Packetized content delivery apparatus and methods
View Patent ↗Apparatus and methods for managing content delivery in a packetized network. The network provide content to a plurality of clients via a plurality of nodes. A security threat associated with one of the nodes is detected and in response the host uses border gateway protocol to communicate non-forwarding table information informing one or more nodes of the network of the threat. In another variant, communication allows the nodes to take local action to protect themselves. This same local action occurs on the host, allowing it to continue serving content. The host utilizes BGP to dynamically inform nodes of changes in the network traffic delivery rules, such as causing traffic to different clients having different levels of reliability and/or provided on a best-effort basis. The BGP may be utilized to add/remove routes or nodes and to identify and respond to potentially malicious activities, changes in network configuration, and/or delivery requirements.
1. A computerized method of automatically and dynamically configuring a plurality of nodes providing digital content in a packet-enabled network, said computerized method comprising:
associating said digital content to an address within said packet-enabled network;
assigning said address associated with said digital content to two or more nodes of said network, individual ones of said two or more nodes configured to deliver said digital content to a computerized client device of said packet-enabled network;
advertising two or more data network routes, individual ones of said two or more data network routes being characterized by said address, said advertising enabling said computerized client device to access said digital content;
based at least in part on selecting an individual one of said two or more data network routes, causing delivery, via a delivery cache, of said digital content to said computerized client device by an individual one of said two or more nodes corresponding to said selected individual one of said two or more data network routes; and
based at least in part on determining a condition associated with said individual one of said two or more nodes, distributing non-forwarding table information, said distributing comprising modifying a configuration related to said selected individual one of said two or more data network routes, said modifying comprising a discontinuation of use of said individual one of said two or more nodes;
wherein said delivery to said computerized client device comprises at least one content backfill operation performed between a first tier cache and said delivery cache.
2. The computerized method of claim 1 , wherein said determining of said condition comprises identifying a data security threat to said packet-enabled network.
3. The computerized method of claim 2 , wherein said data security threat comprises a denial of service attack configured to render at least one of said two or more nodes unavailable to computerized client devices of said packet-enabled network.
4. The computerized method of claim 1 , further comprising dynamically modifying a configuration related to said two or more nodes of said packet-enabled network, said dynamically modifying based at least in part on a content delivery rule associated with said packet-enabled network.
5. The computerized method of claim 4 , wherein:
said content delivery rule is configured to enable reliable delivery of said digital content to said computerized client device, said reliable delivery characterized by a guaranteed quality of service level; and wherein said computerized method further comprises, when said guaranteed quality of service level is not supported by a first one of said two or more nodes, said content delivery rule triggering delivery of said digital content to said computerized client device via a second one of said two or more nodes.
6. The computerized method of claim 4 , wherein said content delivery rule is configured to cause delivery of said digital content to said computerized client device on a best effort basis, and said individual one of said two or more nodes is configured to provide reliable delivery of said digital content to a second computerized client device, said reliable delivery characterized by a guaranteed quality of service level.
7. The computerized method of claim 1 , wherein said modifying comprises causing said computerized client device to request said digital content from a second one of said two or more nodes.
8. The computerized method of claim 1 , wherein said selecting said individual one of said two or more data network routes comprises selecting at least in accordance with a routing rule, said routing rule being based at least in part on one or more of: (i) node load, (ii) route available bandwidth, and/or (iii) service level associated with said computerized client device.
9. The computerized method of claim 1 , wherein said selecting said individual one of said two or more data network routes is conducted at least in accordance with a routing rule, said routing rule configured based at least in part on one or more of: (i) content encoding rate, (ii) client device type, and/or (iii) bandwidth of a connection to said computerized client device.
10. The computerized method of claim 1 , wherein:
said associating said digital content with said address is based at least in part on distributing a list of valid data network addresses to said computerized client device based on an authentication of said computerized client device to said packet-enabled network;
said packet-enabled network is configured to deliver said digital content over an Internet Protocol television (IPTV) service; and
said digital content comprises one or more of a video on demand (VOD) content and/or linear content.
11. A computerized method of dynamically configuring a plurality of nodes providing digital content in a packet-enabled network, said method comprising:
assigning an address within said packet-enabled network to said digital content, said assigning said address within said packet-enabled network to said digital content based at least in part on a distribution of a list of valid addresses to a computerized client device based on an authentication of said computerized client device to said packet-enabled network;
assigning to two or more nodes of said packet-enabled network said address assigned to said digital content, individual ones of said two or more nodes configured to deliver said digital content to said computerized client device of said packet-enabled network;
advertising two or more network routes associated with said two or more nodes, individual ones of said two or more network routes being characterized by said address;
based at least in part on determining a condition associated with an individual one of said two or more nodes, dynamically modifying a network configuration, said modifying comprising withdrawing said individual one of said two or more network routes from a list of active routes; and
advertising said modified network configuration via a computerized advertisement message.
12. The computerized method of claim 11 , wherein said determining said condition comprises identifying an electronically initiated security threat to said packet-enabled network.
13. The computerized method of claim 12 , wherein said security threat comprises a denial of service attack configured to render at least one of said two or more nodes unavailable to computerized client devices of said network.
14. The computerized method of claim 11 , further comprising dynamically modifying a configuration related to said two or more nodes of said packet-enabled network, said dynamically modifying based at least in part on a content delivery rule associated with said packet-enabled network.
15. The computerized method of claim 14 , wherein:
said content delivery rule is configured to enable reliable delivery of said digital content to said computerized client device, said reliable delivery characterized by a guaranteed quality of service level; and wherein said computerized method further comprises, when said guaranteed quality of service level is not met for a first one of said two or more nodes, said content delivery rule triggering delivery of said digital content to said computerized client device via a second one of said two or more nodes.
16. The computerized method of claim 14 , wherein said content delivery rule is configured to cause delivery of said digital content to said computerized client device on a best effort basis, and said individual one of said two or more nodes is configured to provide reliable delivery of said digital content to a second computerized client device, said reliable delivery characterized by a guaranteed quality of service level.
17. The computerized method of claim 11 , wherein said modifying further comprises:
causing said computerized client device to request said digital content from a second one of said two or more nodes.
18. The computerized method of claim 11 , wherein:
said packet-enabled network is configured to deliver said digital content over an Internet Protocol television (IPTV) service; and
said digital content comprises one or more of a video on demand (VOD) content and/or linear content.
19. A computerized method of dynamically configuring a plurality of nodes providing digital content in a network, said method comprising:
assigning an address within said network to said digital content, said digital content comprising one or more of video on demand (VOD) content and/or linear content;
assigning to two or more nodes of said network said address assigned to said digital content, individual ones of said two or more nodes configured to deliver said digital content to a computerized client device of said network over an Internet Protocol-based service;
advertising, via a computerized process, two or more routes associated with said two or more nodes, individual ones of said two or more routes being characterized by said address, said advertising enabling said computerized client device to access said digital content;
based at least in part on a selection of an individual one of said two or more routes, causing delivery of said digital content to said computerized client device by an individual one of said two or more nodes corresponding to said selected individual one of said two or more routes;
during delivery of said digital content to said computerized client device by said individual one of said two or more nodes, dynamically modifying a configuration related to said selected individual one of said two or more routes, said modifying causing cessation of content delivery by said individual one of said two or more nodes; and
upon said cessation of content delivery by said individual one of said two or more nodes, and based at least in part on a content delivery rule associated with said individual one of said two or more nodes, causing delivery of said digital content to said computerized client device by a second one of said two or more nodes;
wherein said assigned address and said selection cooperate to allow advertisement of said digital content to at least said computerized client device to be decoupled from said selected individual one of said two or more routes.
20. The computerized method of claim 19 , wherein said content delivery rule is configured to enable reliable delivery of said digital content to said computerized client device, said reliable delivery characterized by a guaranteed quality of service level; and wherein said computerized method further comprises, when said guaranteed quality of service level is not met for said individual one of said two or more nodes, triggering delivery of said digital content to said computerized client device via said second one of said two or more nodes.
21. The computerized method of claim 19 , wherein said decoupling of said advertisement of said digital content to at least said computerized client device from said selected individual one of said two or more routes is configured to obviate use of a central control plane for said advertisement.