Delivering Dedicated Internet Access (DIA) and IP Services with Converged L2 and L3 Access Device
←
→
Page content transcription
If your browser does not render page correctly, please read the page content below
Application Note
Delivering Dedicated Internet Access (DIA) and IP Services
with Converged L2 and L3 Access Device
THE NEED
Communications Service providers (CSPs) have been transitioning from legacy SONET/SDH to IP and Ethernet networks
to optimize and leverage their Metro network infrastructure to support future services, and consequently protect
existing investment.
Additionally, they are continuously pursuing ways to enrich their business, residential, and mobile service offerings in
order to remain competitive as well as addressing customer demand for faster and cost effective connectivity. The stride
for competitiveness goes hand in hand with OpEx savings. Converged L2 MEF CE2.0 and IP services play a key role in
this endeavor. IP services are a key pillar in this service offering taking into consideration their projected healthy pace
growth. The significant growth in IP services is fueled by surging data, video and mobile broadband traffic, and cloud
services. Additionally, enterprises use their networks to transform their business, and look IP as a means to improve
revenue, operations, profitability, and the customer experience.
THE CHALLENGES
1. Deliver L2 and IP services via a single access device with high-speed (10GE) line rate performance
2. Meet customer experience expectations - support the visibility of various traffic flows to ensure SLAs -
offer customers a comprehensive view of their service attributes including QoS, bandwidth, availability, statistics, history
and compliance with KPIs and SLAs
3. Reduce the cost of provisioning and OAM
4. Provide integrated management and deployment with reduced CapEx and OpEx for rolling out L2 and L3 services
MRV’S SOLUTION
MRV’s solution is based on its OptiSwitch® Series, a whole product line of converged L2 MEF Carrier Ethernet 2.0 and
L3 service access devices that are deployed by the world’s most prominent Tier 1 CSPs. OptiSwitch enables CSPs
to transform their Metro networks for a wide range of next-generation services from IP-based LTE mobile backhaul
to wholesale Ethernet to cloud access services. OptiSwitch solution is empowered by Master-OS™, a Linux-based
operating system which provides ease of operation across products and applications throughout the network.
Coupled with Pro-Vision®, MRV’s powerful and intelligent service delivery and provision software, OptiSwitch enables
unprecedented time-to-market service deployment and network visibility for CSP’s networks of any size.
1
Application Note
OptiSwitch® enables the convergence of L2 and L3 capabilities and offers CSPs the opportunity to introduce a
wide range of services using single access device. OptiSwitch includes best-of-breed Ethernet switching & routing
technologies that support L2 Carrier-Ethernet 2.0 and hardware-based L3 IP forwarding, security, OAM, and
advanced traffic management & QoS capabilities. This enables both IP and Ethernet managed services with highly
differentiated SLAs to be created, provisioned, monitored and controlled, with just a single platform deployment and
consequently addresses CSPs’ challenges while taking into consideration their future needs.
L2 & L3 VPN SERVICES IN A NUTSHELL
L2 services enable transparent LAN services by extending enterprise LAN across the Metro network using point-to-
point, multipoint and tree connectivity options. When deploying L2 services (refer to figure 1) the customer routing
domain is managed by himself and consequently is hidden from the CSP. L2 services support various applications
(e.g. Mobile Backhaul, Business Ethernet, access to cloud services) that require basic transport connectivity (Q-in-Q
VLANs, IPv4/IPv6 IP/MPLS).
From Sub-FE to 10GE services
with multi-layer OAM tools
Figure 1: L2 VPN Service
L3 services (L3 VPN and Dedicated Internet Access) are offered by CSPs who rely on and leverage IP networking
protocols (e.g. IPv4/IPv4 Static/Dynamic Routing, VRF-Lite, etc.) for the delivery of IP data, voice, and video traffic.
Figure 2: L3 VPN Service
In L3 VPN service delivery (refer to figure 2) the customer shares his Routing domain with the CSP. The L2 access
device enables the customer to access the CSP network through the PE (Provider Edge). Additionally, the L2 access
device advertises the site’s local routes to the PE and as well as learns the remote VPN routes. The PE sole purpose is
to maintain VPN routes for the VPNs to which it is directly attached.
2
Application Note
Table 1 summarizes the major attributes for L2 and L3 VPN service offerings.
Table 1: L2 VPN and L3 VPN Services
DELIVERING L3 SERVICES WITH OPTISWITCH
OptiSwitch enables the delivery of DIA (Dedicated Internet Access) and L3 VPN, the CSP’s key L3 service offering, that
are outlined below.
DEDICATED INTERNET ACCESS SERVICES WITH OPTISWITCH SERIES
DIA is the most standard service CSPs provide to business or residential customers. DIA service can be offered to
a business customer using the same or different access device deployed by the CSP for L2 or L3 VPNs. DIA service
usually combined with NAT (Network Address Translation) that provides some level of security and address
preservation capabilities.
OptiSwitch Series combines Carrier Ethernet with IP capabilities for the delivery of DIA services. OptiSwitch enables
Internet Service Providers (ISPs) to deploy DIA services by using either of the following protocols: static routing to
default-gateway, VRRP for default gateway redundancy, and BGP.
Delivering both L2 VPN and L3 service on a combined L2 &L3 access device eliminates the need for installing a
separate router on a port of an Ethernet access device. This capability is very appealing because the Ethernet service
can additionally be used to provide enterprise connectivity along with Internet access.
EXTENDING L3 VPN SERVICES WITH OPTISWITCH SERIES
OptiSwitch Series enables CSPs to establish private VPN and deploy business services and managed L3 services
coupled with IP SLA for medium and large enterprises with offices distributed across several geographical locations
(headquarters and remote branch offices). OptiSwitch Series extends L3 VPN services via IPv4/IPv6 static & dynamic
routing and VRF-Lite protocols.
Figure 3: Dedicated Internet Access and L3 VPN Services
3
Application Note
Table 2 summarizes the major attributes of VPN business and Internet access business services.
Table 2: VPN Business Services and Internet Access Business service
Figure 4: Full solution with OptiSwitch Converged L2 & L3 Access Device
SOLUTION BENEFITS
Delivering converged services provides multiple benefits. A single access device enables driving new revenues
streams along with network monetization, eases operations, and reduces OpEx. Layer convergence will enable rapid
delivery of new services to market through common service provisioning & management, OAM, troubleshooting and
SLA verification with less devices & configurations, and power & space savings.
In addition, a single L2 and L3 access device means testing, certification, and training can be done in parallel for both
services on the same access device, eliminating the need for conducting them separately. These advantages translate
into significant operational simplifications and corresponding OpEx savings.
The list hereunder outlines MRV’s solution benefits:
• Single access device with reduced TCO delivers the broadest range of L2 and L3 services.
Accelerates ROI and increases revenues - offers L3 integrated IP routing services and consequently saves on costs for
an external router and functions as a single access device for managed L2 VPN and IP services.
• Enables the addition of L2 Carrier Ethernet service to provide enterprise connectivity and Internet access.
Integrated IP routing capabilities enable seamless networking with branch offices and remote users.
• IPv4/IPv6 routing at 10GE wire-speed
4
Application Note
• Provides QoS along with advanced traffic management capabilities that enable CSPs to offer differentiated and
flexible SLA-based services to their customers
• Integrated L2 Carrier Ethernet capabilities eliminate the need to certify one access device for IP services and
a separate one for L2 Carrier Ethernet services. OptiSwitch Series provides a common hardware platform that
accelerates interoperability tests that can be done in parallel for both services on the same access device
• Provides multi-layer OAM tools including MEF SOAM to monitor and assure SLA.
Supports integrated measurements probes that measure continuous and highly granular network KPI (delay, jitter,
packet loss, end-to-end VoIP speech quality measurement) that provides the CSP with continuous monitoring of the
lucrative L2 and L3 revenue generating services in real time.
• Provides IP SLA for ensuring services visibility and manageability
• Zero-touch provisioning with rapid service turn-up with extensive SLA reporting and web-based customer portal
that provides per customer SLA verification via real-time customer friendly dashboards
ABOUT MRV COMMUNICATIONS
MRV Communications is a global leader in converged packet and optical solutions that empower the optical edge.
For more than two decades, the most demanding service providers, Fortune 1000 companies and governments
worldwide have trusted MRV® to provide best-in-class solutions and services for their mission critical networks. We
help our customers overcome the challenge of orchestrating the ever-increasing need for capacity while improving
service delivery and lowering network costs for critical applications such as cloud connectivity, high-capacity
business services, mobile backhaul and data center connectivity.
MRV operates worldwide sales and service offices across four continents.
Contact us at info@mrv.com
MRV Communications
Corporate Headquarters
300 Apollo Drive
Chelmsford, MA 01824
www.mrv.com
For more information contact info@mrv.com or visit www.mrv.com
All statements, technical information and recommendations related to the products herein are based upon information believed to be reliable or accurate. However, the
accuracy or completeness thereof is not guaranteed, and no responsibility is assumed for any inaccuracies. Please contact MRV Communications for more information.
MRV Communications and the MRV Communications logo are trademarks of MRV Communications, Inc. Other trademarks are the property of their respective holders.
The OptiSwitch®, Master-OS™ and Pro-Vision® Trademarks and MRV Company Logo are the sole and exclusive property of MRV Communications.
All other trademarks and logos mentioned in this white paper are the property of their respective owners.
MRV-AN-DIA & L3 Copyright © 2014 MRV Communications, Inc. All Rights Reserved.
You can also read
