Transcript
Alcatel 7750 SR Service Router
The Alcatel 7750 Service Router (SR) is the
This enables the Alcatel 7750 SR to support
industry’s first IP/MPLS router designed and
a wide range of services including:
optimized for the delivery of advanced Internet
> Direct Internet access (DIA)
and virtual private network (VPN) services.
> Ethernet, frame relay and ATM point-to-point
The Alcatel 7750 SR is available in three shelf
Layer 2 VPNs (also known as virtual leased
sizes: single-slot, four-slot and twelve-slot, all
lines (VLLs))
of which offer a wide range of interfaces with unmatched density and performance. With a software and hardware architecture designed
> Multipoint Layer 2 VPNs (virtual private LAN service (VPLS)) > BGP/MPLS VPNs (RFC2547bis)
for efficient delivery of service level agreement (SLA)-based services, the Alcatel 7750 SR
The Alcatel 7750 SR can transport tens of
functions as both a powerful Internet router
thousands of individual services using flexible
and a flexible service delivery platform.
IP and MPLS tunneling with per-service QoS and accounting.
Services The Alcatel 7750 SR is architected from the
Market-Leading Innovation
ground-up to deliver efficient and effective
At the heart of the Alcatel 7750 SR is a fully
provisioning and operations of a range of
programmable, flexible fast path based on state-
revenue-generating services. The critical
of-the-art network processor array (NPA) chip
functions that differentiate the Alcatel 7750 SR
technology. Flexible fast path forwarding performs
from a typical edge Internet router are the
deep packet inspections and manipulations at
service related features and functions being
10 Gb/s line rates. Each single-chip NPA is
tightly integrated into the product architecture.
composed of a large array of customized, fully
Scalable service router with multiple shelf sizes, supporting advanced Internet access and VPN services, flexible MPLS and IP tunneling, robust service management, troubleshooting and billing. Features include flexible fast path 10 Gb/s line-rate packet filtering and ACLs, a full range of Ethernet and SONET/SDH interfaces.
Alcatel 7750 SR
programmable processors optimized for
> ECC memory protection
6 rack units. The 1-slot shelf, called the
fast packet manipulation. The NPA
> Link aggregation groups (LAG) —
SR-1, provides 20 Gb/s (full duplex)
provides significant value to customers when compared to alternative architectures based on hardwired ASICs, which lack feature depth and flexibility, and
trunking multiple ports between a
fabric/system capacity in just 1.5 rack
pair of service routers
units. These capacities and multiple
> Equal cost multipath (ECMP) routing
shelves provide the necessary density,
— utilizing multiple network paths
scalability and flexibility to address the
> Sub-50 ms MPLS fast reroute (FRR)
demands of today and tomorrow.
Density, Performance and Scaling
The Alcatel 7750 SR also delivers
The Alcatel 7750 SR delivers industry-
SR-12 supports ten I/O modules (IOM).
The performance and functionality
leading density, performance and scaling
Each IOM accepts two media dependent
of flexible fast path forwarding tech-
for advanced routing applications,
adapters (MDA). The SR-4 and SR-1
nology enables the Alcatel 7750 SR to
VPNs and Internet access. The 7750
support three IOMs (six MDAs) and one
combine the speed and density of the
SR’s 12-slot shelf, called the SR-12,
IOM (two MDAs) respectively. I/O slot
fastest switches, with the programma-
supports one or two switch fabric/CPU
capacity for all shelves is 20 Gb/s
bility and packet processing intelligence
modules (SF/CPM), delivering 400 Gb/s
(full duplex) with scaling to 40 Gb/s
required to offer new, advanced services
(full duplex, redundant) fabric/system
(full duplex) for the SR-4 and SR-12.
over an IP/MPLS network infrastructure.
capacity in one third of a rack.
The range of MDAs supported on all
Carrier-Class Reliability
The 4-slot shelf, called the SR-4, supports
The Alcatel 7750 SR is designed to
a single SF/CPM, delivering 120 Gb/s
exceed the stringent reliability demands
(full duplex) fabric/system capacity in
designs based on off-the-shelf network processors, which lack sufficient forwarding performance to operate at 10 Gb/s rates and generally have high costs.
industry-leading interface density. The
Alcatel 7750 SR shelves are shown in the table below.
of service providers, with a hardware and software architecture created for
Media Dependent Adapter (MDA) Type
maximum uptime. The Alcatel 7750 SR
10/100 Ethernet
60
includes the following features that
100FX Ethernet
20
enable high-availability networks:
Gigabit Ethernet
10
> A passive backplane
Gigabit Ethernet
5
> 1:1 control plane module redundancy
10 Gigabit Ethernet
1
OC-3/STM-1 and OC-12/STM-4 multi-rate SONET/SDH
16
OC-3/STM-1 and OC-12/STM-4 multi-rate SONET/ SDH
8
with load sharing (12-slot shelf)
OC-48/STM-16 SONET/SDH
4
> Switch fabric graceful degradation
OC-48/STM-16 SONET/SDH
2
> 1:1 redundancy on common system
OC-192/STM-64 SONET/SDH
1
DS-3 (channelized to DS-0)
6
OC-3/STM-1 (channelized to DS-0)
4
OC-12/STM-4 (channelized to DS-0)
1
(12-slot shelf) > 1:1 switch fabric module redundancy
elements > Hot swap of all system components and physical interfaces
>
2
A L C AT E L
Ports per MDA
Alcatel 7750 SR
With support for hot-pluggable, half-slot
Service-Based Filtering
also shape and police on service egress
MDAs, the Alcatel 7750 SR enables a
The Alcatel 7750 SR supports access
so customers can purchase sub-rate
flexible mix-and-match approach to
control lists (ACLs) on a per service
services (e.g. Internet services) with
populating the shelves with different
or per interface basis, with scaling to
asymmetric SLAs. Traffic classification
media types. The use of small form
thousands of line-rate ACLs at 10 Gb/s.
and mapping to queues is both flexible
factor pluggable (SFP) optics enables
ACLs can be used for a wide range of
and dynamic. The Alcatel 7750 SR’s QoS
further flexibility in populating MDAs
network applications including security,
implementation also scales to thousands
with the required optics on a per port
denial of service (DOS) prevention,
of services, supporting an aggregate of
basis. The combination of hot-pluggable
troubleshooting and policy-based routing.
8,000 ingress queues and 8,000 egress
MDAs and optics means that carriers
ACLs can be applied to both ingress
queues per MDA.
can defer much of the capital expense
and egress traffic without performance
of each PoP customer interface until a
penalty. The Alcatel 7750 SR also supports
firm order for service is received. The
ACL counters to monitor filter hits and
Service-Based Accounting and Billing
10 Gigabit Ethernet MDA provides
ACL logging to enable monitoring of
The Alcatel 7750 SR’s service-based
soft-selectable LAN/WAN PHY and
traffic during troubleshooting.
queuing functionality, enabled through its flexible fast path, includes hardware
the multi-rate OC-3/OC-12 MDA also provides soft-selectable interface
Service-Based QoS
support for a full set of granular statistics.
speed on a per port basis.
Flexible fast path technology within the
As a result, the Alcatel 7750 SR delivers
Alcatel 7750 SR implements ‘service-
statistics per billable service or per flow.
Service Tunneling Flexibility
based queuing’, which delimits and
This is accomplished in combination
Flexible fast path forwarding technology
queues a logical service by TDM channel
with dynamic assignment of services (or
enables the Alcatel 7750 SR to deliver
on a SONET/SDH interface, or an
flows within services) to unique queues.
any service on any port. The 7750 SR
802.1Q tag on an Ethernet interface.
The counters are all implemented per
allows service providers to provision
On ingress, the Alcatel 7750 SR buffers
service. The Alcatel 7750 SR has been
access ports and tunnels with full flexi-
each service and then shapes it to an
architected to support collection of
bility, based on the demands of the
SLA with committed information rate
these statistics for thousands of simul-
customer. In addition to the ability to
(CIR) and peak information rate (PIR)
taneous services, with properly sized
mix-and-match IP (GRE) and MPLS
type guarantees. Buffer allocation is
counters to reduce the burden on the
tunneling in the same network, the
programmable per service to accommo-
system CPUs. In addition, local data
Alcatel 7750 SR enables carriers to
date different maximum burst sizes
storage allows historical statistics to
migrate service from one tunnel type
(MBS). For more complex multipoint
be maintained for several days. For
to another without tearing down
services, the Alcatel 7750 SR implements
complex destination-based billing
the services using the tunnel.
CIR/PIR marking and enforces these
schemes, the Alcatel 7750 SR can divide
on a per destination or per filter basis.
the route table into zones and track
Each service can use multiple queues to
traffic source and destinations, enabling
enable shaping, policing and marking of
differential billing.
different flows. The Alcatel 7750 SR can
A L C AT E L
3
>
Alcatel 7750 SR
Service Assurance and Diagnostics
The Alcatel 5620 SRM greatly reduces
optimized for the support of protocols
the complexity and risk typically found
such as MPLS fast reroute, ensures that
Service providers require advanced
in provisioning complex services.
the Alcatel 7750 SR delivers each and
tools to help deploy and troubleshoot
every customer a service with guaranteed
potentially complex VPN services. The
Network Applications
QoS and availability. Carriers wishing to
Alcatel 7750 SR augments the standard
The Alcatel 7750 SR provides an
expand their Layer 2 service portfolio
IP and MPLS ping and traceroute utilities
industry-leading set of capabilities
to include VPLS will find the Alcatel
with tools specifically designed for
for service providers seeking to deliver
7750 SR’s implementation delivers the
troubleshooting and diagnosing service
next generation advanced data services
bandwidth and geographic scalability
transport and service provisioning
in a scalable, manageable and profitable
necessary for the rollout of a large scale,
problems. In response to IETF standards
IP/MPLS network architecture. The
profitable multipoint service. The
work on VPNs, the Alcatel 7750 SR
Alcatel 7750 SR’s rich feature set and
Alcatel 7750 SR includes a set of unique
includes an innovative set of OA&M
industry-leading density, performance
integrated OA&M tools specifically
utilities and diagnostics for VPN serv-
and scaling makes it suitable for a wide
designed for the efficient operation of
ices. For troubleshooting purposes, the
variety of service router applications
scalable multipoint services. All Layer 2
Alcatel 7750 SR also supports service
as described below.
services supported by the Alcatel 7750 SR
mirroring, which goes far beyond the
can also be provisioned, managed and
basic port mirroring supported on
Layer-2 VPNs
most routers.
Layer 2 private data services remain
billed through the Alcatel 5620 SRM.
a primary source of revenue for many
IP-VPNs
Element Management and Administration
large network operators, and the Alcatel
IP-VPN services based on RFC-2547bis
7750 SR is ideally suited to enable the
are growing in importance, particularly
The Alcatel 7750 SR is complemented
efficient delivery of a variety of Layer 2
for network operators with an interna-
by the extensive and service-oriented
services over a converged IP/MPLS
tional footprint and a geographically
Alcatel 5620 Service Router Manager
infrastructure. The Alcatel 7750 SR
dispersed customer base. Also known
(SRM). Providing comprehensive
implements the IETF pseudo wire drafts
as a virtual private routed network
support for fault, configuration, account-
for provisioning point-to-point ATM,
(VPRN), IP-VPN services offer high
ing, performance and security (FCAPS),
frame relay and Ethernet services. The
margin potential for carriers because
the Alcatel 5620 SRM application is a
7750 SR also supports draft-ppvpn-vpls-
these services shift a substantial portion
tightly-integrated element management
ldp (formerly draft-lasserre-vkompella)
of the management and routing intelli-
system that enables provisioning of
for multipoint Ethernet (VPLS/H-VPLS)
gence from the customer network to
an end-to-end service using wizards
services. These private data services are
the service provider. It is not surprising
or point and-click configuration from
typically delivered in accordance with
that the RFC 2547bis service architec-
a single application without having
an SLA, and the 7750 SR’s advanced
ture imposes some unique requirements
to individually configure each device
flexible fast path traffic management,
on the routers used to deliver it —
in the service path, step-by-step.
combined with a system architecture
particularly in the area of routing
>
4
A L C AT E L
Alcatel 7750 SR
scalability. The Alcatel 7750 SR delivers
12c/3c ports, along with a variety of
and tight integration with the advanced
this scalability. Flexible fast path technol-
low speed Ethernet and channelized
Alcatel 5620 SRM, simplifying service
ogy supports 10 Gb/s line rate forwarding
TDM interfaces, implemented with high
provisioning, operations and
for thousands of VPRN instances, each
density connectors. In high performance
troubleshooting.
populated with many hundreds or even
routing applications, flexible fast path
thousands of distinct routes. In the
forwarding offers network operators
control plane, the Alcatel 7750 SR
the power of thousands of dynamically
seamlessly interworks with thousands
reconfigurable line rate ACLs on ingress
of OSPF neighbors and BGP peers.
and egress. The Alcatel 7750 SR also supports a forwarding table scaling to
Combined with support for advanced
well in excess of one million IPv4
features like multiple route reflector
addresses, with no packet loss at 10 Gb/s
domains, this exceptional scalability
forwarding rates. Robust, scalable and
enables the delivery of both IP-VPN
fully-featured implementations of key
and public Internet service over a single
protocols such as BGP-4, OSPF, IS-IS,
IP/MPLS infrastructure, maximizing
and the extended VRRP, make the
the revenue generating capacity of
Alcatel 7750 SR a perfect match for
the network.
network architectures demanding high performance IP routing.
High Performance IP Routing High performance IP routing is the
Summary
foundation upon which Internet service
The Alcatel 7750 SR is the first scalable
providers build their business. The archi-
IP/MPLS service router designed and
tecture of ISP backbone and content
optimized for the delivery of advanced
hosting networks places a premium on
private data services and Internet access.
system scalability and density, 10 Gb/s
With a range of revenue-generating
line rate packet forwarding, and robust
SLA-based services supported by the
implementations of key control plane
7750 SR, providers can leverage their
protocols. The Alcatel 7750 SR delivers
IP and IP/MPLS networks to improve
consistent performance and features
their competitive position in today’s
across all three shelves, scaling from
challenging market. The advanced
20 Gb/s (full duplex) to 400 Gb/s (full
flexible fast path technology enables
duplex, redundant) fabric/system
flexibility, sophisticated SLA support
capacities. Each Alcatel 7750 SR shelf
and outstanding performance and
can be fully populated with hot
scaling. The Alcatel 7750 SR also
pluggable 10 GigE, GigE, OC-192c/48c/
delivers extensive OA&M capabilities
A L C AT E L
5
>
Alcatel 7750 SR
Technical Summary
SR-12
SR-4
SR-1
Bandwidth
Bandwidth
Bandwidth
> 400 Gb/s (full duplex, redundant)
> 120 Gb/s (full duplex) fabric/system
> 20 Gb/s (full duplex) fabric/system
fabric/system capacity
> 20 Gb/s I/O slots, scaling to 40 Gb/s (full duplex)
capacity
> 20 Gb/s I/O slots, scaling to 40 Gb/s
capacity
> 20 Gb/s I/O slots (full duplex)
(full duplex)
> Optional switch fabric/CPU redundancy I/O slots/MDAs
I/O slots/MDAs
I/O slots/MDAs
> 10/20
> 3/6
>1/2
Redundancy
Redundancy
Redundancy
> Power, CPU, fabric, fans
> Power, fans
> Power, fans
Physical Dimensions
Physical Dimensions
Physical Dimensions
> Height: 62.2 cm (24.5 in.) > Width: 44.4 cm (17.5 in.) > Depth: 64.5 cm (25.4 in.) > Fits in 1/3 of a rack
> Height: 26.6 cm (10.5 in.) > Width: 44.4 cm (17.5 in.) > Depth: 47.0 cm (18.5 in.)
> Height: 6.6 cm (2.6 in.) > Width: 44.4 cm (17.5 in.) > Depth: 56.4 cm (22.2 in.)
Power
Power
Power
> 220 V AC (requires external shelf) > -48 V DC > 1+1 redundancy
> 110 V AC or 220 V AC > -48 V DC > 1+1 redundancy
> 110 V AC or 220 V AC > -48 V DC > 1+1 redundancy (requires external shelf)
Cooling
Cooling
Cooling
> Front-to-back air flow
> Side-to-side air flow
> Side-to-side air flow
>
6
A L C AT E L
Alcatel 7750 SR
Software Specifications
Certification
VRRP
Protocol support
Safety
> RFC 2338 Virtual Router Redundancy
> Routing: BGP4, IS-IS, OSPF, RIPv1 and 2 > Equal cost multipath routing (up to
> UL60950-1 > CAN60950-1 > EN60950-1 > CE Mark
16 paths)
> MPLS: LSR and LER, RSVP-TE, LDP, Fast Reroute (FRR) with sub 50ms failover
> Extensive route policy support > Line rate Layer 2 and Layer 3 ACL filtering at 10 Gb/s Services
> Direct Internet access > Virtual leased line (VLL) point-to-point Layer 2 VPNs
> Virtual private LAN service (VPLS) multipoint Layer 2 VPNs
> IP-VPNs (RFC2547bis) > Draft Martini encapsulation > GRE encapsulation Quality of service
> Per service queuing, shaping and policing > Ingress and egress buffering (up to 200 ms at 10 Gb/s)
> CIR, PIR, MBS queue parameters > Premium, assured and best effort forwarding classes
> IEEE 802.1p Filtering/Marking/Re-marking > IETF DSCP Filtering/Marking/Re-marking > WRED on ingress and egress Management
> Fully-featured industry CLI, including service CLI
> Port and service mirroring > Service Assurance tools including: service ping, SDP ping, LSP ping, MAC ping and MAC traceroute
> SSH and Telnet > FTP,TFTP and SCP > RADIUS (AAA) > TACACS+ > SNMP v1, v2c and v3
EMC
> AS/NZS 3548:1995 (Australia/New Zealand)
> EN55022 (Europe) > VCCI Class A (Japan) > FCC Part 15 Class A (United States)
Protocol RIP
> RFC 1058 RIP Version 1 > RFC 2082 RIP Version 2 > RFC 2453 RIP-2 MD5 Authentication OSPF
> RFC > RFC > RFC > RFC
1765 OSPF Database Overflow 2328 OSPF Version 2 2370 Opaque LSA Support 3101 OSPF NSSA Option
BGP
Operating Environment
> Operating temperature: 0 to 40 C (32 to 104 F)
> Relative humidity: 15 to 90 percent (noncondensing)
> Operating altitude: sea level to 3,048 m (10,000 ft)
> RFC 1656 BGP-4 Implementation > RFC 1771 BGP-4 > RFC 1772 Application of BGP in the Internet
> RFC 1997 BGP Communities Attribute > RFC 2270 Dedicated AS for Sites homed to Single Provider
> RFC 2385 Protection of BGP sessions Standards Compliance
> IEEE > IEEE > IEEE > IEEE > IEEE > IEEE > IEEE > IEEE
802.1D Bridging 802.1p/Q VLAN Tagging 802.3 10Base-T 802.3u 100Base-TX 802.3x Flow Control 802.3z 1000Base-SX/LX 802.3ad Link Aggregation 802.3ae 10 Gb/s Ethernet
Protocol Support TCP/IP
> RFC > RFC > RFC > RFC > RFC > RFC > RFC > RFC > RFC > RFC > RFC
via MD5
> RFC 2439 BGP Route Flap Damping > RFC 2547bis BGP/MPLS VPNs > RFC 2796 BGP Route Reflection: Alternative to Full-mesh IBGP
> RFC 2858 Multi-protocol Extensions for BGP-4
> RFC 2918 Route Refresh Capability for BGP-4
> RFC 3065 Confederations for BGP > RFC 3392 Capabilities Advertisement IS-IS
> RFC 1142 OSI IS-IS Intra-domain Routing 768 UDP 783 TFTP 791 IP 792 ICMP 793 TCP 826 ARP 854 Telnet 951 BootP 1519 CIDR 1542 BootP 1812 Requirements for IPv4 Routers
Protocol
> RFC 1195 Use of OSI IS-IS for routing in TCP/IP and dual environments
> RFC 2763 Dynamic Hostname Exchange for IS-IS
> RFC 2966 Domain-wide Prefix Distribution with Two-Level IS-IS
> RFC 2973 IS-IS Mesh Groups > RFC 3373 3-way handshake for IS-IS point-to-point adjacencies
> draft-ietf-isis-hmac-04-txt > ISO 10589
A L C AT E L
7
>
Alcatel 7750 SR
PPP
Differentiated Services
RFC 1332 PPP IPCP
> RFC 2474 Definition of the DS Field in the
RFC 1377 PPP OSINLCP RFC 1638/2878 PPP BCP RFC 1661 PPP RFC 1662 PPP in HDLC-like Framing RFC 1989 PPP Link Quality Monitoring
IPv4 and IPv6 Headers
> RFC 2597 Assured Forwarding PHB Group > RFC 2598 An Expedited Forwarding PHB > RFC 3140 Per-Hop Behavior Identification Codes
RFC 2615 PPP over SONET/SDH
VPLS
GRE
> draft-lasserre-vkompella-ppvpn-vpls-04.txt
> RFC 1701 Generic Routing Encapsulation
TACACS+
(GRE)
> RFC 1702 Generic Routing Encapsulation over IPv4 networks
> RFC 2784 Generic Routing Encapsulation (GRE) MPLS
> RFC 2702 Requirements for Traffic Engineering over MPLS
> RFC 3031 MPLS Architecture > RFC 3032 MPLS Label Stack Encoding > RFC 3063 MPLS Loop Prevention Mechanism LDP
> RFC 3036 LDP Specification > RFC 3037 LDP Applicability RSVP-TE
> RFC 2430 A Provider Architecture for DiffServ and TE
> RFC 3209 Extensions to RSVP for LSP Tunnels
> RFC 3210 Applicability Statement for Extensions to RSVP for LSP Tunnels
> RFC 2961 RSVP Refresh Overhead Reduction Extensions
> RFC 3175 Aggregation of RSVP for IPv4 and IPv6 Reservations
> RFC 3181 Signaled Pre-emption Priority Policy Element
> draft-grant-tacacs-02.txt SSH
> ietf-draft SSH Authentication Protocol > ietf-draft SSH Connection Protocol > ietf-draft SSH Transport Protocol Ethernet Pseudo-Wire
> draft-ietf-pwe3-ethernet-encap-02.txt > draft-ietf-pwe3-control protocol-02.txt > draft-so-pwe3-ethernet-01.txt RADIUS
> RFC 2865 Remote Authentication Dial In User Service
> RFC 2866 RADIUS Accounting
> RFC 2571 SNMP-FRAMEWORK-MIB > RFC 2572 SNMP-MPD-MIB > RFC 2573 SNMP-TARGET-&NOTIFICATION-MIB
> RFC 2574 SNMP-USER-BASED-SM-MIB > RFC 2575 SNMP-VIEW-BASED-ACM-MIB > RFC 2576 SNMP-COMMUNITY-MIB > RFC 2665 EtherLike-MIB > RFC 2819 RMON-MIB > RFC 2863 IF-MIB > RFC 2864 INVERTED-STACK-MIB > RFC 2987 VRRP-MIB > RFC 3014 NOTIFICATION-LOG-MIB > RFC 3273 HCRMON-MIB > draft-ietf-ospf-mib-update-04.txt > draft-ietf-mpls-lsr-mib-06.txt > draft-ietf-mpls-te-mib-04.txt > draft-ietf-mpls-ldp-mib-07.txt > draft-ietf-isis-wg-mib-05.txt > IANA-IFType-MIB > IEEE8023-LAG-MIB > An extensive array of private enterprise MIBs is also supported.
SONET/SDH
> GR-253-CORE Network Managment
> RFC > RFC > RFC > RFC > RFC > RFC > RFC > RFC > RFC > RFC
1657 BGP4-MIB 1724 RIPv2 MIB Extensions 1850 OSPF-MIB 1907 SNMPv2-MIB 2011 IP-MIB 2012 TCP-MIB 2013 UDP-MIB 2096 IP-FORWARD-MIB 2206 RSVP-MIB 2558 SONET-MIB
w w w. a l c a t e l . c o m Alcatel and the Alcatel logo are registered trademarks of Alcatel. All other trademarks are the property of their respective owners. Alcatel assumes no responsibility for the accuracy of the information presented, which is subject to change without notice. © 07 2003 Alcatel. All rights reserved. 3CL 00469 0397 TQZZA Ed.02 17255
