AT&T Multi-protocol Label Switching Private Network Transport ...

canoeornithologistNetworking and Communications

Oct 26, 2013 (3 years and 10 months ago)

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AT&T Proprietary Information

AT&T Multi
-
protocol Label Switching

Private Network Transport Service

(MPLS PNT)

National Communications

Tel: 866
-
624
-
2008

Email:
Sales@nationalcommunicationsgroup.com

AT&T Proprietary Information

Agenda


Your Business Requirements


What is MPLS?


MPLS PNT Offer


IP VPN


The Value of MPLS PNT


Wrap Up and Q&A

AT&T Proprietary Information

Your Business Requirements

AT&T Designs Networking
Solutions for Your

Business Needs

Easy to use,

integrated services

Consistent
customer support

Global solutions that

grow with the business

Migration path

to new technologies

Superior customer

experience

Value for return

on communications

investment

Consistent and

predictable services

On
-
time

implementation

AT&T Proprietary Information

AT&T’s IP Network: Engineered to Your
Requirements

AT&T is Investing to Operate the World’s Best IP Network

HQ

End User

Corporate
Sites

Business
Partners

Corporate
Sites

Business
Partners

HQ

Remote Worker

End User

Single AT&T Global
Network

End
-
to
-
End
Quality of
Service

AT&Ts Network Evolution: Optimizing Application Performance with MPLS



Supports Quality of Service/Classes of services for different applications


Traffic Prioritization


Scalable Virtual Private Networks (VPN)

Varying
Degrees of
Management

AT&T Proprietary Information

MPLS in the AT&T Global Network Backbone

X
-
over

Services

Network

CSR

Frame


VPNs


Internet

Private &

I1.1 Servers

SNA



ATM & Frame

Infrastructure

NCP

RAS

CSR

CSR

NCP

CSR

Shared


Servers

CSR

P
E


Share
d
MPLS

N
etwork


PE

PE

PE

Optical Core Network


PE

CSR

Internet

MPLS
VPNs


Edge
VPNs


RAS

AT&T Proprietary Information

How MPLS forwards Packets

Data Packet

Two Labels

The inner label (second
-
level) identifies the

destination VPN and

customer address

Egress MPLS Edge

Router removes labels

from each packet

The outer label (first
-
level) is the forwarding
label for transport
within the core

Ingress MPLS Edge
Router adds two labels
to each packet

AT&T Proprietary Information

Convergence
-

Wouldn’t this be Nice?

Internet
Applications

Data
Applications

MPLS IP
Backbone

Voice
Applications

MPLS Enabled IP Network


All Applications on ONE IP Network

AT&T Proprietary Information

MIS


Managed Internet Service

The Foundation for MPLS PNT

LAN

AT&T CBB

(IP Backbone)

Customer

Premises

Customer

router

Public Internet

AT&T

POP

Access

router

Provides customers with managed, dedicated connectivity to the public Internet, complemented with a number of
value added services. AT&T carries customers’ traffic to anywhere on the Internet

Description

Dedicated port into AT&T’s OC48/OC192 Common Backbone
-

no single point of
failure in the core backbone:



Designed with multiple rings for alternative routes between nodes



Routers deployed in a redundant fashion (power, processors)



Access speeds range 56kbps


2.5 Gbps (OC48)



Access options: PL, FR, ATM, T1SINA, Ethernet



MIS with CPE option includes: equipment lease, installation, monitoring, and
maintenance; also offer redundant configuration (“Cold Standby” CPE)


AT&T Proprietary Information

What is AT&T MPLS PNT?


PNT is a new type of VPN (Hybrid of the traditional models)


Provisioned on the AT&T IP Network


Uses MPLS (Multiprotocol Label Switching) to provide security



Does not need additional VPN gear at the customer’s site for
security



A private networking environment in a shared infrastructure
(IP Network) utilizing Multiprotocol Label Switching (MPLS)
technology based on IETF Standard (RFC 2547)


Simply stated


A network
-
based IP VPN

AT&T Proprietary Information

Applications of MPLS PNT


VPN


MIS PNT is a network based VPN, which offers all of the benefits of
traditional IP based VPNs without the need for additional VPN gear
and management


Point to Point Connection


MIS PNT provides a dedicated, replicable, and secure path through
the AT&T IP Backbone


Merge Networks (FR, ATM, IP)


MIS PNT gives customers the ability to have the security of FR on an
IP network. Therefore, they can have Internet access and security
and CoS all on one network



AT&T Proprietary Information

Features of MPLS PNT


Access Speeds


Packet over SONET (POS) interface access for T1, T3, OC3, OC12 and OC48 (Fractional T1
is not available at this time


coming 1Q04)



(NxT1 is not available at this time


however MARO ALB is available)


Addressing


Allows both private (example10.x.x) and public addressing


Routing protocol


Supports both Static and BGP (depending on PNT model)



Billing options


Flat rate, Burstable, Hi
-
Cap Flex, and aggregate


Internet Access


MPLS PNT does not provide internet access (on the same port


Coming soon!)


Internet access can be provided by purchasing Internet ports and will incur additional charges


Management


Supports both managed and
unmanaged

options


Footprint


Domestic US only


AT&T Proprietary Information

Model Examples of MPLS PNT

CE router will send AT&T's PE (AR) router labels
identifying the VPN. The AT&T PE router adds
labels identifying the path through the network

PE

(AR)


P

(BR)

PE

(AR)

Downstream

ISP’s MPLS

VPN

MPLS VPN

Downstream

ISP’s MPLS

VPN

CE

CE

Label Transport IP Transport

CE router will act just like any other IP
router. The CE router will send IP packets
to AT&T's PE router (AR). The AT&T PE
router assigns VPN labels to the packets


PE

(AR)


P

(BR)


PE

(AR)

Customer

Region 1

MPLS VPN

Customer

Region 2

CE

CE

AT&T Proprietary Information

The Value of Both Models


MPLS IP Transport
(CPE does not send a VPN label to AT&T AR)



Customer Edge router (CE) will send IP
traffic to AT&T PE router


AT&T PE router (AR) will assign two labels
to the customer’s packets.


One label identifies the VPN and the other
label identifies the path through the AT&T
network


Static and BGP routing protocol between
customer router and AT&T access router


Advantage:


Simplicity. Customer doesn’t have to
understand MPLS but will be provided
a network based VPN



MPLS Label Transport
(CPE sends a VPN label to AT&T AR)



CE router must be LDP (MPLS Label
Distributed Protocol) enabled. It will send
IP traffic to AT&T PE Router and add
additional labels identifying the VPN


AT&T PE router (AR) will assign two more
labels to the customer’s packets
identifying the VPN and path through the
AT&T network


The combination of the customers labels
plus AT&T’s labels creates the labels
needed for MIS PNT


Static routing protocol supported between
customer router and AT&T router at this
time.


Advantage:

»
Customer does not need to send
AT&T their external routes

»
Customer can run MPLS within their
regional network

»
Customer can offer MPLS VPN to
their own customers.


AT&T Proprietary Information

How Label Transport Model Works


IP Backbone has been MPLS enabled


During the Provisioning process, AT&T creates a “VPN ID” for the
customer


The Provider Edge (PE) router (or Access Router) will terminate
Customer Edge (CE) routers (or Customer Routers) MPLS PNT ports
and assign a VPN label to it.


PE router will then add on another label for packet forwarding
purposes. Once the packet gets into the backbone core, the
Provider’s (P) routers (or Backbone Routers) will have no knowledge
of this VPN, where it terminates, or its IP addresses. The P routers will
just forward the labeled packets, following the normal network
routing mechanism.


Once the packet reaches the destination PE router, it will then strip
off the forwarding label.


Based on the VPN label, the destination PE router will know which
port belongs to the VPN. It will then take off the VPN label, and send
the packets to the designated port connected to the CE router.

AT&T Proprietary Information

Class of Service With MPLS PNT

CR1

AR1

BR

CBB

Core

CR2

AR2



Packet prioritization by reordering



Bandwidth allocation



Congestion management

CR=Customer Router


AR=Access Router

AT&T Proprietary Information

Service Level Agreements (SLAs)


SLAs



99.99% Availability



60 millisecond Network Latency/Delay



<0.7% Packet Loss



Provisioning


T1: 32 Business days


T3: 42 Business days


OC3 : 63 Business days

AT&T Proprietary Information

The Value of MPLS PNT


Cost Effectiveness


Significant cost savings


10%
-
40% compared to “Traditional VPNs”


Merges both Internet and private networking needs over one cost effective network



Layer 3 PPP local access


Offers end to end Native IP


Guaranteed Full Port Speeds


Not a CIR/CDR concept that cannot “guarantee” port speed


Extensive U.S. Domestic Reach via the AT&T IP Backbone
-

a Native IP
Network


Uniform MPLS
-
enabled IP Network


Access independent


Security


MPLS inherent security on par with Frame Relay


Additional optional AT&T Security Services


High Performance Network


Available with MARO (MIS Access Redundancy Options)


Tier 1 carrier
-
class IP network reliability and performance


Predicatable Performance (QoS)


Multiple Classes of Service supported to accomodate all types of applications

AT&T Proprietary Information

The Value of MPLS PNT
-

con’t


Project Management


Comprehensive network solution design leveraging AT&T engineering and
operational expertise


Project and deployment management utilizing global tool set to develop,
document and drive implementations globally


Simplicity of One Stop Shop with Flexible Billing Options



One contract, one price schedule, one servicing model deployment /
operation / customer care, one bill


Billing includes options for flat rate, burstable, hi
-
cap flex and aggregate


Scalability


Network based service can be scaled easily in terms of sites and speeds


Fully meshed connectivity to all sites with just a single connection into the
VPN


Simplicity


No tunnel or PVC provisioning and maintenance required


Flexibility


Add or delete sites/routes as needed


Excellent Customer Support


24X7 customer care and network support

AT&T Proprietary Information

AT&T Accolades



AT&T IP backbone is the largest US IP backbone in
traffic volume

AT&T IP backbone is the best performing IP backbone
in the industry

A clear leader of managed data networking provider in
large enterprise market in a enterprise survey

Data market leader in performance and presence by
META Group

AT&T ranked highest on Gartner’s US NSP Magic Quadrant
with best “Ability to Execute” and “Completeness of Vision”

First and ONLY carrier with both a coast to coast OC
-
192
AND more than 1.8M sq. ft. of hosting capacity

Handles 2,700 trillion bytes of data on an average business
day
, equivalent to the printed contents of the Library of
Congress, every 11 minutes

Operates with 99.999 percent network reliability for ATM and
Frame Relay,as well as 99.99 percent reliability for IP services



AT&T Proprietary Information

AT&T: The World’s Networking Company

Thank You

AT&T Proprietary Information

Back Up Slides

AT&T Proprietary Information

MIS Access Redundancy Options (MARO)


Purchase multiple connections to the AT&T IP backbone to help protect against potential failure in
any single component of the MIS circuit. e.g., customer’s access router, IP backbone router, circuit
link, etc.


AT&T will coordinate with the customer to implement their desired traffic flow over the two links
and manage the necessary BGP4 routing


Fast rerouting within the AT&T network upon failure


AT&T will implement failover mechanisms to protect against failures of the MIS Managed Routers
on customer premises


AT&T can provide network professional services to assist in traffic flow design, load sharing, BGP4
design, etc. for MIS customers with or without Managed routers

AR

CR

POP

IOC

LC

AR

CR

Backbone

Backbone

Customer site

AR

CR

POP

IOC

LC

AR

CR

Backbone

Customer site

AR

CR

POP

IOC

LC

Backbone

Customer site

Backbone Node Redundancy Access Router Redundancy Automatic Load Balancing