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This presentation outlines the capabilities and benefits of RAD's ATM product line, including the ACE models for high-capacity data transport. The agenda covers ATM market trends, key features, and typical applications in various environments such as cellular backhauling and DSL service concentration. Learn how ATM technology continues to thrive in generating revenue for carriers through existing infrastructures while providing reliable traffic management and scalability. Discover valuable case studies and worldwide references showcasing successful implementation.
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ACE Overview Presented by: CBNetworks Technical Support Email : support.technique@cbnetworks.fr
Agenda • Introduction • RAD ATM Products • Typical Applications • Key Features • Summary - Worldwide References
ATM Market Trends • ATM still remains a major data transport network technology for incumbent carriers • Carriers can use ATM to generate new revenue using existing infrastructures • Deployment of 3G cellular networks • Continuing growth in DSL leads to increased investments in ATM
Important Benefits of ATM • Proven reliability • Allows flexible multiservice traffic adaptation • Scalability based on existing infrastructure • QoS assurance based on the OAM functionality • Traffic Management - allows network bandwidth utilization • New services based on GbE/MPLS infrastructure are emerging but ATM is still more widespread
Common ATM Applications • Native ATM • Legacy services emulation (LAN, TDM, FR etc.) • VLAN applications over ATM • DSL service concentrator • Cellular backhauling Legacy services Existing CPE’s New services & CPE’s IP, LAN ATM Access Concentrator Ethernet Switch Ethernet NTU PBX-Voice
RAD's ATM Product Line
ACE-52 Low-cost interworking CLE for LAN and TDM/Voice services over ATM ACE-201 Low-cost interworking CLE for GbEth Enhanced Port Density Enhanced number of connections FE or GbE ports ACE-52 ACE-201 RAD ATM ProductsInterworking Network Termination Units
ACE-202 Two modular slots for user and network interface modules Optional additional built-in user interfaces ACE-2002 Four modular slots for user and network interface modules ACE-202 ACE-2002 ACE-2002E RAD ATM ProductsMultiservice Access Concentrators ACE-2002E • High port density version
ACE-3100 Cellular Backhauling Aggregate 4 E1/T1/J1 ports Two STM-1 ATM ports 1 FE for OOB management and alarms ACE-3200 Cellular Backhauling 8 or 16 E1/T1 “ASAP” (Any Service, Any Port UNI/IMA/CES flexible configuration) Two STM-1 ATM ports 1 FE for OOB management and alarms ACE-3100 ACE-3200 RAD ATM ProductsCellular Aggregators
ACE-3400 RAD ATM ProductsCellular Aggregator • Optional E1/T1/J1 interfaces: • 63 E1/T1 Multi-Service ports (TDM, ATM) • Optional optical interfaces: • Up to 2 GE • Up to 2 STM-1 UNI (3rd for optional APS) • Up to 2 Channelized STM-1 • 1 FE for OOB management and alarms • No single point of failure • Redundant core, PS, fans, uplinks ports • 3U, 19’’, Fully modular
ACE-3402 RAD ATM ProductsCellular Aggregator • Optional optical interfaces: • Up to 2 GE • Up to 2 STM-1 UNI (3rd for optional APS) • Up to 2 Channelized STM-1 • 1 FE for OOB management and alarms • No single point of failure • Redundant core, PS, fans, uplinks ports • 2U, 19’’, Fully modular
ACE Comparison Table-1 * Slots #1 and #2 are modular
OAM flows Fault Notification (AIS/RDI) Continuity Check Loopback Performance Monitoring Native ATM (A-NTU) Application Customer Premises POP ATM Device Traffic Management • Traffic Shaping/Spacing • Policing ACE-202 Customer Premises POP NMS ATM Device ACE-2002 Switch Switch STM-4 Customer Premises POP ATM Device Switch ACE-202 Public ATM Services Traffic Monitoring • Per Port • Per Connection • Statistics Upload tothe NMS
LAN and Voice Access (I-NTU) Branch Office Router FR/ HDLC • Integrating LAN/IP over Frame Relay or HDLC interfaces and voice services over ATM for inter – office connectivity • Full VLAN support – VPN infrastructure over ATM including L2 priority • Frame Relay – Support of FRF.5 and FRF.8 encapsulation E1/T1, IMA, E3/T3, STM-1 ACE-202 HQ LAN Switch NMS Switch Switch E1/T1, IMA, E3/T3, STM-1, STM-4 ACE-2002 PBX Branch Office Switch PBX ACE-52 PBX STM-1 Public ATM-based Network
DSL ServiceConcentrator & NTU POP DSLAM • Traffic concentration from multiple DSLAMs (7 to 1 STM-1 link concentration) • Demarcation device between DSL/ATM access and IP networks • Traffic management towards ATM access network • Performance monitoring of ATM access and DSL access spans based on I.610 OAM DSLAM Customer Premises ATM Up to 7 DSLAMs ACE-2002 ACE-2002 Modem IP Network ATM ATM ATM Network DSL ATM DSLAM ATM Access Span DSL Access Span
VLAN Stacking SP VLAN* C VLAN* Frame C VLAN Frame Local Customer Adding SP VLAN according to VC • The ACE acts as an ATM gateway, extending Metro services to remote customers over wide span ATM network • Similarly, the ACE can be used to connect ‘islands’ of metro Ethernet over ATM national network • To allow this application VLAN stacking was added to the ACE so each ATM VC is mapped to a Service Provider (SP) VLAN ACE-2002 ACE-52 Metro Ethernet ATM Network Ethernet STM-1 Remote Customer Removing the SP VLAN Local Customer SP VLAN C VLAN Frame C VLAN Frame *SP VLAN – Service Provider VLAN *C VLAN – Customer VLAN
ACE-201 ACE-2002 ACE-202 ACE-52 ACE-2002E ATM Based VPN • Total separation of VLANs throughout the WAN – Saves equipment and ports • Control of bandwidth and priority of each VLAN • Set priorities for up to 8 different services within a single VLAN Branch Office GbEth STM-1 ACE-201 NMS HQ Branch Office E1/T1, IMA, E3/T3, STM-1, STM-4 Switch Switch Switch ACE-2002 E1/T1, IMA, E3/T3, STM-1 ACE-202 Switch Supplier ACE-52 STM-1 Public ATM-based Network
Typical VLAN Application Untagged VLAN=10 Untagged VLAN=20 ATM VLAN=30 Untagged VLAN=40 VLAN=30 VLAN=40
LAN Module Bridge Bridge 1 Ethernet Port 1 1,2,3,4 ATM PVCs 2 3,4
PVID-Port VLAN Identifier Bridge • When entering the bridge, untagged frames are always tagged • The VID given is the PVID of the Ethernet port or ATM PVC PVID=1 Untagged Tagged 1,2 1
Transmit Frame Type VLAN 1: Transmit Frame Type = Tagged VLAN 2: Transmit Frame Type = Untagged • Configurable per VLAN per port (Ethernet/ATM PVC) Bridge Tagged Tagged 1,2 1 1 Tagged Untagged 2
Ingress Filtering – Disable • Configurable per ETH port • Configuration for ATM applies to all PVCs Bridge 1,2 1 2 3
Ingress Filtering - Enable • Configurable per ETH port • Configuration for ATM applies to all PVCs Bridge 1,2 1 2 3
2 Layer 2 priority • Layer 2 priority support according 802.1p standard • Up to 8 different priorities for different services within a single VLAN • Allows translation of ETH priority into ATM priority VLAN Priority VLAN ID Bridge 1 1,2,3 7 1 ATM PVCs 2 1 6 4 1 3 3
Priorities per Logical Interface ACE-202/2002/2002E: • CBR - Highest priority • VBR RT- Second highest priority • Per-VC queue according to peak limit and weight • UBR - lowest priority ACE-52/201/3100/3200/3400/3402: • CBR - Highest priority • VBR - Second highest priority • UBR+ - Third priority • UBR - lowest priority
First the VCs are Policed/Spaced according to their Traffic Descriptors Then the entire VP is limited according to the VP Tunnel Traffic Descriptor ACE-202 VP Tunneling • Enables grouping of VCCs from different user interfaces (ATM, LAN, CES, FR and management) into a single VPC (VP tunnel) • Category of service and traffic parameters configured individually for each VP tunnel (up to 30 VP tunnels) ACE-2002 LAN Switch ACE-2002E LAN ACE PBX CES
Shared Queue or Per VC WFQ ACE-2002 ACE-202 VP Tunnel Port Pacing ACE-2002E Hierarchical Traffic Management • ACE-202/2002/2002E has three levels of traffic management • VC Shared Queue and Per VC WFQ (Weight Fair Queue) • VP Tunnel with shaping/limiting all passing through VCCs • Physical interface (module) Rate Pacing
ACE-52 ACE-201 ACE-3100 ACE-3200 ACE-3400 Hierarchical Traffic Management • ACE-52/201/3x00 has two levels of traffic management • VC Shaping- Shaping is supported for All VCCs • Rate Pacing- Output rate limit Shaping per VCC according the Traffic Descriptor Output rate limit in cells/sec E1s TDM ACE n x E1 IMA STM-1
ACE-2002 ACE-202 ACE-2002E Spacing • Buffering according to the PCR - output will not exceed PCR • Non-conforming cells are buffered and not discarded • Supported in ACE-202/ACE-2002/ACE-2002E • EPD support TD parameters PCR=6000 cps Output Traffic Input Traffic Cell rate (cps) PCR = Peak Cell Rate EPD = Early Packet Discard
Shaping • Built-in Shaper for all traffic classes on the ACE-52, ACE-201, ACE-3x00 • Optional H/W Shaper for VBR-rt and VBR-nrt on the ACE-2002 • EPD support TD parameters PCR=2000 cps SCR=1000 cps MBS=500 cells Input Traffic Output Traffic Cell rate (cps) TD=Traffic Descriptor MBS=Max Burst Size PCR= Peak Cell Rate SCR= Sustainable Cell Rate
ACE-3400 ACE-2002 ACE-202 ACE-3402 ACE-2002E Automatic Protection System (APS) • STM-1 only • ACE-202/2002/2002E • G.783 Annex A and B • Uni-Directional • 1:N Compatible • 1+1 Optimized • Y-Cable (proprietary) • Manual switching • New Dual APS module • ACE-3xxx • G.841(the new G.783) Annex B • 1+1 Optimized • APS for CH-STM-1 New
Inverse Multiplexing over ATM (IMA) IMA virtual link Physical link # 0 • Standard IMA for scalable N x E1/T1 ATM connections • Complies with ATM Forum IMA Version 1.0 and 1.1 • Supports ITC and CTC clocking mode, Independent Transmit Clock for connectivity to two or more networks which are not synchronized and Common Transmit Clock for connecting to a single synchronized network Original cell stream passed to ATM side IMA Group IMA Group Single ATM cell stream from ATM side Phy Phy Physical link # 1 SDH/PDHNetwork Phy Phy Physical link # n-1 Phy Phy Physical link # n Phy Phy
Management Options Management Applications: • All ACEs can be managed locally and remotely • RADview HPOV – ACE-202/2002/2002EFull configuration and diagnostic via any IP based connection (in-band or out-of-band) using a Unix based GUI.(ACE-202/2002/2002E) • RADview EMS –ACE-52/201/3100/3200/3400/3402Full configuration and diagnostic via any IP based connection (in-band or out-of-band) using a GUI. Server-client CORBA based topology – may run on a PC or UNIX stations • ConfiguRAD – ACE-3100/3200/3400/3402Web based element management (HTTP server). The implementation will allow full configuration and diagnostic via any IP based connection
Management Options Download/Upload • Software, configuration, statistics or any other file from the file system • Two ways for downloading & uploading files • X-Modem – via a serial interface • TFTP – via In-Band or Out-Of-Band management
Alcatel Management System • Integrating RAD SNMP using dedicated Descriptors Alcatel Backbone Network Descriptor Files Managed Access Network 5620 NM 5620 DM
5620 Descriptor Modules • Part of the 5620 Descriptor Modules • Identify and map third-party SNMP objects for the 5620 • Dedicated descriptor per product • 5620 maintains multiple descriptors ACE-50 ACE-50 ACE-202 Descriptor Files ACE-202 5620 DM SNMP Based ManagedAccess Network
thank you for your attention Technical Support CBNetworks Email: support.technique@cbnetworks.fr http://www.cbnetworks.fr