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soc:nikhil:under_construction [2006/06/13 23:15]
nikhilcrao
soc:nikhil:under_construction [2006/06/13 23:54]
nikhilcrao
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 ===== About the project ===== ===== About the project =====
 +My project is titled Implementing IPv6 support in gPXE. Here are some snippets from [[soc:​nikhil:​proposal|my proposal]].
  
 ==== Synopsis ==== ==== Synopsis ====
 +gPXE uses uIP to implement its TCP/IP stack. uIP is an implementation of the TCP/IP stack which uses a fraction of the resources used by a full fledged TCP/IP implementation.
 +
 +The project is to implement support for IPv6. uIP (in its current avatar) tightly integrates the TCP and IP layers in order to save code size. As a result, it is not easy to replace IPv4 with any other network layer protocol in uIP. This project aims to re-design the TCP/IP stack of gPXE in order to facilitate IPv6 implementation.
  
 ==== Deliverables ==== ==== Deliverables ====
 +The final deliverables for the project are:
 +  - A clean, well-defined interface between the transport-layer and network-layer. The interface would be generic enough to allow any transport layer protocol to interact with any network layer protocol
 +  - Re-design and implementation of the TCP/IP stack using the proposed interface (which fits within the gPXE API)
 +  - Minimal support for IPv6
 +
 +The stretch goals for the project are:
 +  - Extension of the gPXE API to include UDP
 +  - An implementation of UDP/IP (within the extended gPXE API)
 +  - Support for additional features in IPv6
  
 ==== Plan of action ==== ==== Plan of action ====
 +
 +Main goals:
 +  - <​del>​Investigate the working of uIP</​del>​
 +  - <​del>​Define bare necessary requirements of transport layer and network layer</​del>​
 +  - <​del>​Define the interface between these layers based on the requirements</​del>​
 +  - Implement the TCP, IP modules using the interface
 +  - Test implementation;​ Re-implement if necessary
 +  - Increase requirements if necessary and go back to step 2
 +  - Investigate minimum requirements to support IPv6
 +  - Extend interface/​requirements if necessary and go back to step 2
 +  - Implement IPv6
 +  - If time permits, implement stretch goals
 +
 +
 +Stretch goals:
 +  - Investigate UDP implementation in Etherboot-5.4 and earlier
 +  - Extend interface/​requirements if necessary and perform steps 2 - 5
 +  - Implement UDP support
 +  - Investigate various features that can be added to IPv6
 +  - Perform steps 7 - 8
  
 ===== Current status ===== ===== Current status =====
 +
 +I have tried to update my blog ss frequently as possible with my thoughts. I have listed below my understanding of the problem.
  
 ==== Working of the network infrastructure ==== ==== Working of the network infrastructure ====
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 === Sending data === === Sending data ===
  
-=== How protocols are supported ​===+=== So, what's wrong? ​===
  
 ==== Redesigning the IP layer ==== ==== Redesigning the IP layer ====
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 ===== The road ahead ===== ===== The road ahead =====
- 
-==== To do list ==== 
  
 ==== Ideas and concepts ==== ==== Ideas and concepts ====
 +
 +==== To do list ====
  
 ===== Resources ===== ===== Resources =====

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