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To: drmorgan who wrote (11518)6/20/1999 11:34:00 AM
From: Frank A. Coluccio  Read Replies (1) | Respond to of 29970
 
I found that site to be very interesting, thanks.

whizcomp1.webjump.com



To: drmorgan who wrote (11518)6/20/1999 2:53:00 PM
From: ftth  Respond to of 29970
 
DRM: That should be preserved here for posterity:

This snippit sums it all up well:
ONadvantage Upstream Enhancement - Field Installer Notes

Field installers and all individuals with customer contact should *NOT*
discuss ONadvantage with subscribers (unless specifically asked).

The best ONadvantage explanation is to avoid talking about it to
begin with-if possible.

In both instances the following will *NOT* be mentioned:
128 kbps Upstream rate limiting




ONadvantage Upstream Enhancement
Date posted: 9 Mar 1999
Date last updated:
Author: Karen Thomas
Distribution status: MSO
Review status: Preliminary
Also referred to as 'Upstream Defined
Bandwidth' or 'Upstream Rate Limiting'

Background and FAQs for Operations including

Customer Service Representatives
Field Installers

Background

ONadvantage Overview and Upstream Enhancement - an integral part
of the @Home experience

@Home's network was designed on the fundamental premise that sustainable
high performance requires a highly scaleable architecture that removes Internet
traffic jams and enables true end-to-end performance management.
ONadvantage (Optimized Network Advantage) has two goals that carry this
premise forward:

1.Ensure that the @Home experience is fast and delivers multi-megabit
speeds.
2.Ensure that speed and service is consistent across the growing subscriber
base.

To this end there are three ONadvantage projects:

1.ONadvantage Proxy Evangelization - Improve speed by storing data as
close to the subscribers as possible by using proxy or caching servers.
2.ONadvantage Upstream Enhancement - Ensure consistent speed and
performance across the subscriber base by proactively managing the
network at the subscriber's end.
3.ONadvantage CAR (Committed Access Rate) - Ensure consistent speed
and performance by shielding the @Home Network from external
problems including security attacks and off-net data abuses.

The remainder of this document addressed ONadvantage Upstream
Enhancement details that arise from MSO and @Home planning sessions.

ONadvantage Upstream Enhancement - What it is and why

The ONadvantage Upstream Enhancement is an improvement in speed and
service consistency that is implemented at each customer's modem. The
maximum rate at which a modem can send data (upstream) is set at 128 kbps
(kilobits per second).

Speed remains at multi-megabit levels.
Current speed claims of 'peak speeds over 100 times faster than a
28.8 kbps modem' and 'up to 100 times faster' remain and are not
affected in any way.
Downstream rates remain as is and benefit from ONadvantage
Upstream Enhancement.
Over 99.5% of the subscriber base will experience improved service.
Consistent high speed service: Sending files at rates up to 128
kbps ensures that each subscriber receives consistent high speed
experience. The @Home Network has done research and has
noticed that certain customers are abusing the network by using a
disproportionate share of network resources, which in turn causes
poor performance for others on the network. To help manage this
abuse and ensure that all our customers get consistent high speed
service, ONadvantage is being rolled out. The ONadvantage
Upstream Enhancement is targeted specifically at protecting the
HFC network from the small set of subscribers that may use a
disproportionate share of bandwidth.

All modems have a limit on the rate at which they can send data, although this
rate is different from modem to modem and depends on many additional factors.
The @Home service, designed for residential use and designed for acceptable
use as outlined in the Acceptable Use Policy, benefits by proactively managing
this rate, the upstream rate, to 128 kbps for all subscribers. By mid 1999 all
new modem deployments will have 128 kbps upstream rates. As of March 1,
1999 all existing proprietary (non-DOSCIS) modems are in the process of
being deployed with the ONadvantage Upstream Enhancement.

Analogy: Think of ONadvantage Upstream Enhancement as metering
lights on highway on-ramps. The speed on the highway is fast and
remains fast as long as cars entering the highway do so in a managed,
organized fashion without impairing the speed of those already on the
highway. When metering lights are off cars may enter freely. When
metering lights are on, cars wishing to enter must first adhere to the
metering lights. This prevents a surge of vehicles from entering the
highway all at once and slowing the entire highway and all the drivers' fast
speed experience. The speed of each driver on the highway is preserved.
Note that this analogy falls short in that the ONadvantage Upstream
Enhancement delivers an on-ramp rate that is faster than the typical
on-ramp. ONadvantage Upstream Enhancement is 4 times faster than a
dial-up modem while ensuring that the peak (downstream) rates are over
100 times faster than a 28.8 kbps modem. ONadvantage Upstream
Enhancement delivers on-ramp speeds that reach peak speeds that are
orders of magnitude faster than typical dial-up modems offer in the same
situation.

Customer Service Representatives

ONadvantage Upstream Enhancement - FAQs

What is ONadvantage?

ONadvantage stands for 'Optimized Network Advantage'. Based on customer
feedback, we're making a few changes to our network to ensure that you
consistently experience the blazingly fast speed of the Internet over cable. MSO
@Home is a series of enhancements that will give all our members the
opportunity to enjoy superior performance and unwavering reliability of the
MSO @Home service.

ONadvantage enhancements include upgrading all our mail and caching servers.
The new mail servers are designed to ensure consistent, reliable performance as
our subscriber base grows, and the new caching servers are designed to ensure
super-fast performance for Web surfing.

What is ONadvantage Upstream Enhancement?

We have noticed that certain customers are abusing the network by using a
disproportionate share of network resources, which in turn causes poor
performance for others. To help manage this abuse and ensure that all our
customers get consistent high speed service, we have recently deployed a series
of enhancements called ONadvantage or Optimized Network Advantage. The
ONadvantage Upstream Enhancement is a speed and service consistency
improvement implemented at each customer's modem.

What is the upstream rate of my @Home service?

Is the @Home service rate-limited?

Downstream rates are NOT limited. Upstream rates are limited to 128 kbps.

I bought an 'unlimited' service. I asked you if the @Home service is
upstream rate limited, and you said yes. This doesn't sound like the
'unlimited' service I signed up for. What happened?

The @Home Network is committed to providing the highest level of network
performance. We constantly improve the service to ensure the fastest possible
experience. ONadvantage Upstream Enhancement ensures that everyone has
upstream rates required for the fastest possible residential use. As per the
Acceptable Use Policy we reserve the right to make changes to the network as
needed to ensure that this is accomplished. You should read the Acceptable
Use Policy for more information:
http://www/V3/tabhelp/houseruls/aup/index.htm

Why does my server at home appear to be slow when it is accessed from
the outside?

The @Home residential service offering is designed for your personal use of the
Internet. As per the Acceptable Use Policy, a residential user may not run
programs or servers which provide network services to others via the @Home
residential service - for example, an @Home user should not be running a
web/mail/ftp server to serve external connections. To help manage this abuse
and ensure that all our customers get consistent high speed service, we have
recently deployed a series of enhancements called ONadvantage or Optimized
Network Advantage. This will ensure that you and all subscribers will always be
able to use the @Home service as it was designed to be - super fast @Home
Experience.

To address the more sophisticated needs of customers like you, we are
investigating the possibility of providing a service whereby you will be able to
host your own servers in your residence.

What is considered acceptable use of the @Home service?

What is the definition of 'residential use'?

What is @Home's policy on network abuse?

The Acceptable Use policy can be found here:
http://www/V3/tabhelp/houseruls/aup/index.htm

Field Installers, Other Operations

ONadvantage Upstream Enhancement - Field Installer Notes

Field installers and all individuals with customer contact should *NOT*
discuss ONadvantage with subscribers (unless specifically asked).

The best ONadvantage explanation is to avoid talking about it to
begin with-if possible.
All ONadvantage communications to the customer is based
on an as-needed basis only.
ONadvantage is a benefit to subscribers and it is also very
complicated to explain-therefore limiting subscriber
communication regarding ONadvantage prevents
unnecessary misunderstandings.
ONadvantage needs your help by keeping it low-key in the eyes of
the subscriber.
Ideally the customer will experience the advantages of
ONadvantage program without ever knowing it existed.

ONadvantage Upstream Enhancement - Additional Background

ONadvantage Upstream Enhancement provides significant benefit by protecting
the HFC plant. Data shows a small minority, as few as one or two users, can
use a disproportionate share of bandwidth and negatively affect the performance
of other subscribers. The likelihood of this happening increases as the number of
subscribers grows. (An example of this kind of abuse is running servers off of
the @Home Network and is clearly outlined in the Acceptable Use Policy
(AUP)). @Home is committed to addressing this problem early and before
significant subscriber growth leads to increased performance issues and makes
ONadvantage Upstream Enhancements difficult to deploy. A handful of abusers
can use up to 50% of a given node's resources if left unchecked.

Implementing the ONadvantage Upstream Enhancement is the only known,
scaleable solution to managing the subscriber abuse. Other approaches are not
proactive and therefore leave the network and all subscribers open to severe
performance loss whenever an abuser grabs an upstream bandwidth above and
beyond a residential user's needs. The AUP clearly states what is and is not
acceptable. The ONadvantage Upstream Enhancement makes the @Home
residential service very unattractive for subscribers who push the limits of the
service into the unacceptable use area. Specifically, those subscribers who wish
to deploy servers (clearly not acceptable use and outlined in the AUP as such)
will find that the 128 kbps maximum upstream rate unacceptable performance
for this kind (unacceptable) activity. They will seek services elsewhere, including
business services offered by the MSO and MSO@Home (including @Work
products). Again, this is a minute portion of the subscriber base, less than half a
percent.

Deploying Upstream Enhancements

The schedule, and this includes status on what markets have been deployed to
date, is found here:

Master Schedule:

partner.home.net

This schedule is for all markets and all modems. We will constantly be posting
updates to it so check back frequently. Note that the schedule distinguishes
between 'tentative' and 'confirmed' dates. MSO approval is

required for dates to be 'confirmed'.

Marketing, Public Relations, Communications

ONadvantage Upstream Enhancement - Additional notes

ONadvantage Upstream Enhancement is a positive development for the
@Home Network. It is also very complex as it involves network management
decisions that are technical in nature and easily misconstrued by subscribers.
@Home strongly recommends that subscriber communication be limited to:

1.The ONadvantage letter sent out in late 1998.
2.The broadcast banner next to the 'Talk to Us' button on the @Home
Home page that includes a click-through letter. This click-through letter is
posted 24 hours prior to deployment and will:
Explain ONadvantage in broad terms.
Will inform the subscriber of the time of the brief service
interruption.
Will target the audience by MSO and by state and often more
granular.
This limits the message to those who need to know.
3.In both instances the following will *NOT* be mentioned:
128 kbps
Upstream rate limiting

This basic plan is based on the premise that subscribers wish to have a service
that is fast and reliable. They want the service to be provided with a minimum
amount of effort on their part. This includes network management decisions and
improvements and other technical aspects of the service. Customers would
prefer NOT to be dragged into technical discussions or emails. Furthermore, the
concepts of 128 kbps, rate limiting, and servers are not easily conveyed. In fact,
the chances for misunderstandings and miscommunications with subscribers is
very great. Therefore @Home's communication plan is based on delivering only
what the customer needs to know.

ONadvantage should be kept low-key in the eyes of the
subscriber.
Ideally the customer will experience the advantages of
ONadvantage program without ever knowing it existed.

Clearly if a subscriber asks point-blank, 'am I being rate limited?', the answer
must be yes. See FAQs above.

Note that @Home Public relations is actively involved in shaping ONadvantage
communications strategy and kept informed of all developments.

Document ID #: tt352
Review date: 1 Aug 1999
Keywords: ONadvantage, upstream

© Copyright @Home Corporation 1999 All rights reserved


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