capable Ethernet structure is ideally supported by a meshed optical infrastructure. These advances offer increased flexibility, reduced operational complexity and lower equipment costs as compared with today s widespread SONET/SDH infrastructure. DWDM s key advantages are its ability to easily transport these newer data protocols and effectively collapse current network overlays Carrier Ethernet and DWDM layer are a perfect match for Data Center topologies as well as supporting the service capabilities. Page 22

23 Thank You!! Data Center Revolution Impact on Ethernet and MPLS Umesh Kukreja Hans-Jürgen Schmidtke Kim Jones 23 Nokia Siemens Networks Copyright Nokia Siemens Networks, All rights reserved.