1. P2P in Windows 7

2. P2P Capabilities in Windows 7 Distributed Routing Table Distributed Routing Table – A new public API suitable for building Distributed Hash Tables (DHTs), content distribution networks, serverless name resolution and more! – DHTs are used to build storage systems that are distributed, scalable and highly available. – Designed for Internet-wide scale BranchCache BranchCache – Accelerating enterprise content delivery – Load reduction on corporate servers – Bandwidth savings for branch office WAN links

3. DISTRIBUTED ROUTING TABLE

4. The Distributed Routing Table Key based routing in a structured peer-to-peer overlay A new public API suitable for building Distributed Hash Tables (DHTs), content distribution networks, serverless name resolution and more! Designed and tested for internet scale. Powerful, flexible security model supports private meshes and key/participant authentication. Lookup (6801) Try (7879) 9043 7879 6801 6011 5231 4562 3107 837 1143 Lookup (6801) Try (6801) Lookup (6801) Found (6801)

5. BRANCHCACHE

6. Thin, expensive WAN links between headquarters and branches High bandwidth utilization Poor application responsiveness Data centralization worsens the problem Background

7. Get ID Get Data Distributed Caching Get ID Data

8. Get ID Put Data Hosted Caching Get Data ID Search Get Search Request Offer ID Data ID Data

9. Architecture HTTP server IIS Branch Cache Branch Cache HTTP client Open URL Branch Cache Capable Get data Data H1H2H4H5Hashlist Data H3 Branch Cache Branch Cache IE

10. Framework IE HTTP BranchCache SMB Explorer 3 rd Party Applications CopyFile Office WMP BITS Office SharePoint

11. BranchCache summary Retrieve content from within the branch if available, instead of the content server Supports commonly used protocols – HTTP, SMB (including SMB signing) – HTTPS, IPsec Client can only retrieve from within the branch if authorized by the server

12. BACKUP

13. IIS File Server Group Policy Management Install the optional BranchCache component on a Windows 7 web or file server Use Group Policy to enable BranchCache on Windows 7 clients Hosted Cache Optionally, install a hosted cache in your branch. Configure clients to use it via Group Policy Deployment