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ApolloAOC_L2 Card

Next Generation Optimized Multilayer Transport System

General Description


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Apollo General Description

August 2015

1st Edition

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ECI Telecom Ltd. Proprietary C-1

AoC10_L2 Card

Apollo's new AoC10_L2card grooms multiple GbE packet flows to GE, 10 GE, or 10 GE wrapped in OTU2e

(P2P or ring). The card occupies a single slot and can be installed in all Apollo platforms. The AoC10_L2supports the following features:

16 x GbE/FE SFP-based ports. These ports are typically client (UNI) ports. Electrical SFPs can be installed,

making the corresponding port 3-speed.

4 x 10GbE/OTU2e SFP+ based ports with EFEC and tunable SFP+ as uplinks for maximum reach and 88ch

support. These are typically NNI ports, though they can also be used as client ports.

Supports in-band management, including Apollo IMG, OSC, and standard Apollo GCC0 bytes of OTU2e.

GFEC and EFEC modes towards the line

The AoC10_L2 card supports a 56G MPLS-TP centralized switch, configurable for Provider Bridge (PB) or

MPLS-TP networks. Supported services include P2P, P2MP, MP2MP, and VLAN or MPLS-based.

Traffic management is based on the following mechanisms:

Ingress (and optionally egress) policing at UNI and E-NNI ports based on VLAN tagging (C-VLAN, S-VLAN,

untagged), 802.1p, and DSCP.

Forwarding is based on VLAN, MPLS label stack, and/or destination MAC address.

Egress scheduling combining strict priority with weighted round robin (WRR).

Weighted random early drop (WRED).

Dedicated queues defined per outgoing LSP/CoS.

OAM mechanisms include 802.1ad (Link OAM), Ethernet CFM, BFD for MPLS-TP users, and Y.1731.

Sub-50 msec protection is supported with:

ERP (PB mode)

MPLS-TP linear protection for bidirectional LSPs

RSTP provides an additional protection mechanism in PB-based network segments. Ethernet link aggregation

(LAG) provides a mechanisms for protecting customer-facing ports as well as increasing their available

bandwidth.

The AoC10_L2 card grooms incoming data traffic, arriving from customer-facing ports, using L2 packet

switching. The card's 10GE ports can be wrapped with OTN OTU2e containers and "colored" with

user-provisioned wavelengths, for seamless integration with the Apollo OTN and/or photonic capabilities.

Using EFEC for OTU2e extends the reach of the optical signal, while tunable SFP+ transceivers facilitate usage

of any of 88 optical channels in the photonic network.


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Two 10GE internal ports can be used to connect a pair of AoC10_L2 cards located in adjacent slots in a 9608

or 9624 platform, thus reducing the need for additional transceivers and fibers for these connections.

Figure 1: AOC10_L2 front view

1.1 MPLS-TP and Ethernet Functionality on the

AoC10_L2The AoC10_L2 is an MPLS-TP service card that supports an advanced Ethernet-based metro-core layer,

enabling NG Ethernet applications such as triple play, VPLS business connectivity, 3G Ethernet-based

aggregation, and CoC bandwidth applications. The AoC10_L2 cards provides complete PB (QinQ) and MPLS

switching functionality, offering scalability and smooth interoperability with IP/MPLS core routers. Data

features supported by the AoC10_L2 include:

Data throughput of 56 Gbps.

Configurable data switching modes:

Ethernet PB (QinQ) switch, based on 802.1d/q/ad (default).

MPLS-TP Layer 2 switch.

Interoperability with XDM MCS, BroadGate, and NPT L2 cards.

Interoperability with third party datacom equipment.

Ethernet services, including:

E-LINE Point to Point (P2P).

E-LAN Multipoint to Multipoint (MP2MP).

E-Tree Point to Multipoint (P2MP).

Packet applications are augmented by OTN wrapping of 10GE ports into OTU2e, with the ability to tunethe port lasers, eliminating the need for transponders between the 10GE ports and the OTN/photonic

equipment.

OAM support:

Ethernet link OAM.

Ethernet service OAM.

MPLS-TP OAM.

PW OAM.

Port mirroring.

Traffic management, including classifications and mapping, scheduling, and policing.


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Layer 2 protection mechanisms, including:

Multi-ring ERP (sub-50 msec Ethernet Ring Protection).

1:1 linear protection (sub-50msec for bidirectional LSPs).

RSTP in PB mode.

PW redundancy in MPLS-TP mode.

Many of these features are described in greater detail in this section.

The AoC10_L2 supports full interoperability with data cards in the NPT, XDM, and BroadGate platforms, as

well as seamless interfacing with external third-party hardware.

apollo-aoc l2 gd

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