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Alcatel-Lucent 7750 SR | Data Sheet 3
routing applications, the 7750 SR
supports standards-based implemen-
tations of the full range of unicast and
multicast routing protocols: Border
Gateway Protocol (BGP-4), Inter-
mediate System-to-Intermediate
System (IS-IS), Open Shortest Path
First (OSPF) v3, Internet Group
Management Protocol (IGMP) v3
and Protocol Independent Multicast
— Sparse Mode (PIM-SM). The 7750 SR
uses the Alcatel-Lucent Service Router
Operating System (SR OS) image,
across all platforms, for operational
simplicity and in order to provide a
highly scalable software foundation
that is tightly integrated with the FP
technology architecture.
The Alcatel-Lucent 7750 SR fully sup-
ports a dual IPv4/IPv6 stack, allowing
for the simultaneous delivery of IPv4-
and IPv6-based services with no
performance impact. The dual stack
allows the operator to deliver IPv6-
based services on a per-customer basis,
negating the need to migrate the
entire network to IPv6. IPv6 support
includes IPv6 provider edge routing,
full multicast support and non-stop
routing on OSPF, IS-IS and BGP4,
enabling a number of applications,
including IPv6 provider edge (6VPE)
for IP VPNs, IPv6 Internet exchange
peering, and IPv6-based Internet
services. The comprehensive dual-stack
feature set is suitable for all major
application deployment types, which
include IPv4/v6 triple play, IPv4/v6
business VPN services and IPv4/v6
wireless broadband access/backhaul
beyond switched and routed services
network boundaries.
MPLS
Multiprotocol Label System (MPLS) is
field proven, follows a highly consoli-
dated standardization process, and is
the key enabling technology for IP
network and service transformation —
for the aggregation, edge and core
network segments. Consistent with the
attributes of MPLS, the Alcatel-Lucent
7750 SR enables the full range of Layer 2
and Layer 3 protocols such as Ethernet,
Frame Relay, ATM, BGP-4, IS-IS and
PIM-SM to make it the platform
of choice for enabling network
convergence. The 7750 SR supports
the full range of the IEFT’s architec-
ture, stack, traffic engineering (TE),
signaling, Pseudowire Emulation
Edge-to-edge (PWE3) and OAM
standards for service tunneling
flexibility. The 7750 SR is capable
of delivering any combination of
services to any port, without a
tradeoff between throughput and
service depth. For operators moving
to an all-IP network, the 7750 SR
supports synchronous Ethernet
(Sync-E) for SONET/SDH-like synchroni-
zation performance to enable the
distribution of precision network
timing and synchronization over
Ethernet transport links.
High availability
The Alcatel-Lucent 7750 SR was
purpose-built from its inception to
guarantee the highest levels of
availability, resiliency and redundancy
from hardware and software architec-
tures. The 7750 SR is a fully redundant
platform with hot-swappable compo-
nents, including interface modules,
power supplies, and Switch Fabric/
Control Processor Module (SF/CPM),
with no single point of failure. In
addition to hitless in-service software
upgrades, MPLS TE graceful shutdown,
graceful restart — helper mode, fast
reroute and multichassis automatic
protection switching (APS) on SONET/
SDH links, the 7750 SR established an
industry benchmark with non-stop
routing, non-stop services and
multichassis Link Aggregation Group
(LAG). The industry-leading high-
availability features of the 7750 SR
have been validated by BT Exact, an
industry-recognized third-party test
organization. The 7750 SR maximizes
the quality of the user experience with
uninterrupted subscriber sessions, fully
enforceable stringent SLAs, and life line
services delivery.
Multi-service flexibility
The Alcatel-Lucent 7750 SR leverages
the sophisticated FP technology to
deliver unmatched multi-service
flexi bility and service-aware quality
of service (QoS) capabilities, with
the service depth that higher-margin
services require. The 7750 SR has a
highly scalable service-aware architec-
ture capable of providing simultaneous
support for triple play, mobile, Virtual
Private LAN Services (VPLS), Virtual
Private Wire Services (VPWS), PBB-
based services, enhanced Internet
services, and IP virtual private network
(VPN) services. It has the field-proven
performance to scale BGP peers, routing
and forwarding tables, Layer 2 and
Layer 3 service instances, pseudowire
terminations, and service queues to
concurrently support the most deman-
ding consumer, business and mobile
services. The robustness of the 7750 SR
to converge multiple services over one
IP/MPLS network has been validated
in independent tests by Isocore, an
industry-recognized third-party test
organization.
Service-aware QoS provides service-
based queuing, policing and shaping,
with per-service bandwidth guarantees
to meet the most demanding SLAs.
For increased service differentiation,
the Alcatel-Lucent 7750 SR delivers
service-aware Hierarchical Quality of
Service (H-QoS) and accounting for
innovative service bundles. This helps
guarantee the performance of each
forwarding class in terms of band-
width, delay and jitter, while allow-
ing lower priority traffic to burst when
higher priority applications go idle. To
ensure service continuity with legacy
services, the 7750 SR supports network
and service interworking using Ethernet,
Frame Relay, and ATM psuedowires
for advanced VPWS over the IP/MPLS
backbone.