青春期对异性产生好感:P2PSIP Use Cases

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P2PSIP Use Case Attributes

Information collected by Spencer Dawkins, Ed.

(from draft-bryan-sipping-p2p-usecases-00)

Use Case
 Number of Users *
 Distribution of Nodes
 Pure P2P?
 Centralized Operations/
Management
 Authenticated Users
 Carrier-Class Robustness
 Interaction with CS-SIP
 DNS available
Public P2P VoIP Service Providers
 millions
 intra-domain
 hybrid
 yes
 yes
 yes
 yes
 yes
 Open Global P2P VoIP Network millions
 inter-domain
 bybrid no
 no
 yes
 yes
 yes
 Presence Using Multimedia Consumer Electronics Devices tens
 intra-domain
 P2P
 no
 no
 no
 no
 yes
 Impeded Access hundreds
 inter-domain P2P
 no
 no
 no
 no
 yes
 Anonymous Communications tens
 inter-domain
 P2P
 no
 no
 no
 no
 no
 Security Conscious Small Organizations hundreds
 intra-domain
 P2P
 maybe
 yes
 yes
 no
 yes
 Ad-Hoc and Ephemeral Groups tens
 intra-domain P2P
 no
 no
 no
 no
 no
 Emergency First Responder Networks thousands
 intra-domain P2P
 no
 self-cert?
 no
 when available
 no
 Extending the Reach of Mobile Devices hundreds
 intra-domain P2P
 no
 no
 no
 no
 no
 Deployments in the Developing World tens
 inter-domain P2P
 no
 no
 no
 when available
 no
 Serverless or Small Scale IP-PBX tens
 intra-domain P2P
 maybe
 self-cert?
 no
 yes
 yes
 P2P for Redundant SIP Proxies tens
 intra-domain P2P
 yes
 yes
 yes
 no
 yes
 Failover for Centralized Systems tens
 intra-domain P2P
 yes
 yes
 yes
 yes
 yes

* "Number of Users" may not be "number of peers" in hybrid-P2P overlays.

Notes:

  • We expect the Use Cases draft to be revised in the near future (00 has expired).
  • We expect "Presence Using Multimedia Consumer Electronics Devices" to split into a PAN-scale overlay case and a WAN-scale overlay case. This table will be adjusted when the description is available.
  • "Authenticated Users" and "Carrier-Grade Robustness" are conflated in the current draft, and may be discussed separately in the revised draft.
  • "Distribution of Nodes" in this table is probably conflating link-layer broadcast and IP-level multicast, but we‘re ignoring this for now.
  • We may also need a "DHCP" column in this table - whether DHCP for additional dynamic configuration is available - but we‘re ignoring this for now.

Back to IETF work page

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