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CrowdDirector Specification

CrowdDirector, providing Content Delivery Load Balancing-as-a-Service, provides content publishers with the following capabilities:

Features

Description

Network Resource Management

 Multiple types of resources are configurable: CDNs, servers, cloud servers/storage
  • Interoperability
 CrowdDirector is interoperable with multiple CDNs, cloud providers
  • Maximum number of resources
 Unlimited
  • Active network resource health checking
 Either HTTP based or SNMP polling is used to monitor the health of the network resource
Load Balancing  
  • Rule Sets
 Multiple rule sets can be created per CNAME, each with at least one default rule containing one action.
  • DNS and HTTP redirection
 Both HTTP and DNS based redirection methods supporting IPv4 and IPv6 protocols.
  • Performance Rules
 Rules based on performance parameters such as system latency, network resource health, capacity, and ASN
  • Business Rules
 Rules based on geography, time/day, URL matches, and IP
Actions  
  • Delivery from resource
 Simplest action routing requests to single resource
  • Delivery evenly over network
 Redirects requests evenly across a set of specified resources
  • Weighted Delivery
 Distributes requests across a set of weighted resources
  • Auto-weighted Delivery
 Enables redirects to be automatically balanced across resources in order to maintain a specfic level of performance. Weights are re-adjusted across network resources based on monitored performance.
  • Failover
 If any of the monitored resources have failed a failover action is performed

Statistics

 Parameters displayed
  • HTTP Re-directs
 Total hits, hits by network/rule/Geography /ASN/rule and browser
  • DNS re-direct
 Total hits, and hits by network, rule, geography, and ASN
  • Network monitoring
 Monitoring the health of network resource (CDNs, servers, etc)
  Number of DNS lookups per network
  Time to connect to network
  Overall speed
  Event log
  Time to obtain first byte

Diverse content re-direction

  
  • Video re-direction
 Using DNS redirection, RTMP, Silverlight, windows media, iPhone, and other types of streaming are supported
  • Software distribution
 Using the rules engine, and either http or DNs, content publishers are able to distribute software to users with the lowest latencies possible.
  • Static content re-direction
 Whether it’s a simple web page or a dynamic web page using php, ruby etc, CrowdDirector will redirect the request to the right server with out affecting the service.

Interoperable Distributed Delivery Platform

 Using Anycast and servers are located worldwide ensuring the lowest latency to service a request.

Protocols Supported

 FTP, ICMP, HTTP/HTTPS, TCP, and others

Scalability and Performance

  
  • Maximum number of re-directions
 Unlimited - As a service CrowdDirector will scale to meet the needs of any individual customer
  • Req/sec
 Unlimited – As a service CrowdDirector will scale to meet the needs of any individual customer

Administrative

  
  • Manage users
 Add/edit/remove users with normal and administrative privileges
  • billing
 View your 3crowd charges