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Before:
Comcast Network Management Policy
Recorded by TOSBack on
December 1, 2009 around 9am PT.
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After:
Comcast Network Management Policy
Recorded by TOSBack on
January 30 around 11pm PT.
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TERMS OF SERVICE:
Subscriber Agreement|
Acceptable Use Policy|
Network Management|
Report Abuse to Comcast
Comcast Network Management |
TERMS OF SERVICE:
Subscriber Agreement|
Acceptable Use Policy|
Network Management|
Report Abuse to Comcast
Comcast Network Management | |
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Comcast is committed to providing the best online experience possible for all of its customers. The company uses reasonable network management practices that are consistent with industry standards. |
Comcast is committed to providing the best online experience possible for all of its customers. The company uses reasonable network management practices that are consistent with industry standards. | |
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Managing the network is essential as Comcast works to promote the use and enjoyment of the Internet by all its customers. |
Managing the network is essential as Comcast works to promote the use and enjoyment of the Internet by all its customers. | |
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More questions? View our Network Management FAQs |
More questions? View our Network Management FAQs | |
Recent News and Posts: |
Recent News and Posts: | |
Data Usage Meter Pilot Market Deployment | IPv6 Technical Trials for 2010 Announced | |
| Wednesday, January 27, 2010 | ||
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Comcast has been a leader in IPv6 development for many years. Our leadership continues today with the announcement of a plan to conduct real, production-network trials of IPv6 technology this year. The transition from IPv4 addresses to IPv6 addresses is a necessity, as the available pool of IPv4 addresses will at some point be exhausted for all Internet users. | ||
| These trials will help Comcast to identify and solve any areas of difficulty involved in the transition to IPv6, and to determine what approach will be the easiest and most seamless to our customers. Comcast will continue to share what we learn with the Internet community, particularly with the IETF, for the benefit of other users of the Internet. | ||
| Customers who are interested in volunteering to participate in these IPv6 trials, can express their interest using the online form on the Comcast IPv6 Information Center website, at http://www.comcast6.net. | ||
Data Usage Meter Pilot Market Deployment | ||
| Tuesday, December 1, 2009 | Tuesday, December 1, 2009 | |
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Today we announced the start of a pilot market deployment of our data usage meter for our High-Speed Internet Service. This deployment begins today for customers in Portland, Oregon. We currently anticipate deploying this usage meter beyond the pilot market beginning in the first quarter of 2010. You can find FAQs here, and an independent analysis of the usage meter by NetForecast, Inc. here. The usage meter looks like this. Feel free to visit our customer support forums if you'd like to ask us more questions. |
Today we announced the start of a pilot market deployment of our data usage meter for our High-Speed Internet Service. This deployment begins today for customers in Portland, Oregon. We currently anticipate deploying this usage meter beyond the pilot market beginning in the first quarter of 2010. You can find FAQs here, and an independent analysis of the usage meter by NetForecast, Inc. here. The usage meter looks like this. Feel free to visit our customer support forums if you'd like to ask us more questions. | |
Comcast Participates in MIT Internet Traffic Analysis Study |
Comcast Participates in MIT Internet Traffic Analysis Study | |
| Tuesday, October 20, 2009 | Tuesday, October 20, 2009 | |
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The MIT Internet Traffic Analysis Study (MITAS) is a new research project at the MIT Computer Science and Artificial Intelligence laboratory (CSAIL). The goal of this project is to undertake novel empirical research of ISP traffic data. Data will be collected from at least six participating ISPs, including Comcast, and the project hopes to add more ISPs. Better data and collection methodologies are needed to inform the industry, the network research community, and policy discussions about appropriate technical and business approaches to traffic management. |
The MIT Internet Traffic Analysis Study (MITAS) is a new research project at the MIT Computer Science and Artificial Intelligence laboratory (CSAIL). The goal of this project is to undertake novel empirical research of ISP traffic data. Data will be collected from at least six participating ISPs, including Comcast, and the project hopes to add more ISPs. Better data and collection methodologies are needed to inform the industry, the network research community, and policy discussions about appropriate technical and business approaches to traffic management. | |
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Detailed traffic data will be collected from ISPs over time, enabling researchers to formulate empirically valid characterizations of both aggregate traffic patterns, as well as a traffic profile for the average users. It is important to note that no personally identifiable information about any participating ISPs' users will be used in this project. |
Detailed traffic data will be collected from ISPs over time, enabling researchers to formulate empirically valid characterizations of both aggregate traffic patterns, as well as a traffic profile for the average users. It is important to note that no personally identifiable information about any participating ISPs' users will be used in this project. | |
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More information about the MITAS research project can be found at the MITAS website, at http://mitas.csail.mit.edu. |
More information about the MITAS research project can be found at the MITAS website, at http://mitas.csail.mit.edu. | |
Service Notice Trial Begins |
Service Notice Trial Begins | |
| Thursday, October 8, 2009 | Thursday, October 8, 2009 | |
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Today we announced our new Constant GuardTM security program. We are also testing a feature of Constant GuardTM called a ?Service Notice,? designed to send customers a message when we believe their computer has been infected with a virus or other malware. For additional information, please visit our blog post on this subject. |
Today we announced our new Constant GuardTM security program. We are also testing a feature of Constant GuardTM called a "Service Notice," designed to send customers a message when we believe their computer has been infected with a virus or other malware. For additional information, please visit our blog post on this subject. | |
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Prior to the start of this trial, we developed the a draft document with the Internet Engineering Task Force (IETF) regarding remediation of malicious bots, available for review and comment by the Internet community at http://tools.ietf.org/html/draft-oreirdan-mody-bot-remediation. In addition, for the same purposes, we have developed a draft document with the IETF which describes in detail how the Service Notice system works, available at http://www.ietf.org/id/draft-livingood-web-notification-00.txt. |
Prior to the start of this trial, we developed the a draft document with the Internet Engineering Task Force (IETF) regarding remediation of malicious bots, available for review and comment by the Internet community at http://tools.ietf.org/html/draft-oreirdan-mody-bot-remediation. In addition, for the same purposes, we have developed a draft document with the IETF which describes in detail how the Service Notice system works, available at http://www.ietf.org/id/draft-livingood-web-notification-00.txt. | |
Domain Helper National Rollout Begins |
Domain Helper National Rollout Begins | |
| Tuesday, August 4, 2009 | Tuesday, August 4, 2009 | |
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In July 2009, we announced our market trial of our new Domain Helper service, designed to help customers find Web sites they want when they mistype an address in the web browser's address bar. Based on the success of the market trial, we have decided to roll out the service to our entire network. Customers will receive an email explaining the service and how to opt-out shortly, but can certainly opt-out now as well. Please note that customers with statically-configured Comcast DNS servers are opted-out by default. |
In July 2009, we announced our market trial of our new Domain Helper service, designed to help customers find Web sites they want when they mistype an address in the web browser's address bar. Based on the success of the market trial, we have decided to roll out the service to our entire network. Customers will receive an email explaining the service and how to opt-out shortly, but can certainly opt-out now as well. Please note that customers with statically-configured Comcast DNS servers are opted-out by default. | |
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For additional information, feel free to visit our original blog post or our most recent blog post this subject. To find out how Domain Helper works, please click here. |
For additional information, feel free to visit our original blog post or our most recent blog post this subject. To find out how Domain Helper works, please click here. | |
Domain Helper Market Tests Begin |
Domain Helper Market Tests Begin | |
| Thursday, July 9, 2009 | Thursday, July 9, 2009 | |
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At Comcast, we are constantly looking to deliver a better high-speed Internet and online search experience. That is why we have begun market testing Domain Helper in selected areas to help customers find the Web sites they want when they mistype a Web address name in a Web browser?s address bar. Those market areas are: Arizona, Colorado, New Mexico, Oregon, Texas, Utah, and Washington. |
At Comcast, we are constantly looking to deliver a better high-speed Internet and online search experience. That is why we have begun market testing Domain Helper in selected areas to help customers find the Web sites they want when they mistype a Web address name in a Web browser?s address bar. Those market areas are: Arizona, Colorado, New Mexico, Oregon, Texas, Utah, and Washington. | |
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Some customers will not want the assistance of Domain Helper, so there is an easy way to opt-out of this when you receive the suggestion Web page (or by visiting the opt-out page now -- note also that customers with statically-configured Comcast DNS servers are opted-out by default). We have also developed the first draft of a new best practices document with the IETF regarding these types of services, available for Internet community review and comment at http://tools.ietf.org/html/draft-livingood-dns-redirect-00. |
Some customers will not want the assistance of Domain Helper, so there is an easy way to opt-out of this when you receive the suggestion Web page (or by visiting the opt-out page now -- note also that customers with statically-configured Comcast DNS servers are opted-out by default). We have also developed the first draft of a new best practices document with the IETF regarding these types of services, available for Internet community review and comment at http://tools.ietf.org/html/draft-livingood-dns-redirect-00. | |
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We hope our customers find this to be a valuable tool. For additional information, feel free to visit our blog post on this subject. |
We hope our customers find this to be a valuable tool. For additional information, feel free to visit our blog post on this subject. | |
Network Management Update |
Network Management Update | |
| Monday, January 5, 2009 | Monday, January 5, 2009 | |
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In March 2008, we announced that by the end of the year Comcast would switch to a new network management technique for managing congestion on Comcast's broadband network. Effective December 31, 2008, we have completed this transition, which is now part of our daily business operations for managing congestion on our network. The approach is designed to ensure, to the greatest extent possible, that all of our high-speed Internet customers have fair and equal access to the Internet and to bandwidth resources. |
In March 2008, we announced that by the end of the year Comcast would switch to a new network management technique for managing congestion on Comcast's broadband network. Effective December 31, 2008, we have completed this transition, which is now part of our daily business operations for managing congestion on our network. The approach is designed to ensure, to the greatest extent possible, that all of our high-speed Internet customers have fair and equal access to the Internet and to bandwidth resources. | |
| On these Web pages, we have provided information and FAQs about congestion management and we have posted copies of the documents we filed with the FCC that also describe it in great detail. Please read more about network management or read some FAQs. | On these Web pages, we have provided information and FAQs about congestion management and we have posted copies of the documents we filed with the FCC that also describe it in great detail. Please read more about network management or read some FAQs. | |
| View full article. | View full article. | |
Additional FAQs Posted on Security-Related Port Blocks |
Additional FAQs Posted on Security-Related Port Blocks | |
| Tuesday, November 11, 2008 | Tuesday, November 11, 2008 | |
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As part of continuing efforts to increase our transparency on our network management methods, we have updated and expanded our FAQs. We have recently published a new FAQ regarding the network ports which are blocked for security reasons, in order to protect our customers. It is available at here in our FAQs. |
As part of continuing efforts to increase our transparency on our network management methods, we have updated and expanded our FAQs. We have recently published a new FAQ regarding the network ports which are blocked for security reasons, in order to protect our customers. It is available at here in our FAQs. | |
Network Management Update |
Network Management Update | |
| Friday, November 7, 2008 | Friday, November 7, 2008 | |
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Comcast is pleased to announce that we have successfully completed the trial of our new network management technique. We are now following through on our commitment to implement this new technique for managing network congestion across all areas of the country by the end of this year. |
Comcast is pleased to announce that we have successfully completed the trial of our new network management technique. We are now following through on our commitment to implement this new technique for managing network congestion across all areas of the country by the end of this year. | |
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We will gradually transition to the new technique over the next few months and will conclude no later than December 31, 2008. The new technique is currently being used in the following areas: Minnesota, Indianapolis and Muncie, IN, Paducah, KY. Please click here to check for updates on the status of the transition to the new technique. |
We will gradually transition to the new technique over the next few months and will conclude no later than December 31, 2008. The new technique is currently being used in the following areas: Minnesota, Indianapolis and Muncie, IN, Paducah, KY. Please click here to check for updates on the status of the transition to the new technique. | |
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More questions? View our Network Management FAQs |
More questions? View our Network Management FAQs | |
IETF 73 |
IETF 73 | |
| Tuesday, November 4, 2008 | Tuesday, November 4, 2008 | |
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IETF 73 will include P2P and network management-related topics, as a follow-up to the 72nd IETF meeting in July, 2008. The 73rd IETF meeting will take place in Minneapolis in November. We anticipate participating in a variety of working groups relevant to this topic, including Techniques for Advanced Networking Applications(TANA) and Application-Layer Traffic Optimization (ALTO) Birds of a Feather (BoF) meetings. In preparation for the ALTO BoF, where P4P-like mechanisms are being discussed, we have submitted in Internet Draft describing our recent P4P technical trial results, which is available here. |
IETF 73 will include P2P and network management-related topics, as a follow-up to the 72nd IETF meeting in July, 2008. The 73rd IETF meeting will take place in Minneapolis in November. We anticipate participating in a variety of working groups relevant to this topic, including Techniques for Advanced Networking Applications(TANA) and Application-Layer Traffic Optimization (ALTO) Birds of a Feather (BoF) meetings. In preparation for the ALTO BoF, where P4P-like mechanisms are being discussed, we have submitted in Internet Draft describing our recent P4P technical trial results, which is available here. | |
Network Management Update |
Network Management Update | |
| Friday, September 19, 2008 | Friday, September 19, 2008 | |
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Today, Comcast provided additional information to the FCC about how we manage congestion on our network, including detailed information about the future congestion management techniques we announced in March. More information and copies of these filings are posted here. |
Today, Comcast provided additional information to the FCC about how we manage congestion on our network, including detailed information about the future congestion management techniques we announced in March. More information and copies of these filings are posted here. | |
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View full article. |
View full article. | |
Network Management Trial Expansion |
Network Management Trial Expansion | |
| Thursday, July 31, 2008 | Thursday, July 31, 2008 | |
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We are expanding our previously announced network management trial to the areas of Colorado Springs, CO, East Orange, FL, and Lake City, FL. We expect to continue these trials for at least 30 days as we evolve the new protocol-agnostic network management technique. |
We are expanding our previously announced network management trial to the areas of Colorado Springs, CO, East Orange, FL, and Lake City, FL. We expect to continue these trials for at least 30 days as we evolve the new protocol-agnostic network management technique. | |
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View full article. |
View full article. | |
IETF 72 |
IETF 72 | |
| Monday, July 21, 2008 | Monday, July 21, 2008 | |
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IETF 72 will include P2P and network management-related topics, as a follow-up to the IETF P2PI Workshop in May. The 72nd IETF meeting will take place next week in Dublin, Ireland. While some of this follow-up work will occur in regular IETF workgroup groups, most of it will take place in the Techniques for Advanced Networking Applications (TANA) and Application-Layer Traffic Optimization (ALTO) Birds of a Feather (BoF) meetings. Comcast is participating in IETF 72. |
IETF 72 will include P2P and network management-related topics, as a follow-up to the IETF P2PI Workshop in May. The 72nd IETF meeting will take place next week in Dublin, Ireland. While some of this follow-up work will occur in regular IETF workgroup groups, most of it will take place in the Techniques for Advanced Networking Applications (TANA) and Application-Layer Traffic Optimization (ALTO) Birds of a Feather (BoF) meetings. Comcast is participating in IETF 72. | |
Network Management Trial Update |
Network Management Trial Update | |
| Monday, June 2, 2008 | Monday, June 2, 2008 | |
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The company announced in March 2008 that it will switch to a new network management technique by the end of the year for managing bandwidth use and congestion. The new network management technique is designed to ensure, to the greatest extent possible, that all Comcast High-Speed Internet customers have fair and equal access to the Internet and to bandwidth resources. |
The company announced in March 2008 that it will switch to a new network management technique by the end of the year for managing bandwidth use and congestion. The new network management technique is designed to ensure, to the greatest extent possible, that all Comcast High-Speed Internet customers have fair and equal access to the Internet and to bandwidth resources. | |
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View full article on the trial, or see details of how the technique works. |
View full article on the trial, or see details of how the technique works. | |
Top 5 FAQs |
Top 5 FAQs | |
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Why does Comcast manage its network? |
Why does Comcast manage its network? | |
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What does Comcast mean when it says it manages its network? |
What does Comcast mean when it says it manages its network? | |
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How does Comcast manage its network? |
How does Comcast manage its network? | |
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Does Comcast block peer-to-peer ("P2P") traffic or applications like BitTorrent, Gnutella, or others? |
Does Comcast block peer-to-peer ("P2P") traffic or applications like BitTorrent, Gnutella, or others? | |
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Does Comcast discriminate against particular types of online content? |
Does Comcast discriminate against particular types of online content? | |
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View all related FAQs |
View all related FAQs | |
Downloads |
Downloads | |
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IETF Draft - Service Notifications |
IETF Draft - Service Notifications | |
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IETF Draft - Bot Remediation |
IETF Draft - Bot Remediation | |
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IETF Draft - DNS Redirect |
IETF Draft - DNS Redirect | |
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IETF Draft - Congestion Management |
IETF Draft - Congestion Management | |
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FCC Response Letter |
FCC Response Letter | |
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FCC Transition Letter |
FCC Transition Letter | |
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RFC 5632 P4P Trial Results |
RFC 5632 P4P Trial Results | |
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FCC Cover Letter |
FCC Cover Letter | |
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FCC Compliance Plan |
FCC Compliance Plan | |
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FCC New Network Management Technique |
FCC New Network Management Technique | |
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FCC Current Network Management Technique |
FCC Current Network Management Technique | |
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IETF 72 - TANA BoF Slides |
IETF 72 - TANA BoF Slides | |
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IETF P2PI Workshop Slides |
IETF P2PI Workshop Slides | |
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IETF P2PI Position Paper |
IETF P2PI Position Paper | |
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View all downloads |
View all downloads | |
Press Releases |
Press Releases | |
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Comcast and Vonage to Collaborate |
Comcast and Vonage to Collaborate | |
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Comcast and Pando Networks to Collaborate |
Comcast and Pando Networks to Collaborate | |
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Comcast and BitTorrent to Collaborate |
Comcast and BitTorrent to Collaborate | |
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View all press releases |
View all press releases | |
Related Links |
Related Links | |
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Internet Engineering Task Force (IETF) |
Internet Engineering Task Force (IETF) | |
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P4P Working Group |
P4P Working Group | |
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Distributed Computing Industry Association (DCIA) |
Distributed Computing Industry Association (DCIA) | |
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Messaging Anti-Abuse Working Group (MAAWG) |
Messaging Anti-Abuse Working Group (MAAWG) | |
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250GB Policy |
250GB Policy | |